JPH08339370A - Method and device for document display - Google Patents

Abstract

PURPOSE: To provide a method and device for document display which enable a generator to use a document editor provided with functions and a user interface, which he desires, at the time of documentation and display the document in a form independent of the document architecture and the document class for documentation at the time of referring to the logical structure. CONSTITUTION: A user 3 uses an input/output device 2 to not only input the logical structure data of a reference object but also indicate the document class as a restriction, which the logical structure of a document for documentation should meet, and the document schema corresponding to the document of the display object. A correspondence part 14 uses the document class in a document class holding part 12, the indicated document schema in a document schema holding part 11, and a correspondece rule in a correspondence rule holding part 13 corresponding to the document class and the document schema to convert the logical structure of the document of the reference object and allows the logical structure after conversion and contents to correspond to each other. A logical structure display part 15 presents the converted logical structure and corresponding contents to the user 3 through the input/output device 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document display device for displaying a structured document having a logical structure together with the contents of the document.

[0002]

2. Description of the Related Art An electronic document having not only contents but also a logical structure (logical structure), that is, a structured document is widely created on a computer by a word processor or the like. A structured document is a data format (document architecture) that can be interpreted by the document editor used at the time of creation.
It is generally stored on a computer in. The document architecture is a framework for expressing the logical structure of documents belonging to each type of document to be handled,
That is, it has a document class. For example, in a document architecture that is supposed to handle diaries and papers, a document class for diaries and a document class for papers are prepared. This document class may be provided in advance by the document editor, or may be defined later by the document creator.

In an environment in which such a structured document is created using a plurality of document editors, there is a case where it is desired to later refer to the logical structure of the created document. For example,
In an organization in which an organization's diary is created by members in a rotating manner, this is the case when collectively referring to the logical structure of the diary created by each member.

As a method of supporting a referrer (hereinafter, simply referred to as a referer) of the logical structure of a document in such a case,
A device for displaying the logical structure of a structured document to an operator has been conventionally used.

For example, in the "document logical structure editing device" described in Japanese Patent Laid-Open No. 2-24761, the logical structure in the expressed logical structure is edited while the structured document having the logical structure and contents is being edited. If you want to emphasize the relationship between elements and logical components, by instructing the conditions and the method of emphasis to identify the object to be emphasized by the reference person,
The editing device automatically identifies the object to be highlighted and highlights it in the specified method. This supports the referrer's logical structure reference.

Further, in the "Distribution processing device of document logical structure" disclosed in Japanese Patent Laid-Open No. 4-248640, a logical structure of a document is created as a structural medium that does not depend on a specific model, and this is held by a server. The client can refer to the structured media based on this. By using this device, each member can use the document editor that supports the expression format of the structured media to perform the reference work.

By the way, the function of the document editor and the user interface required by the document creators in the organization as mentioned in the above-mentioned example of the reference work generally differ depending on the circumstances of each creator. Therefore, each creator individually decides and uses the document editor that best satisfies his or her request. On the other hand, since each document editor can usually interpret only one document architecture, it is difficult for all creators to use a document editor that supports a common document architecture.

Further, even if the document architectures are unified, a common document class is not always provided among the document editors used by the creators. In such a situation, it is very difficult for each creator to create a document based on a common document architecture and document class.

In such a situation, the above-mentioned Japanese Unexamined Patent Application Publication No.
"Document logical structure editing device" described in Japanese Patent Publication No. 24761.
By simply comparing the logical structure displays on the document logical structure editing device provided corresponding to individual document classes, the same or different semantic structure of the document logical structures corresponding to different document classes Work to judge the points
The referrer had to do it himself, and the referrer's burden was very heavy.

Further, in the "Distribution processing device of document logical structure" described in the above-mentioned Japanese Patent Laid-Open No. 4-248640, all of various document creation support functions and user interfaces required by each creator on the document editor. Is very difficult to achieve. For this reason, by simply using this device, even if a document editor having a document creation function or user interface required by a certain author already exists, the document creator does not necessarily have a document with only the function or user interface that he / she does not want. Sometimes I was forced to create it, and I was unable to use the functions and user interfaces that I needed.

As described above, when referring to a logical structure created based on a different document architecture or document class, conventionally, one of the above-mentioned two methods must be selected, and each method corresponds to the other method. There was a problem that we had to accept the disadvantages.

[0012]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and when creating individual documents,
While allowing the use of a document editor with the functions and user interface desired by the creator, when referencing the logical structure, it is possible to display in a form that does not depend on the document architecture or document class when the document to be displayed is created. It is an object of the present invention to provide a document display device and a document display method.

[0013]

According to a first aspect of the present invention, in a document display device, a document input means for inputting a structured document and a logical structure of the document input by the document input means are provided. A document class holding unit that holds a document class that is a constraint; a document schema holding unit that holds a document schema that is a logical structure constraint when displaying a document input by the document input unit; Rule holding means holding a correspondence rule between the document class held in the document class holding means and the document schema held in the document schema holding means, and the document of the document input by the document input means The document class held in the class holding means, the document schema held in the document schema holding means, and the correspondence rule held in the rule holding means Document conversion means for converting the document input by the document input means into a document to be displayed based on the above, and document display means for displaying the document converted by the document conversion means. is there.

According to a second aspect of the present invention, in the document display apparatus according to the first aspect, a database accumulating structured documents, and a search means for retrieving the documents accumulated in the database. The document input means further comprises: inputting the document retrieved by the retrieval means.

According to a third aspect of the invention, in the document display device, a database accumulating structured documents, a document input means for inputting the documents, and a document input means for inputting the documents. Document class holding means for holding a document class which is a constraint of logical structure, document schema holding means for holding a document schema which is a constraint of logical structure of documents stored in the database, and the document class Rule holding means holding a correspondence rule between the document class held in the holding means and the document schema held in the document schema holding means, and the document class holding of the document input to the document input means Correspondence held by the document class held by the means, document schema held by the document schema holding means, and the rule holding means Document conversion means for converting the document input by the document input means into a document to be stored in the database, storage means for storing the document converted by the document conversion means in the database, and storage means It is characterized by comprising a searching means for searching the documents stored by the database from the database and a document displaying means for displaying the documents searched by the searching means.

According to a fourth aspect of the invention, in the document display device according to the second or third aspect, the document display means is a logical structure display means for displaying a logical structure of the document searched by the search means. It is characterized by further comprising content display means for displaying the content of the document retrieved by the retrieval means.

According to a fifth aspect of the present invention, in the document display device according to the second or third aspect, the document display means is a logical structure display means for displaying a logical structure of the document searched by the search means. A logical structure selecting means for selecting an object which is a node of the logical structure displayed by the logical structure displaying means, and a content displaying means for displaying contents corresponding to the object of the logical structure selected by the logical structure selecting means It is characterized by having.

According to a sixth aspect of the present invention, in the document display device according to the second or third aspect, the document display means includes content display means for displaying the content of the document retrieved by the retrieval means, and A content selection means for selecting a part of the content displayed by the content display means, and a logical structure display means for displaying a logical structure corresponding to the content selected by the content selection means. is there.

According to the invention of claim 7, in the document display method, the document class which is the constraint of the logical structure of the document input in advance is held, and the constraint of the logical structure of the document stored in the database in advance is retained. The document schema is stored, and the correspondence rule between the document class and the document schema is stored in advance. The document class that is stored, the document schema that is stored, and the correspondence rule that is stored are input. The converted document is stored in a database, the converted document is stored in the database, the document stored in the database is searched, and the logical structure and contents of the searched document are displayed. To do.

According to the invention described in claim 8, in the document display method, the document class which is a constraint of the logical structure of the document stored in the database in advance is held, and
The document schema that is the constraint of the logical structure of the document to be displayed is stored in advance, and the correspondence rules between the document class and the document schema are also stored in advance. The input documents are stored in the database, and the stored documents are stored. And converts the retrieved document into a document to be displayed based on the retained document class, the retained document schema, and the retained correspondence rules, and the logical structure of the converted document and its contents Is displayed.

[0021]

According to the invention described in claim 1, a document class which is a constraint of a logical structure of an input document, a document schema which is a constraint of a logical structure when displaying a document, a document class and a document schema. The corresponding rules and are held. Then, when displaying the input document, the input document is converted into the logical structure of the document to be displayed based on the document class of the input document stored, the document schema, and the correspondence rule. And display it. In this way, when the logical structure of a document is displayed, it is converted into a logical structure corresponding to the display, so even if the documents have different document classes, the logical structure is displayed independently of the difference between the document classes. be able to.

For example, the document class depending on the computer environment used by each individual document creator and the document schema used by the reference person are independently provided, and the document class and the document schema are associated with each other. Providing scoring rules allows authors to create documents using a document editor with each desired function and user interface, while referents are independent of the document architecture and class of documents. Can refer to the logical structure.

According to the invention described in claims 2 and 8,
The documents of various document classes are stored in a database, and the documents retrieved from the database are stored in the database.
It can be an input document in the invention described in (1). Thereby, even if the document classes corresponding to the documents retrieved from the database are different from each other, the logical structure can be displayed independently of the difference in the document classes.

According to the inventions of claims 3 and 7,
Document class that is a constraint of the logical structure of the input document,
A document schema, which is a constraint on the logical structure of documents stored in the database, and a correspondence rule between the document class and the document schema are held. Then, when storing the input document in the database, the input document is converted into a document to be stored in the database based on the document class of the input document held, the document schema, and the correspondence rule. And store it in the database. In this way, when storing documents in the database, documents of different document classes are converted into the document structure to be stored in the database and stored. Therefore, when searching the database and displaying the logical structure of the searched document, since every document has a logical structure according to the document schema, the logical structure does not depend on the logical structure at the time of document creation. Can be displayed.

For example, a document creator can create a document by using an existing document editor having each desired function and user interface. Then, when the created document is stored in the database, the document is converted and stored. When referring to the logical structure, by giving a logical structure that satisfies the constraint of the document schema as a search condition for specifying the document to be referred, all the documents converted so as to satisfy the constraint of the document schema. Since the search can be performed with respect to the target, the desired logical structure can be surely referred to, and the work of searching for the document as the reference target is released. Therefore, the burden on the referrer is further reduced.

The document display means of the document display device according to the third aspect of the present invention is, for example, as in the invention according to the fourth aspect.
The configuration may include a logical structure display unit that displays the logical structure of the document searched by the search unit and a content display unit that displays the content of the document searched by the search unit. As a result, the content of the document can be displayed together with the logical structure of the retrieved document.

When the document display means of the document display device according to claim 3 is searched by the search means as in the invention according to claim 5 and the logical structure of the searched document is displayed. By selecting an object that is a node of the displayed logical structure, the contents corresponding to the object can be displayed. With this, it is possible to refer to the logical structure of the document, and to refer to the content of the required portion when needed.

Further, the document display means of the document display device according to the third aspect displays the content of the document retrieved by the retrieval means as in the invention according to the sixth aspect, and displays the content of the displayed content. By selecting a part, it can be configured to display the logical structure corresponding to the selected content. This allows the corresponding logical structure to be displayed from the content of the document when needed.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG.
It is a block diagram which shows the Example of. In the figure, 1 is a document display device, 2 is an input / output device, 3 is a referrer, 11 is a document schema holding unit, 12 is a document class holding unit, 13 is an association rule holding unit, 14 is an associating unit, and 15 is an association unit. It is a logical structure display section. The components used in this embodiment can be realized by using resources on a computer such as a personal computer and a workstation and peripheral devices.

The input / output device 2 receives an instruction for specifying the structured document to be referred from the reference person 3, acquires the logical structure data of the structured document, and outputs the data to the associating unit, and An output device that obtains data regarding the display of the logical structure from the logical structure display unit 15 and visualizes and displays the data. The input device can be easily realized by using, for example, a mouse, a keyboard and a computer program. The output device can be easily realized by using, for example, a display and a computer program for controlling the display.

The document display device 1 includes a document schema holding unit 1
1, document class holding unit 12, association rule holding unit 13,
The associating unit 14 and the logical structure display unit 15 are included.

The document schema holding unit 11 holds the document schema corresponding to the document to be displayed. The document schema describes constraints that the logical structure of the display target document must satisfy. For example, when a diary is to be displayed, the condition of the logical structure that the diary should hold is described in the document schema for the diary. The document schema holding unit 11 is realized in a storage area of a computer such as a memory or a magnetic disk.

As a specific example, it is assumed that the document schema holding unit 11 holds one document schema and has a name “document schema A”. FIG. 2 is an explanatory diagram of an example of the document schema. FIG. 2 shows the document schema “document schema A” held in the document schema holding unit 11. A document schema node is surrounded by a rectangle in FIG. 2, and means the type of an element (logical object) that appears in the document structure. In addition, the links connecting the document schema nodes and "OPT",
Symbols such as “REP”, “CHO”, and “SEQ” represent constraints on the tree structure that the logical structure can take.

The combination of symbols used in FIG. 2 will be described. The combination of "OPT" and "REP" is
It indicates that the element directly under the link should appear 0 times or more times arbitrarily, "SEQ" indicates that all the elements under the link should appear in the order shown, and "OPT",
The combination of "REP" and "CHO" indicates that any element immediately below the link should appear zero or more times any number of times. That is, it indicates that any element can be used as long as it is an element directly below the link. In the document schema shown in FIG. 2, a document is composed of zero or more arbitrary "SECTION", and each "SECTION" is "TITL".
"E" followed by "PARAGRAPH" or "FI
It expresses the constraint of the logical structure that any one of GURE "appears 0 times or more times any number of times.

The document class holding unit 12 holds the document class used as a constraint that the logical structure of the document should satisfy when the document to be displayed is created. The document class holding unit, like the document schema holding unit 11, is realized in the storage area of the computer.

As a specific example, it is assumed that there are two document classes held in the document class holding unit 12 and they have names "document class A" and "document class B", respectively. 3 and 4 are explanatory diagrams of an example of a document class. FIG. 3 shows the document class “document class A” held in the document class holding unit 12, and FIG. 4 also shows the document class “document class B”. Figure 3,
The notation for expressing the components in FIG. 4 is the same as the notation shown in FIG.

In the document class shown in FIG. 3, a document is made up of 0 or more "sects", and each "se
ct ”is an arbitrary number of 0 or more“ par ”,
It expresses the constraint of the logical structure that it is composed of zero or more "sects". Further, the document class shown in FIG. 4 has zero or more documents and an arbitrary number of "sec".
It is composed of t "and each" sect "is" ttl ".
And zero or more "par" s are present,
In addition, "figs" is selectively followed by "figs"
Represents a constraint of the logical structure that it is composed of one or more arbitrary numbers of "figs".

The associating rule storage unit 13 stores the logical structure of the document corresponding to the document class in the document class storage unit 12,
The correspondence rule, which is a rule for converting into a document logical structure corresponding to the document schema in the document schema holding unit 11, is held. The association rule holding unit 13 is realized in the storage area of the computer, like the document schema holding unit 11 and the document class holding unit 12.

The association rule can be configured to hold, for example, a list of association rules, an attribute “target document class”, and an attribute “target document schema”. The correspondence rule is expressed as a set of “rule No.”, “condition”, and “element type”. A positive number is given to "rule No.". The "condition" is given a predicate that returns a true or false value when the node of the document class specified by the value of the attribute "target document class" is given as an argument. The "element type" is given the name of the document schema node specified by the value of the attribute "target document schema". The value of the attribute “target document class” is given the name of the document class in the document class holding unit 12, and the value of the attribute “target document schema” is given to the document schema holding unit 1.
The name of the document schema in 1 is given.

As a concrete example of this embodiment, there are two association rules stored in the association rule storage unit 13, and they are named "association rule A" and "association rule B", respectively. To have.

5 and 6 are explanatory views of an example of the association rule. FIG. 5 shows the association rule “association rule A” stored in the association rule storage unit 13.
FIG. 6 also shows the association rule “association rule B”. 5 and 6, the correspondence rules are represented as rows in the tables shown in FIGS. 5A and 6A,
The attributes are expressed in the tables shown in FIG. 5 (B) and FIG. 6 (B).

The "association rule A" shown in FIG.
As indicated by the attribute value shown in (B), the "document class A" and the "document schema A" are associated with each other. Comparing the document schema shown in FIG. 2 and the document class shown in FIG. 3, “root” corresponds to “ROOT”, and “root” corresponds to “root”.
“Sect” immediately below t ”corresponds to“ SECTION ”, the first“ par ”corresponds to“ TITLE ”, and the other“ par ”corresponds to“ PARAGRAPH ”.
This correspondence relationship is defined in the correspondence rule shown in FIG.

[Association Rule B] shown in FIG.
Is for associating "document class B" with "document schema A" as indicated by the attribute value shown in FIG. When the document schema shown in FIG. 2 and the document class shown in FIG. 4 are compared, “root” corresponds to “ROOT”, “sect” corresponds to “SECTION”, and “t”.
"tl" corresponds to "TITLE" and "par" is "PA".
Corresponding to RAGRAPH, "fig" is "FIGUR
E ". This correspondence is defined in the correspondence rule shown in FIG.

As described above, the "association rule A" shown in FIG. 5 generates the document logical structure satisfying the constraint of the document schema "document schema A" from the logical structure satisfying the constraint of the document class "document class A". The "association rule B" shown in FIG. 6 generates a document logical structure satisfying the constraint of the document schema "document schema A" from the logical structure satisfying the constraint of the document class "document class B". It is for doing.

The associating unit 14 receives the logical structure data to be displayed as an input, and identifies the document class and the document schema corresponding to the document data from the document class holding unit 12 and the document schema holding unit 11, respectively. Next, the association rule holding unit 13 identifies the association rule corresponding to the identified document class and the identified document schema. Then, using the specified document class, association rule, and document schema, the logical structure data to be referenced is converted into logical structure data that satisfies the conditions of the document schema and is output. The associating unit 14 is realized by a computer program that describes a procedure for executing such an operation.

The logical structure display unit 15 receives the logical structure data of the document output by the associating unit 14, converts it into image data that can be directly accepted by the output device, and outputs it. The logical structure display unit 15 is realized by a computer program that describes a procedure for executing such an operation.

FIG. 7 is a flow chart for explaining an example of the operation of the first embodiment of the document display device of the present invention. First, in S21, activation of the document display device 1 is instructed by inputting the logical structure data of the reference target, and the document display device 1 is activated. Then, in S22, the associating unit 14
Operates to convert the logical structure of the referenced document. Then, in S23, the logical structure display unit 15 operates,
The converted logical structure data is shown to the reference person 3 through the output device of the input / output device 2. This is the end of the operation relating to the logical structure reference.

FIG. 8 is a flow chart showing an example of the processing flow of the associating unit in the first embodiment of the document display device of the present invention. An example of the operation of the associating unit 14 performed in S22 of FIG. 7 is shown. The associating unit 14 first acquires the document class and the document schema used in the process in S31.

When the document class and the document schema are specified, the associating unit 14 specifies the associating rule to be used from the associating rule holding unit 13 in S32. Succeedingly, in S33, it is determined whether or not the association rule of the usage target exists. If the association rule exists, the process proceeds to S34, and if not, the process proceeds to S36. In S34, the root node in the logical structure to be displayed is selected as the document node to be processed, and the document node processing in S35 is performed. Further, in S36, error processing is performed through the input / output device 2 such as indicating to the referrer 3 a message indicating that an error for which a matching rule does not exist has occurred, and the processing ends.

FIG. 9 and FIG. 10 are flow charts showing an example of the document node processing in the first embodiment of the document display device of the present invention. First, in S41, the corresponding rule to be applied is specified. Specifically, the node to be selected is given as an argument to the predicate described in the condition in the correspondence rule in order from the first element in the correspondence rule list in the correspondence rule specified in S32 of FIG. 8 and evaluated. To go. And
Get the matching rule that first returned true.

Subsequently, in S42, it is determined whether or not the correspondence rule can be specified in S41, and if it is specified, S is determined.
If not, the process proceeds to S47.

Subsequently, in S43, the document node in the logical structure of the conversion result is generated. Specifically, S
A document node corresponding to the document schema node whose name is indicated in the "element type" in the correspondence rule identified by 41 is generated as an element in the logical structure of the conversion result.

In S44, it is determined whether or not the document node to be processed is the root node. If the document node is the root node, the process proceeds to S46, and if not, the process proceeds to S45. In S45, the document node generated as the last child of the document node (hereinafter simply abbreviated as parentNode) designated by the value of the attribute named "parentNode" internally held in the associating unit 14 is connected. In S46, the generated document node is parent
Node.

On the other hand, when the correspondence rule cannot be specified in S42, it is further determined in S47 whether or not the node to be processed is the root. If it is the root, the logical structure is determined in S48. Error processing such as displaying an error message indicating that the conversion could not be performed via the input / output device 2 is performed, and the processing of the entire device ends. If it is not the root, the process proceeds to S49.

In S49, it is determined whether or not the document node to be processed has a child node in the logical structure. As a result of the determination, if the document node has a child node, the process proceeds to S50. Ends the processing of the document node to be processed. In S50, the document node to be processed is set to the document node corresponding to the longest child of the current document node to be processed.

In S51, the document node processing for the document node to be processed at that time, that is, the processing shown in FIGS. 9 and 10 is recursively executed. In S52,
It is determined whether or not the document node to be processed has a younger brother node in the logical structure. If the result of the determination is that it has a younger brother node, the process proceeds to step S53, and if it does not have the younger brother node, the process goes one step higher Return to. In S53, the document node to be processed is set to the document node corresponding to the younger brother immediately after the document node currently to be processed, and the process proceeds to S51.

In this way, with respect to all document nodes in the logical structure while tracing the tree of the logical structure with left depth priority,
The document node processing shown in FIGS. 9 and 10 is performed. When the document node processing is completed for all the document nodes, all the processing of the associating unit 14 in FIG. 8 is completed.

Hereinafter, an example of the operation of the above-described document display device will be described in detail based on a specific example. The following description is based on the premise that all the constituent elements shown in FIG. 1 are prepared. In addition, here, it is assumed that the work of examining the difference in the logical configuration of the document is performed on two documents, “document A” and “document B” created as documents of different document architectures. .

FIG. 11 is an explanatory diagram of a display example of the structured document holder. In the figure, 61 is a structured document list area, and 62 is a logical structure reference instruction button. First, the referrer 3 selects a menu item when referring to the logical structure,
Alternatively, by inputting a command, a structured document holder window (hereinafter referred to as a holder window) as shown in FIG. 11 is displayed. This holder window supports the specification of the reference target document, and the structured document list area 61 and the logical structure display instruction button 62 are arranged. In the structured document list area 61, information regarding structured documents that are candidates for reference is displayed in each line. Here, information about a total of 6 documents of “Document A”, “Document B”, “Document C”, “Document D”, “Document E”, and “Document F” is displayed. In this embodiment, these documents are stored in advance in the file system of the computer in which the document display device 1 is realized, and the input / output device 2
Shall be displayed on the holder window by any suitable means included in.

When the holder window shown in FIG. 11 is shown to the referrer 3, the referrer 3 is displayed in S21 of FIG.
While looking at the information shown in the structured document list area 61 of the holder window, specifies the structured document whose logical structure is to be referred to. Here, it is assumed that “Document A” is determined as the reference target. In response to this, the referrer 3 selects the line corresponding to the structured document “Document A” to be referred in the structured document list area 61, and the logical structure display instruction button 6
2 is pressed, for example, by clicking with a mouse. Then, the input / output device 2 causes the structured document list area 61
The logical structure data of the structured document corresponding to the line selected in is input to the associating unit 14, and the document display device 1 is activated. Accordingly, the processing shifts to S22 of FIG.

FIG. 12 is an explanatory diagram showing an example of the logical structure of a document. In FIG. 12, the logical structure of the document “Document A” designated as the reference target is shown in an abstract representation.
The ellipses are nodes that represent the elements of the logical structure, and the arcs between the nodes indicate the relationships. Each element of the logical structure has its element type and a concatenation of numbers for identification as an identifier. The document “Document A” shown in FIG. 12 is composed of two chapters, the first chapter is composed of two paragraphs and one chapter, the chapter is composed of one paragraph, and the second chapter is composed of two paragraphs. Two
It consists of three paragraphs. The document “document A” is created by a document editor corresponding to the document architecture in which “document class A” is defined, and its logical structure satisfies the constraint indicated by “document class A”.

The logical structure of a document is usually represented by a tree structure. The method of expressing the tree structure on the computer is shown in FIG.
In addition to the expression method shown in (1), many methods have been heretofore shown, and various methods can be used. For example, a tree clause can be implemented as a variable of abstract data type that holds not only the data corresponding to the clause, but also pointers to its parent, brother, younger brother, and eldest child. It can represent a tree structure.

The associating unit 14 acquires the document class and the document schema used in the process in S31 of FIG. FIG. 13 is an explanatory diagram of an example of the document class / document schema setting window. In order to acquire the document class and the document schema, for example, a document class / document schema setting window as shown in FIG. 13 is presented to the referrer 3 via the input / output device 2, and the referrer 3 is provided with the document class and the document schema. To enter. The document class / document schema setting window shown in FIG. 13 includes a document class input field, a document schema input field, and an “Apply” button.

FIG. 14 is an explanatory diagram of an example of the document class / document schema setting window after inputting the document class and the document schema. In the document class / document schema setting window shown in FIG. 13, the referrer 3 inputs the document class name and the document schema name related to the reference target document in the corresponding input fields. In the example shown in FIG. 14, “document class A” is input as the document class name, and “document schema A” is input as the document schema name.

After such input, the "Apply" button is pressed by, for example, clicking with a mouse. Then, the associating unit 14 analyzes the character string input in each input field, and specifies the corresponding document class and document schema from the document class holding unit 12 and the document schema holding unit 11, respectively. In the case of the example shown in FIG. 14, since the document class name “document class A” and the document schema name “document schema A” are input, the document class “document class A” and the document schema “ The document schema A ”is specified.

FIG. 15 is an explanatory diagram of another example of the document class / document schema setting window. In the above example, the referrer 3 is used to specify the document class and the document schema.
Shows how to explicitly specify the document class and document schema. However, in the situation where there is always only one document schema in the document schema holding unit, the work of designating the document schema becomes unnecessary. In the example shown in FIG. 15, the document class / document schema setting window is configured only from the input field of the document class, and the associating unit 14 is configured to always use only one document schema in the document schema holding unit 11. You can also

Further, here, the method of explicitly inputting the document class name and the document schema name from the input / output device 2 when the referrer 3 specifies the document class and the document schema has been described. A list of document classes and document schemas held in the device 1 may be displayed as a list on the setting window, and the referrer 3 may select one by one. Further, the document to be displayed may include information for specifying the document class and the document schema, and the document class and the document schema may be automatically specified based on the information.

Further, here, it is the associating unit 14 which is a component of the document display device 1 that requests the referencer 3 to specify the document schema and the document class. For example, the associating unit 14 is activated. Prior to this, the input / output device 2 causes the referrer 3 to specify the document schema and the document class, and when the associating unit 14 is activated, not only the logical structure data but also the document schema and the document class are associated with the associating unit 1.
It may be configured so that it is passed to the No. 4.

When the document class and the document schema are specified, the associating unit 14 shifts the processing to S32 in FIG. 8 and specifies the associating rule to be used from the associating rule holding unit 13. Here, among the association rules in the association rule storage unit 13, "document class A" is held as the value of the attribute "target document class", and the attribute "target document schema" is held.
The associating rule holding “document schema A” as the value of will be specified. Here, as the association rule satisfying the situation, the association rule with the name “association rule A” as shown in FIG. 5 is obtained.

Subsequently, in S33, it is determined whether or not there is a correspondence rule to be used. However, since the correspondence rule "correlation rule A" is obtained, the processing is S34.
Move on to. In S34, the root node in the logical structure to be displayed as the document node to be processed, that is, in FIG.
Select the document node "root1" in. S35
Then, the document node processing is performed.

First, in S41 of FIG. 9, since the type of the document node "root1" is "root",
The rule 1 is specified in accordance with the condition of the rule 1 in FIG. 5 (A). In the subsequent determination of S42, the rule can be specified, so the process proceeds to S43. In S43, the document node "ROOT1" corresponding to the document schema node of the name "ROOT" of the specified "element type" of rule 1 is generated as an element in the logical structure of the conversion result. In the determination in S44, since the document node to be processed is the root node, the process proceeds to S46. In S46, the generated document node "ROOT1" is set as the parentNode.

In the determination of S49 in FIG. 10, since there is a child node, the process proceeds to S50, and the longest child node "sect1" of the document node "root1" is set as the document node to be processed. Then, in S51, this document node "sec
The processing shown in FIGS. 9 and 10 is recursively performed for t1 ″.

In the processing of the document node "sect1", the rule 2 of FIG. 5A is specified in S41, and the document node "SECTION1" of the conversion result is generated in S43. This document node "SECTION1" is par in S45.
It is connected as the last child of the document node "ROOT1" which is the entNode. Then, in S46, the generated document node "SECTION1" is set to parentNod.
Let be e. In S50, the document node "per1" that is the longest child of the document node "sect1" is set as the processing target node, and the processing shown in FIGS. 9 and 10 is recursively executed.

In the processing of the document node "per1", the processing shown in FIG.
The rule 3 of (A) is specified in S41, and the document node "TITLE1" of the conversion result is generated in S43. This document node “TITLE1” has a parentNo in S45.
It is connected as the last child of the document node "SECTION1" which is de. Then, in S46, the generated document node "TITLE1" is set as the parentNode. Since this document node “per1” has no child node, the process returns to the calling source, the document node “per2” which is the younger brother node is set as the process target node in S53, and the process shown in FIGS. 9 and 10 is performed in S51. Execute recursively.

In the processing of this document node "per2",
Rule 4 in FIG. 5A is specified, and the document node "PAR
AGRAPH1 "is generated and the document node" SECTI "is generated.
It is connected as the youngest child of "ON1". Since there is no child node, the process returns to the calling source, and in S53, the document node "s" which is the younger brother node.
ect2 ″ is set as the processing target node and the processing shown in FIGS. 9 and 10 is recursively executed.

The rule corresponding to the document node "sect2" does not exist in FIG. 5 (A). Therefore, the process proceeds to S47, but since it is not the route, the process proceeds to S48. That is,
The document node corresponding to the document node "sect2" is not generated. In step S50, the child node "par3" becomes the processing target node, and the recursive processing applies rule 4 of FIG. 5A to the document node "PARAGRAPH".
2 "is generated. Since there is no child node or younger brother node, the process returns to the document node" sect1 "one step higher, and the document node" sect3 ", which is the younger brother node of this document node, is further processed as the processing target node. And so on
From the document node “sect3” to the document node “SECTI”
ON2 ”is from the document node“ par4 ”to the document node“ TITLE2 ”, and is from the document node“ par5 ”to“ P ”.
ARAGRAPH3 "is generated.

In this way, the document node processing is performed on all the document nodes in the logical structure while tracing the tree of the logical structure with priority on the left depth. When the document node processing for all the document nodes is completed, the processing of S35 of FIG. 8 is completed and the processing of S22 of FIG. 7 is completed.

FIG. 16 is an explanatory diagram of an example of the logical structure of the document converted by the associating unit. As described above, for example, when the document node processing shown in FIGS. 9 and 10 is completed for all the document nodes of the document “document A” having the logical structure shown in FIG. 12, the document shown in FIG. The structure is generated. This document structure satisfies “Document Schema A”. In addition, in FIG. 16, a number for identification is connected to the element type of the document node as an identifier.
Further, the identifier of the corresponding document node in FIG. 12 is described in parentheses.

Next, in S23 of FIG. 7, the logical structure display unit 15 is activated. The logical structure display unit 15 converts the logical structure data converted by the associating unit 14 into data that can be interpreted by the input / output device 2, and outputs the data to the input / output device 2.
The operation of the logical structure display unit 15 can be easily realized by using the technology provided in the related art for visualizing and displaying the tree structure. Examples of such a conventional technique include “XToolkit programming OPENLOOK version”, D.I. A. Young, J. A. View, translated by Kyosuke Kawate, Toppan Co., Ltd., 1st edition 1992, pp. 547-577, especially p. The algorithm adopted by the function show-tree in the C language described in 576 is mentioned.

FIG. 17 is an explanatory diagram of an example of the logical structure browser. Here, the converted logical structure is displayed for the referrer 3 via the logical structure browser as shown in FIG. The logical structure displayed by the logical structure browser shown in FIG. 17 is a logical structure obtained as a result of converting the logical structure of the document “document A”.

In this way, the referrer 3 selects the structured document to be displayed from the list of structured documents in the holder window as shown in FIG. 11, and selects the document class and the document corresponding to the selected document. It was possible to refer to the logical structure independent of the document architecture of the display target document simply by specifying the schema.

Now, the referencer 3 selects the line corresponding to the document "Document B" in the holder window shown in FIG. 11, and presses the logical structure table instruction button 62 by, for example, clicking with the mouse. . Then, the series of processing shown in FIG. 7 is performed on the document "document B" this time.

FIG. 18 is an explanatory diagram of another example of the logical structure of a document. FIG. 18 shows the logical structure of the document “Document B”. The document "Document B" has two chapters, "sect
1 "and" sect2 ", and" sect1 "is" tt
l "," par1 "," par2 ", and" sect
2 "has" ttl2 "and" figs1 ".
s1 ”has“ fig1. ”The document“ document B ”is generated so as to satisfy the constraint of“ document class B ”different from“ document class A ”to which the document“ document A ”belongs, as shown in FIG. Has been done.

When the processing is started, for example, a document class / document schema setting window as shown in FIG. 13 is displayed, so that the referrer 3 selects “document class / document schema setting window” through the document class / document schema setting window. “Document class B” is designated, and “document schema A” is designated as the document schema. Then, the associating unit 14 identifies the “association rule B” as shown in FIG. 6 as the associating rule to be used. Then, the logical structure is converted based on the document class, the document schema, and the association rule, and the converted logical structure is displayed by the logical structure display unit 15 via the input / output device 2.

FIG. 19 is an explanatory diagram of another example of the logical structure of the document converted by the associating unit, and FIG. 20 is an explanatory diagram of another example of the logical structure browser. A document node "ROOT1" is generated from the document node "root1" in FIG. 18, and the same applies to "sect1" to "SECT".
ION1 ”changes from“ sect2 ”to“ SECTION ”
2 "is" ttl1 "to" TITLE1 "is" pa
r1 ”to“ PARAGRAPH1 ”become“ par2 ”
To "PARAGRAPH2", "ttl2" to "TITLE2", "fig1" to "FIGURE"
1 "is generated and converted into a logical structure as shown in Fig. 19. The converted logical structure is displayed in the logical structure browser as shown in Fig. 20.

As described above, in the document display device shown in the first embodiment, the document class depending on the computer environment used by each individual document creator and the document schema used by the referrer are independently provided. And a mapping rule for mapping between the document class and the document schema is provided. Therefore, by using this document display device, a document creator can create a document by using a document editor having a desired function and a user interface, while a reference person can also create a document architecture and a document class for each document. It is possible to refer to the logical structure and the corresponding contents independently from.

Further, for example, by comparing the logical structure of the document shown in FIG. 17 and the logical structure of the document shown in FIG. 20 with the logical structure browser, the referrer 3 finds that the document "document A".
It can be easily understood that the difference in structure between the document and the document “Document B” is only “difference in third document constituent element type in Chapter 2”.

In the above embodiment, the reference person 3
Since it is assumed that the reference target of is only the logical structure of the structured document, the document display device is also configured to display only the logical structure. However, for example, in the associating unit 14, not only the logical structure of the document but also the corresponding contents are input targets, and S43 of the operation flow shown in FIG. 9 is performed.
By performing the process of connecting the contents to the document node generated in S43 between S44 and S44, the association unit 14 can convert the document including not only the logical structure of the document but also the contents.

In order to display the converted document, a document display unit for displaying both the logical structure and the contents may be provided instead of the logical structure display unit 15. The document display unit, for example, expresses the logical structure by the inclusion relation of the frame displayed corresponding to each logical component in the input structured document, and at the same time, the content corresponding to the frame is displayed in the frame. It can be realized by displaying. This realization method is shown in the document editing apparatus described in, for example, Japanese Patent Laid-Open No. 5-143588, and can be realized by adopting the realization method described in this document, for example. FIG. 21 shows an example of a document browser that employs this method and displays "Document A".

FIG. 22 is a block diagram showing the second embodiment of the document display device of the present invention. In the figure, the same parts as those in FIG. 4 is the keeper, 16
Is a document storage unit, 17 is a document storage unit, and 18 is a document search unit. Also in this embodiment, each component can be realized by using resources on a computer such as a personal computer or a workstation and peripheral devices, as in the first embodiment.

The input / output device 2 receives an instruction for specifying the structured document to be stored from the storer 4 who intends to store the document, acquires the structured document data, and outputs the structured document data to the document storage unit 17, and An input device for obtaining a search condition for identifying a structured document to be referred from the referrer 3 and outputting the search condition to the document search unit 18, and the output device shown in the first embodiment. Composed of. Similar to the input / output device 2 shown in the first embodiment, the input / output device in this embodiment can be easily realized by using the components shown in the first embodiment.

The document holding unit 16 holds the structured document to be displayed. The document holding unit 16 can be configured by a database, a file system, or the like, and can be realized in a storage area of a computer such as a memory or a magnetic disk.

The document storage unit 17 receives the structured document to be stored, and specifies the document class and the document schema corresponding to the logical structure data of the document from the document class holding unit 12 and the document schema holding unit 11, respectively. Then, the association rule holding unit 13 identifies the association rule corresponding to the identified document class and the identified document schema. Furthermore, using the specified document class, association rule, and document schema, the logical structure data of the input document is converted into logical structure data that satisfies the conditions of the document schema, and the converted logical structure data and document The structured document is newly generated from the content data of and stored in the document holding unit 16. The document storage unit 17 can be realized by, for example, a computer program that describes procedures for sequentially executing these processes.

The document search unit 18 receives the search condition for searching the structured document to be referred, searches the structured document in the document holding unit 16 based on the search condition, and satisfies the search condition. The logical structure data of the document is output as the input of the logical structure display unit 15. The document search unit 18 can be realized by, for example, a computer program that describes a procedure for executing such processing.

An example of the operation of the second embodiment of the document display device of the present invention will be described below. First, the storage of documents will be described. FIG. 23 is a flow chart illustrating an example of an operation performed when a document is stored in the second embodiment of the document display device of the present invention. First, S7
In 1, a structured document to be stored is input, and an operation for instructing activation of the document display device 1 is performed. When the document display device 1 is activated, the document storage unit 17 is started in S72.
Operates, the logical structure is converted, a structured document to be stored is created, and the structured document is stored in the document holding unit 16. This is the end of the operation related to document storage.

FIG. 24 is a flow chart showing an example of the processing flow of the document storage unit in the second embodiment of the present invention. The process of the document storage unit 17 shown in FIG. 24 is S72 of FIG.
Performed in. First, in step S81, the document storage unit 17 identifies the association rule to be used from the association rule holding unit 13. Here, the same operation as S32 of the operation by the associating unit 14 in the first embodiment shown in FIG. 8 is performed.

The subsequent operations of S82, S83 and S86 are performed by the associating unit 14 in the first embodiment shown in FIG.
The operation is the same as S33, S34, and S36. That is, in S82, it is determined whether or not the association rule can be identified in S81, and if it cannot be identified, S
Error processing is performed at 86. If the association rule can be specified, the root node in the logical structure of the document to be stored is selected as the document node to be processed in S83, and S
Proceed to 84. In S84, the document node processing is performed in the same manner as in S35 of FIG. 8 to generate a document having a converted logical structure. Then, in S85, the generated structured document is stored in the document holding unit 16.

25 and 26 are flow charts showing an example of the processing flow of the document node processing in the second embodiment of the present invention. 25 and 26, the same processes as those in FIGS. 9 and 10 are denoted by the same reference numerals, and the description of the individual processes will be omitted. 25 and 26, the process is the same as the document node process in the first embodiment shown in FIGS. 9 and 10 except that the process of S91 is performed. In the second embodiment, the converted logical structure is not only displayed, but the content is retrieved according to the converted logical structure. Therefore, the converted logical structure and the contents need to be associated with each other. S91 is a process of associating the generated node with the content, and when the content of the document is assigned to the document node in the logical structure before conversion corresponding to the document node generated in S43, it is generated. A process of associating the document node with the document content is performed.

The operation of storing the above document will be described based on a specific example. FIG. 27 is an explanatory diagram of an example of a setting window for storing a structured document. First of all, store person 4
Causes the input / output device 2 to display a structured document storage setting window (hereinafter referred to as a setting window) as shown in FIG. 27 by selecting a menu item or inputting a command. The setting window allows the storage person 4 to specify a document to be stored, and at the same time, to specify a document class and a document schema corresponding to the document. In the setting window shown in FIG. 27, an area for inputting the document name when the document is stored, the file name of the document to be stored, the document class of the document, and the document schema, the “Browse” button, and the “Store” button Buttons are arranged.

When the "Browse" button is pressed by clicking with a mouse or the like, a user interface for designating a file on the file system of the computer is displayed. Therefore, in addition to directly inputting the file name of the storage target document through the keyboard, the storer 4
By using this user interface, the storage target document file can be easily specified.

FIG. 28 is an explanatory diagram of an example of the setting window after the input is completed. Here, "Document A" is input as the name of the document after storing the document, a file name with the path "/ home / momma / DocA" specified as the file name of the document to be stored is input, and the document class " “Document class A” is input, and “document schema A” is input as the document schema.

As shown in FIG. 28, the storer 4 inputs information on the document to be stored in the corresponding field of the setting window and presses the "store" button by, for example, clicking it with the mouse. As a result, the process for storing the structured document held in the file designated by the path “/ home / momma / DocA” in the file system on the computer as the document “document A” in the document holding unit 16 is performed. It will start.

FIG. 29 is an explanatory diagram showing the correspondence relationship between the logical structure and the contents of a stored document. FIG. 29 shows the logical object identifier of the document “Document A” and the content of the corresponding document. The document “Document A” has the logical structure shown in FIG. In the logical structure shown in FIG. 12, the end node is associated with the content of the document. This correspondence is shown in FIG. That is, the document “Document A” is composed of the logical structure shown in FIG. 12 and the correspondence shown in FIG. Such a document “Document A” is created by the document creator using an existing document editor having a function and a user interface desired by each document creator.

When the document display device 1 is started up, the document storage unit 17 first specifies the association rule to be used from the association rule holding unit 13. Here, it is assumed that the association rule “association rule A” shown in FIG. 5 is specified. Then, this association rule "association rule A"
28, based on the document class “document class A” and the document schema “document schema A” input in the setting window as shown in FIG. 28, “/ home / moma / Doc”
The document node processing is performed on the structured document held in the file designated by the path A "to generate the document with the converted logical structure. At this time, the document node" par1 "shown in FIG. "Par2", "par"
When the document nodes corresponding to 3 "," par4 ", and" par5 "are generated, the contents of the corresponding document shown in Fig. 29 are associated with the generated document nodes. The structured document thus created is stored in the document holding unit 16.

FIG. 30 is an explanatory diagram of an example of a structured document stored in the document holding unit. As mentioned above, "/ h
FIG. 30 shows the document “Document A” generated and stored based on the structured document held in the file designated by the path “ome / moma / DocA”. FIG. 30 (A)
Shows schematically the logical structure after conversion, and the identifier of the corresponding document node before conversion is shown in the ellipse indicating each document node. Further, in S91 during the document node processing shown in FIGS. 25 and 26, when the content is associated with the document node before the return, the content is associated with the node generated corresponding to the document node. To be A document node associated with this processing, that is, a logical object and its contents are shown in FIG. 30 (B). Further, a document name, a document schema name, a document class name, etc. as shown in FIG. 30C are stored in the document storage unit 16 together with the document as attributes attached to the stored document.
Hereinafter, this stored structured document will be referred to as "internal document A".

Thus, the storer was able to store the structured document in the document display device 1 of the present invention as intended.

Next, reference to the logical structure will be described.
FIG. 31 is a flow chart illustrating an example of the operation performed when the logical structure is referred to in the second embodiment of the present invention. First, in S101, an operation of inputting a condition for searching a structured document to be referred to and instructing to start the document display device 1 is performed. When the document display device 1 is activated, S1
In 02, the document search unit 18 operates to search the document holding unit 16 with the input search condition, identify a structured document that satisfies the search condition, and output the logical structure data to the logical structure display unit 15. To do. Then, in S103, the output logical structure data is visualized by the logical structure display unit 15 and shown to the referrer 3 via the input / output device 2. This is the end of the operation related to the logical structure display.

The reference processing of the above logical structure will be described based on a specific example. Here, as shown in FIG. 11, six documents displayed in the structured document holder in the first embodiment are
Before the reference work of the logical structure is performed, the document storage unit 17
It is assumed that the document is held in the document holding unit 16 through.

First, when the referrer 3 wants to refer to the logical structure, he / she selects a menu item or inputs a command to ask the input / output device 2 to display an inquiry condition setting window as shown in FIG. Is displayed. The inquiry condition setting window allows the referrer 3 to specify the search condition that the reference document should satisfy. In this window, conditions related to the document name, document schema name, and document class name can be specified, but a "search condition setting button" is added to the end of each field. When the referrer 3 presses this button, a menu consisting of three items including “include”, “starts with”, and “is” is displayed, so that the referrer 3 selects an item corresponding to a desired condition from this menu. By selecting, you can specify partial match, prefix match, or exact match.

Here, the referrer 3 wants to refer to the logical structure of the document "document A", but "includes" A "in the document name" as a clue to identify the document "document A". Suppose you are aware of only the fact. Referrer 3
Inputs this clue to the inquiry condition setting window and instructs the search. Specifically, "A" is described in the "Document name" field, and the item "including" is selected from the menu corresponding to the search condition setting button. Then, the input / output device 2 converts the items described in the inquiry condition setting window into search condition data, and the document search unit 18
Is input to start the document display device 1. Accordingly, the processing state shifts from S101 to S102 in FIG.

In S102, a search is performed based on the search condition input by the document search unit 18, and the logical structure of the structured document satisfying the search condition is output. Here, only the internal document A is specified as the document satisfying the search condition, and the logical structure is output. The logical structure of the internal document A is shown in FIG.

The processing flow advances to S103 in FIG.
Logical structure data obtained as a result of the search is displayed in the logical structure display unit 1.
5 is visualized and displayed to the referrer 3 via the input / output device 2. The image of the logical structure browser displayed here is
It is the same as FIG.

In this way, the referrer 3 can refer to the logical structure of a document matching the clues by merely inputting the clues regarding the reference document in the inquiry condition setting window shown in FIG. You can

In the above-described first embodiment, the document to be referred to is not always displayed in the structured document holder window. In such a case, the referrer 3 must search for the reference document and input it to the document display device 1. Even if the referenced document is displayed in the structured document holder window, if the number of displayed documents is very large,
Finding the desired document has never been easier. However, in the second embodiment, since a document that may be referred to can be stored in the apparatus in advance, it is not necessary for the referrer 3 to perform the above work, and the referrer 3 is not required. Burden will be further reduced.
Of course, this second embodiment also has the same effect as that of the first embodiment.

In the above example, the condition relating to the name is used as the search condition, but other than this condition, the following search conditions can be used in the document display device 1 of this embodiment. . -Partial match, prefix match, exact match of document schema name-Partial match, prefix match, exact match of document class-Structural condition of logical structure

Further, when the document is stored, information related to the document to be stored is stored as a set with the document, and a procedure for searching the document is prepared in the document search unit 18 based on the search condition related to the information. , Conditions other than the above search conditions can be used. The following are examples of such search conditions. -Document architecture name-Partial match, prefix match, exact match of original title-Keyword-Partial match of abstract-Partial match of author name, prefix match, exact match-Partial match of author name, prefix match, exact match-Publish Date and time range-Registration date and time range

Of the above-mentioned search conditions, the search processing based on the conditions other than the "structural condition of the logical structure" can be easily realized by using a widely known technique. For example, when each structured document in the document holding unit 16 is represented by a text file, it can be easily realized by, for example, a program using a character string search function of the perl language. For the perl language,
For example, "perl programming", Larry W
all and Randal L. et al. Schwart
z, Softbank, 1993, etc. When the document holding unit 16 is represented as a database, it can be easily realized by a program using a database inquiry language such as SQL. SQL is, for example, “An Introducti
on to Database Systems ”, V
ol. 1, C.I. J. Date, ADDISON-WE
It is described in Chapter 4 of SLEY, published in 1985.

Also regarding the search by "structural condition of logical structure", for example, the command group described in the embodiment of "Document processing method and document processing apparatus" disclosed in Japanese Patent Laid-Open No. 6-52116 is For example, it can be realized by a program combined with the command group of the perl language.

In the above-mentioned second embodiment, the document holding unit 16
When storing the document in, the logical structure of the document was converted according to the document schema, and the converted document was stored in the document holding unit 16. However, the present invention is not limited to this, when storing a document in the document holding unit 16, the document class itself of the document is stored without performing conversion, and when the document is searched and displayed, the document is converted according to the document schema, It can also be configured to display. In this case, for example, the document class and document schema input in the structured document storage setting window as shown in FIGS. 27 and 28 are stored in the document holding unit 16 together with the document. Then, the document retrieval unit 18 retrieves from the document holding unit 16 the document that meets the instructed retrieval condition and the information such as the document class and the document schema stored together with the document, the retrieved document, the document class,
The document schema is input to the associating unit 14 shown in the first embodiment. The logical structure of the document converted by the associating unit 14 may be presented to the referrer 3 from the logical structure display unit 15 via the input / output device 2.

Note that, in the above embodiment as well, as in the first embodiment, since it is assumed that the referent of the referrer 3 is the logical structure of the structured document, it is displayed on the document display device. Information is limited to the logical structure of the document. But,
Realization of the function of displaying the logical structure and contents of a document in the document display device can be realized by using the method shown in the first embodiment.

FIG. 33 is a block diagram showing the third embodiment of the document display device of the present invention. In the figure, the same parts as those in FIGS. 1 and 22 are designated by the same reference numerals and the description thereof will be omitted. 19
Is a document display unit. Also in this embodiment, each component can be realized by using resources and peripheral devices on a computer such as a personal computer and a workstation, as in the first and second embodiments.

The document storage unit 17 receives the structured document to be stored and stores it in the document holding unit 16. Unlike the document storage unit 17 in the second embodiment, the document storage unit 17 in the third embodiment does not perform document conversion processing.

The document retrieving unit 18 receives the retrieval condition for retrieving the structured document to be referred, retrieves the structured document in the document holding unit 16 based on the retrieval condition, and satisfies the retrieval condition. The document data is output as the input of the associating unit 14.

An example of the operation of the third embodiment of the document display device of the present invention will be described below. First, the storage of documents will be described. FIG. 34 is a flow chart illustrating an example of an operation performed when a document is stored in the third embodiment of the document display device of the present invention. First, S1
In 11, a structured document to be stored is input, and an operation for instructing activation of the document display device 1 is performed. When the document display device 1 is activated, the document storage unit 17 operates in S112, and the input structured document is stored in the document storage unit 16 in S112.
Stored in. This is the end of the operation for storing the document.

The operation of storing the above document will be described based on a specific example. First, the stor- er 4, in S111,
By selecting a menu item or inputting a command, the input / output device 2 is caused to display a setting window as shown in FIG. 27, for example. Subsequently, the storer 4 inputs into this setting window as shown in FIG. 28 and presses the "store button". Here, it is assumed that the logical structure of the "document A" that is the storage target is as shown in FIG. 12, and the correspondence relationship between the logical structure and the contents is also as shown in FIG. The document display device 1 is activated in accordance with the operation of the storer 4, and the process proceeds to S112. At this time, the document data of “Document A” is input to the document storage unit 17 by the input device of the input / output device 2.

In S112, the document storage unit 17 operates,
The set of the document name, the document class name, and the document schema name input in the setting window is added as an attribute to the document data of the input structured document, and the set is stored in the document holding unit 16. The document data stored here has a logical structure shown in FIG. 12, contents shown in FIG. 29, and attributes shown in FIG.

In this way, the storer 4 was able to store the structured document in the document display device 1 of the present invention, as intended.

Next, reference to the logical structure will be described.
FIG. 35 is a flow chart illustrating an example of an operation performed when a document is referred to in the third embodiment of the document display device of the present invention. First, in S121, a condition for searching for a structured document to be referred to is input, and an operation for instructing activation of the document display device 1 is performed. When the document display device 1 is activated, in step S122, the document search unit 18 operates to search the document holding unit 16 according to the input search condition, identify a structured document that satisfies the search condition, and retrieve the document data. Output to the associating unit 14. In S123, the associating unit 14 generates a structured document having a logical structure that satisfies the constraint of the document schema corresponding to the retrieved document data. The flow of processing performed here is basically the same as the flow described with reference to FIGS. 8, 9 and 10, but since a structured document including not only the logical structure but also the contents is generated here. 25 and 26 are performed. Then, in S124, the document display unit 1
9 operates, and the structured document data including the converted logical structure data is shown to the reference person 3 through the output device of the input / output device 2. This is the end of the operation related to the document reference.

Hereinafter, an example of the operation of the above-mentioned document display device will be described in detail based on a specific example. The following description is based on the assumption that all the constituent elements shown in FIG. 33 are prepared. In addition, here, “document A” and “document B” created as documents of different document architectures
It is assumed that the work for investigating the difference between the logical configurations of the documents is being performed for the two. At this time,
As in the first embodiment, the document holding unit 16 stores documents related to a total of 6 documents of “document A”, “document B”, “document C”, “document D”, “document E”, and “document F”. It is assumed that the data is retained.

First, when the referrer 3 wants to refer to the document, he or she selects a menu item or inputs a command to cause the input / output device 2 to display the inquiry condition setting window as shown in FIG. Display it. Similarly to the referrer 3 in the second embodiment, the referrer 3 in the third embodiment uses only the fact that “the name of the document includes“ A ”” as a clue to identify the “document A”. It should be recognized. As a result, similarly to the second embodiment, “A” is described in the “Document Name” field, the item “including” is selected from the menu corresponding to the search condition setting button, and the search is instructed. Then, the input / output device 2 converts the items described in the inquiry condition setting window into search condition data and inputs the search condition data to the document search unit 18, and the document display device 1 is activated. Along with this, the processing state is shown in FIG.
The processing shifts from S121 of 5 to S122.

In S122, a search is performed based on the search condition input to the document search unit 18, and the document data of the structured document satisfying the search condition is output. here,
Only "Document A" is specified as the document satisfying the search condition, and the document data is output. The document data of "document A" output at this time has the logical structure shown in FIG.
And the attributes shown in FIG. 30C.

The flow of processing advances to S123 in FIG. 35, and the associating unit 1 targets the document data obtained as a result of the search.
4 starts. Here, the processes actually performed by the associating unit 14 are (1) the process performed by the associating unit 14 in the first embodiment, and (2) the document nodes “par1” and “par2” to be converted. "," Par
Document nodes "TITLE1" and "PARAGRAPH" generated corresponding to "3", "par4", and "par5"
1 ”,“ PARAGRAPH2 ”,“ TITLE2 ”,
"PARAGRAPH3" is a connection process with the content corresponding to the document node to be converted. The document data obtained as a result of this processing is the same as that shown in FIGS. 30 (A) and 30 (B).

Next, in S124 of FIG. 35, the document display unit 19 is activated. The document display unit 19 is the association unit 1
The document data converted in 4 is converted into data that can be interpreted by the input / output device 2, and is output to the input / output device 2. The logical structure of the document shown to the referrer 3 by the document display unit 19 is
It is the same as that shown in FIG. In addition, in the third embodiment, not only the logical structure but also the contents are displayed. In this case, as described in the first embodiment, for example, the document described in Japanese Patent Laid-Open No. 143588/1993. It is possible to display as shown in FIG. 21, for example, by using the method shown by the editing device.

In this way, the referrer 3 can refer to the document matching the clue only by inputting the clue concerning the document to be referred to the inquiry condition setting window as shown in FIG. did it.

Now, in order for the referrer 3 to refer to "Document B", "B" is entered in the "Document Name" column of the inquiry condition setting window shown in FIG. 32, and the search condition setting button is clicked. Select the item "include" in the corresponding menu and press the "Apply" button by, for example, clicking it with the mouse. Then, the series of processing shown in FIG. 35 is performed on "document B" this time.

The document "Document B" in this embodiment has the logical structure shown in FIG. The logical structure after the conversion of the logical structure is performed on this document data is shown in FIG.
9, and the logical structure browser displayed by the document display unit 19 is as shown in FIG. In this embodiment, not only the logical structure but also the contents are displayed. In this case, as in the case of the display of "Document A", for example, the method shown by the document editing apparatus described in Japanese Patent Laid-Open No. 5-143588. For example, the “document B” can be displayed in the form as shown in FIG.

In each of the above-described embodiments, a method for displaying both the logical structure and the content of a structured document in the document display section is shown by the document editing apparatus disclosed in Japanese Patent Laid-Open No. 5-143588, for example. Although a method has been shown, other methods are possible. For example, in FIG.
As shown in FIG. 6, by providing a region for displaying the logical structure and a region for displaying the content separately and providing a scroll bar or the like in each region, a support environment for making independent reference to the logical structure and the content It is also possible to provide Further, by configuring so that the display content and display form of the other area change according to the operation on one of the areas, it is possible to support both the reference work of the logical structure and the reference work of the content.

The following is an example of the operation of the document display section based on such a configuration. -Display the content corresponding to the logical object selected in the logical structure display area in the content display area. Change the display form of the content displayed in the content display area among the content corresponding to the logical object selected in the logical structure display area, for example, by adding an underline. Display the contents other than the contents corresponding to the logical object selected in the logical structure display area in the content display area. Display the contents corresponding to all the logical objects in the subtree having the logical object selected in the logical structure display area as the vertex in the content display area. -Of the contents corresponding to all the logical objects in the subtree having the logical object selected in the logical structure display area as the vertex, the display form of what is displayed in the content display area is, for example, underlined. To change. Display the contents corresponding to all the logical objects in the display target document that have the same attributes as the attributes set for the logical object selected in the logical structure display area in the content display area. -Of the contents corresponding to all the logical objects in the display target document that have the same attributes as the attributes set for the logical object selected in the logical structure display area,
The display form of what is displayed in the content display area is changed by, for example, adding an underline. -The display form of the logical object corresponding to the document content selected in the content display area is changed in the logical structure display area.

The correspondence relationship between the logical objects and the contents used in each of the above operation examples may be one defined in advance in the document, or one retained in the document display section. You may use.

[0140]

As is apparent from the above description, according to the present invention, the document creator can create a document by using the document editor having each desired function and user interface, while the referrer 3 can individually create the document. There is an effect that the logical structure and the corresponding contents can be referred to independently of the document architecture and the document class related to the document.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a first embodiment of a document display device of the present invention.

FIG. 2 is an explanatory diagram of an example of a document schema.

FIG. 3 is an explanatory diagram of an example of a document class.

FIG. 4 is an explanatory diagram of another example of a document class.

FIG. 5 is an explanatory diagram of an example of association rules.

FIG. 6 is an explanatory diagram of another example of the association rule.

FIG. 7 is a flowchart illustrating an example of an operation in the first exemplary embodiment of the document display device of the present invention.

FIG. 8 is a flowchart showing an example of the processing flow of the associating unit in the first embodiment of the document display apparatus of the present invention.

FIG. 9 is a flowchart showing an example of document node processing in the first embodiment of the document display device of the present invention.

FIG. 10 is a flowchart (continuation) showing an example of document node processing in the first exemplary embodiment of the document display apparatus of the present invention.

FIG. 11 is an explanatory diagram of a display example of a structured document holder.

FIG. 12 is an explanatory diagram of an example of a logical structure of a document.

FIG. 13 is an explanatory diagram of an example of a document class / document schema setting window.

FIG. 14 is an explanatory diagram of an example of a document class / document schema setting window after inputting a document class and a document schema.

FIG. 15 is an explanatory diagram of another example of a document class / document schema setting window.

FIG. 16 is an explanatory diagram of an example of a logical structure of a document converted by the associating unit.

FIG. 17 is an explanatory diagram of an example of a logical structure browser.

FIG. 18 is an explanatory diagram of another example of the logical structure of a document.

FIG. 19 is an explanatory diagram of another example of the logical structure of the document converted by the associating unit.

FIG. 20 is an explanatory diagram of another example of the logical structure browser.

FIG. 21 is an explanatory diagram of an example of a document browser.

FIG. 22 is a configuration diagram showing a second embodiment of the document display device of the present invention.

FIG. 23 is a flowchart illustrating an example of an operation performed when a document is stored in the second embodiment of the document display device of the present invention.

FIG. 24 is a flowchart showing an example of the processing flow of the document storage unit according to the second embodiment of the present invention.

FIG. 25 is a flowchart showing an example of the processing flow of document node processing in the second exemplary embodiment of the present invention.

FIG. 26 is a flowchart (continuation) showing an example of the processing flow of the document node processing in the second example of the present invention.

FIG. 27 is an explanatory diagram of an example of a setting window for storing a structured document.

FIG. 28 is an explanatory diagram of an example of a setting window after input is completed.

FIG. 29 is an explanatory diagram showing a correspondence relationship between a logical structure and contents of a stored document.

FIG. 30 is an explanatory diagram of an example of a structured document stored in a document holding unit.

FIG. 31 is a flowchart illustrating an example of an operation performed when a logical structure is referred to in the second exemplary embodiment of the present invention.

FIG. 32 is an explanatory diagram of an example of an inquiry condition setting window.

FIG. 33 is a configuration diagram showing a third embodiment of the document display device of the present invention.

FIG. 34 is a flowchart illustrating an example of an operation performed when a document is stored in the third embodiment of the document display device of the present invention.

FIG. 35 is a flowchart illustrating an example of an operation performed when a document is referred to in the third embodiment of the document display device of the present invention.

FIG. 36 is an explanatory diagram showing one aspect of display of document data.

[Explanation of symbols]

1 ... Document display device, 2 ... Input / output device, 3 ... Referrer, 4 ...
Storer, 11 ... Document schema holding unit, 12 ... Document class holding unit, 13 ... Association rule holding unit, 14 ... Associating unit, 15 ... Logical structure display unit, 16 ... Document holding unit, 17 ...
Document storage unit, 18 ... Document search unit, 19 ... Document display unit.

Claims (8)

[Claims] 1. A document input unit for inputting a structured document, a document class holding unit for holding a document class which is a constraint of a logical structure of the document input by the document input unit, and the document. A document schema holding unit holding a document schema that is a constraint of a logical structure when displaying a document input by the input unit, a document class held in the document class holding unit, and the document schema holding unit. Rule holding means for holding a correspondence rule with the held document schema, document class held by the document class holding means for a document input by the document input means, and held by the document schema holding means A sentence to display the document input by the document input means based on the document schema stored and the corresponding rule held by the rule holding means A document display device comprising: a document conversion unit for converting the document into a document; and a document display unit for displaying the document converted by the document conversion unit. 2. The database further includes a database that stores structured documents, and a search unit that searches the documents stored in the database, wherein the document input unit is searched by the search unit. The document display device according to claim 1, wherein a document is input. 3. A database that stores structured documents, document input means for inputting a document, and a document class that is a constraint of the logical structure of the document input by the document input means. Document class holding means, document schema holding means holding a document schema that is a constraint of the logical structure of documents stored in the database, document class held in the document class holding means, and the document Rule holding means for holding the correspondence rule with the document schema held in the schema holding means, document class held in the document class holding means for the document input to the document input means, and the document schema It is input by the document input means based on the document schema held in the holding means and the correspondence rule held in the rule holding means. Document conversion means for converting a document into a document stored in the database, storage means for storing the document converted by the document conversion means in the database, and search for searching the database for the document stored by the storage means A document display device comprising: means and a document display means for displaying the document retrieved by the retrieval means. 4. The document display means has a logical structure display means for displaying a logical structure of the document searched by the search means, and a content display means for displaying the content of the document searched by the search means. The document display device according to claim 2, wherein the document display device is a display device. 5. The document display means selects a logical structure display means for displaying a logical structure of a document searched by the search means, and an object which is a node of the logical structure displayed by the logical structure display means. 4. The document display according to claim 2 or 3, further comprising: a logical structure selecting unit for displaying the contents, and a content displaying unit for displaying contents corresponding to the object of the logical structure selected by the logical structure selecting unit. apparatus. 6. The document display means, content display means for displaying the content of the document retrieved by the retrieval means, content selection means for selecting a part of the content displayed by the content display means, 4. The document display device according to claim 2, further comprising a logical structure display means for displaying a logical structure corresponding to the content selected by the content selection means. 7. A document class which is a constraint of a logical structure of a document input in advance is held, a document schema which is a constraint of a logical structure of a document stored in a database is held in advance, and a document is also stored in advance. Correspondence rules between classes and document schemas are held, and based on the held document class, held document schema and held correspondence rules, the input document is converted into a document to be stored in the database, A method of displaying a document, characterized in that the converted document is stored in the database, the document stored in the database is searched, and the logical structure and contents of the searched document are displayed. 8. A document class, which is a constraint of a logical structure of a document stored in advance in a database, is held,
Also, the document schema that is the constraint of the logical structure of the document to be displayed is stored in advance, and the correspondence rules between the document class and the document schema are stored in advance. The input document is stored in the database and stored. The retrieved document, converts the retrieved document to the document to be displayed based on the retained document class, the retained document schema, and the retained correspondence rule, and determines the logical structure of the converted document and A document display method characterized by displaying the contents.