JP3677852B2 - Document processing method and apparatus - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a document processing method and apparatus for managing a plurality of documents in a hierarchical structure, and in particular, the hierarchical structure of a plurality of documents and the hierarchical structure of headwords corresponding to the plurality of documents as a single hierarchical structure, for example, a tree structure. When the file screen is displayed, the hierarchical structure of files corresponding to a plurality of documents is extracted and displayed by following the one tree structure, and the headword is displayed by following the single tree structure when the heading screen is displayed. The present invention relates to a document processing method and apparatus that can easily extract and display a plurality of documents having a hierarchical structure.
[0002]
[Prior art]
Conventionally, as a document processing method and apparatus for managing a plurality of documents in a hierarchical structure, for example, a “document processing apparatus” disclosed in JP-A-6-131341 is known. The “document processing apparatus” disclosed in Japanese Patent Application Laid-Open No. 6-131341 relates to a technique called a book or shared book realized in a JStar workstation. In the technique called book or shared book, a hierarchical structure is used. A plurality of documents can be managed like a book, and each document can be given a page number or a chapter number.
[0003]
In addition, in the method called this book or shared book, a book is further created in a plurality of documents managed as one book (hereinafter referred to as a book) or created in this book. The released book (hereinafter, a book created in this book is called a group) can be released.
[0004]
In such a document processing method and apparatus for managing a plurality of documents in a hierarchical structure, a conventional method for managing a plurality of document files includes a tree structure for a file screen for managing document files and a document structure in a document file. For example, a tree structure for a headline screen that manages a hierarchical structure of headwords is divided and managed by these two tree structures.
[0005]
FIG. 13 shows an example of the conventional tree structure for the file screen and the tree structure for the header screen. In FIG. 13, the tree shown on the left side shows a tree structure for a file screen, and the tree shown on the right side shows a tree structure for a heading screen.
[0006]
That is, in the tree structure for the file screen shown on the left side, the document D1, the group G1, and the document D5 are connected under the book BO, and the document D2, the document D3, and the document D3 are connected under the group G1. .
[0007]
In the tree structure for the heading screen described on the right side, the heading H1, the heading H2, the heading H3, the heading H6, the heading H7, the heading H8, and the heading H9 are connected to the lower level of the book BO. , Heading H4 and Heading H5 are connected.
[0008]
Here, the heading H1 and the heading H2 are headings included in the document D1, the heading H3, the heading H4, the heading H5, and the heading H6 are headings included in the document D3, and the heading H7 is included in the document D3. The headings H8 and H9 are headings included in the document D5.
[0009]
As described above, in the conventional document processing method and apparatus, a plurality of documents having a hierarchical structure are divided into a tree structure for a file screen and a tree structure for a header screen, and are managed in two tree structures.
[0010]
[Problems to be solved by the invention]
However, in the conventional document processing method and apparatus described above, in order to manage a plurality of documents, it is necessary to construct two tree structures, a tree structure for a file screen and a tree structure for a header screen.
1) The amount of data increases and the tree structure becomes complicated
2) Tree management is difficult
3) Since a file management tree is constructed when displaying a file screen, and a header structure file is constructed when displaying a header screen, each screen takes time to display.
There was a problem.
[0011]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a document processing method and apparatus that can easily manage a plurality of documents having a hierarchical structure and can easily display a file screen and a heading screen. .
[0012]
[Means for Solving the Problems]
In order to achieve the above object, according to a first aspect of the present invention, a document management means (21 in FIG. 1) uses a document management means (21 in FIG. 1) to obtain a hierarchical structure of a plurality of documents and a hierarchical structure of a plurality of headwords included in each document of the plurality of documents. A plurality of documents are stored and managed as two consecutive hierarchical structures, and the documents included in the hierarchical structure stored and managed by the document management means are sequentially traced in the hierarchical order from the top by the file screen display processing means (22 in FIG. 1). A hierarchical structure is extracted, the hierarchical structure of the extracted document is displayed as a file screen, and a headword included in each document included in the hierarchical structure stored and managed by the document management means is displayed as a header screen display processing means (FIG. 1), the hierarchical structure of headwords is extracted by sequentially tracing from the upper document in units of documents, and the hierarchical structure of the extracted headwords is displayed as a headline screen. The features.
[0013]
The second invention is a document management means for storing and managing a hierarchical structure of a plurality of documents and a hierarchical structure of a plurality of headwords included in each document of the plurality of documents as one continuous hierarchical structure (FIG. 1). 21) and extracting the hierarchical structure of a plurality of documents by sequentially tracing the documents included in the hierarchical structure stored and managed by the document management means from the top to the hierarchical order, and the hierarchical structure of the extracted documents is displayed on the file screen. File screen display processing means (22 in FIG. 1) to be displayed as follows, and headwords included in each document included in the hierarchical structure stored and managed by the document management means are sequentially traced from the upper document in units of each document. And a headline screen display processing means (23 in FIG. 1) for extracting a hierarchical structure of headwords and displaying the extracted hierarchical structure of the headwords as a headline screen. .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
In the first invention, the hierarchical structure of a plurality of documents and the hierarchical structure of headwords corresponding to the plurality of documents are managed as one hierarchical structure, for example, a tree. The hierarchical structure of the file corresponding to the plurality of documents is extracted and displayed by tracing each hierarchy of the structure, and when displaying the heading screen, the hierarchical structure of the headword is extracted by tracing the single hierarchical structure in document units. indicate.
[0015]
In addition, the second invention,
1) Document management means for storing and managing a hierarchical structure of a plurality of documents and a hierarchical structure of a plurality of headwords included in each document of the plurality of documents as one continuous hierarchical structure
2) A file that extracts the hierarchical structure of a plurality of documents by sequentially tracing the documents included in the hierarchical structure stored and managed by the document management means from the top in the hierarchical order, and displays the extracted hierarchical structure of the documents as a file screen. Screen display processing
3) The headwords included in each document included in the hierarchical structure stored and managed by the document management means are sequentially traced from the upper document in units of each document to extract the headword hierarchical structure, and the extracted headwords Heading screen display processing means for displaying the hierarchical structure of the screen as a heading screen
Is provided.
[0016]
That is, according to the first and second inventions, the hierarchical structure of a plurality of documents and the headword hierarchical structure corresponding to the plurality of documents are constructed as one hierarchical structure.
[0017]
When the file screen is displayed, each hierarchy of the one hierarchical structure is traced to display up to the document file.
[0018]
Further, when displaying the headline screen, the hierarchical structure of headwords is extracted and displayed below the document file by tracing one hierarchical structure in document units.
[0019]
Specifically, for example, when a book consisting of a plurality of documents is started, the book database is read, first, a hierarchy and a document tree structure are constructed, the document file is opened for the document file, and the internal document structure is changed. Build heading structure under import, hierarchy and document files.
[0020]
When the file screen is displayed, the hierarchy of the one tree structure is traced to display up to the document file. When the heading screen is displayed, the tree structure is traced in units of documents. Thus, the lower layer of the document file, that is, the heading hierarchical structure is extracted and displayed.
[0021]
According to such a configuration, the tree structure of the file display screen and the hierarchical structure of the header screen, for example, the tree structure can be constructed at a time, so that the display time on each screen can be shortened.
[0022]
In addition, since the heading structure in the structured document targeted for the heading screen can be built together with the hierarchical structure of the file management, a plurality of structured documents can be managed by one tree, memory, etc. Can be effectively utilized.
[0023]
Hereinafter, an embodiment of a document processing apparatus configured by applying a document processing method and apparatus according to the present invention will be described in detail with reference to the accompanying drawings.
[0024]
FIG. 1 is a block diagram showing a schematic configuration of an embodiment of a document processing apparatus according to the present invention.
[0025]
1, the document processing apparatus 100 includes a document processing unit 10, a book processing unit 20, a document storage unit 30, an operation unit 40, a display control unit 50, and a display device 60.
[0026]
Here, the document storage unit 30 stores a plurality of documents as a book database, and the book processing unit 20 manages the plurality of documents stored in the document storage unit 30 as a book.
[0027]
That is, the book processing unit 20 includes a book management unit 21 that manages a plurality of documents stored in the document storage unit 30 as a book in one tree structure, and each hierarchy of one tree structure managed by the book management unit 21. The file screen display processing unit 22 that extracts and displays the hierarchical structure of files corresponding to a plurality of documents by tracing the document tree, and the tree structure managed by the book management unit 21 is traced in document units to thereby determine the hierarchical structure of headwords. The headline screen display processing unit 23 for extracting and displaying is provided.
[0028]
Further, the document processing unit 10 is connected to the book processing unit 20, an operation unit 40 for inputting commands and the like related to various processes in the book processing unit 20, and a display control unit 50 for controlling display on the display device 60. Connected to execute processing such as document editing.
[0029]
FIG. 2 is a block diagram showing a specific configuration of the document processing apparatus 100 shown in FIG. The configuration shown in FIG. 1 is centered on a central processing unit (CPU) 11, a ROM (read only memory) storing a control program of the central processing unit (CPU) 11 and the central processing unit (CPU) 11. Main memory unit 12 including a RAM (Random Access Memory) functioning as a work area for the display, a display control unit 50 for controlling display on a display device 60 composed of a CRT display device, etc., and disk control for controlling the disk device 32 A keyboard / mouse control unit 41 that controls the unit 31, the keyboard 42, and the mouse 43 is connected to the bus 70.
[0030]
In the configuration shown in FIG. 2, the disk device 32 corresponds to the document storage unit 30 for storing a plurality of documents shown in FIG. 1, and the keyboard 42 and mouse 43 input various commands shown in FIG. This corresponds to the operation unit 11. The document storage unit 30 and the book processing unit 20 shown in FIG. 1 are realized by the central processing unit (CPU) 11 and the main storage unit 12 in the configuration shown in FIG.
[0031]
FIG. 3 shows an example of a tree structure of books managed by the book management unit 21 of the book processing unit 20 shown in FIG.
[0032]
In FIG. 3, in the book tree structure, a document D1, a group G1, and a document D5 are connected to a lower level of the book BO, and a document D2, a document D3, and a document D3 are connected to a lower level of the group G1.
[0033]
Further, a heading H1 and a heading H2 included in the document D1 are connected to a lower level of the document D1, and a heading H3 and a heading H6 included in the document D3 are connected to a lower level of the document D3. Headings H3 and H4 included in D3 are connected.
[0034]
Further, a heading H7 included in the document D4 is connected to a lower level of the document D4, and a heading H8 and a heading H9 included in the document D5 are connected to a lower level of the document D5. That is, in the book management unit 21 of the book processing unit 20 shown in FIG. 1, the hierarchical structure of a plurality of documents and the hierarchical structure of headwords corresponding to the plurality of documents are managed as one tree structure.
[0035]
FIG. 4 shows a construction process of the tree structure of the book shown in FIG.
[0036]
The book management unit 21 of the book processing unit 20 shown in FIG. 1 reads the book database from the document storage unit 30 shown in FIG. 1 when the book is activated. As shown in the upper side of FIG. 4, the book database is composed of a book hierarchy BCO, a document D1, a group G1, and a document D5 connected to the book database BDB, and a group body GCO and a document connected to the group G1. It consists of a second hierarchy composed of D2, document D3, and document D4.
[0037]
The book management unit 21 constructs a book BO corresponding to the book text BCO of the book database BDB, first constructs a document D1 below the book BO, and then creates a document file of the document D1. Open, read the internal document structure of the document D1, and build a heading structure composed of the heading H1 and the heading H2 included in the document D1 below the document D1.
[0038]
Next, a group G1 is constructed under the book BO, and a document D2 is first constructed under the group G1. Next, the document file of this document D2 is opened, and the internal document structure of this document D2 is read. Here, since the headline is not included in the document D2, a heading structure is not constructed below the document D2.
[0039]
Next, the document D3 is constructed under the group G1, the document file of the document D3 is opened, and the internal document structure of the document D3 is read. Here, since the document D3 includes a heading H3, a heading H4, a heading H5, and a heading H6, a heading structure including a heading H3, a heading H4, a heading H5, and a heading H6 is provided below the document D3. That is, a heading structure including heading H3, heading H6, and heading H4, and heading H5, which are connected to the document D3, is constructed.
[0040]
Next, the document D4 is constructed under the group G1, the document file of the document D4 is opened, and the internal document structure of the document D4 is read. Here, since the document D4 includes the heading H7, a heading structure including the heading H7 is constructed below the document D4.
[0041]
Next, the document D5 is constructed under the book BO, the document file of the document D5 is opened, and the internal document structure of the document D5 is read. Here, since this document D5 includes a heading H8 and a heading H9, a heading structure including the heading H8 and the heading H9 is constructed at a lower level of the document D5.
[0042]
In this way, it is possible to construct a single tree structure as shown in FIG. 3, which includes a hierarchical structure of a plurality of documents and a hierarchical structure of headwords corresponding to the plurality of documents.
[0043]
FIG. 5 shows file screen display processing in the file screen display processing unit 22 of the book processing unit 20 shown in FIG.
[0044]
The file screen display processing unit 22 includes a hierarchical structure of a plurality of documents shown in FIG. 3 constructed by the book management unit 21 of the book processing unit 20 shown in FIG. 1 and a hierarchical structure of headwords corresponding to the plurality of documents. A file screen display process is executed based on a single tree structure.
[0045]
When the file screen display processing unit 22 displays the file screen on the display device 60 shown in FIG. 1, the file screen display processing unit 22 traces each hierarchy of the tree structure shown in FIG. Is extracted and displayed.
[0046]
That is, first, the book BO, the document D1, and the group G1 are traced. Since the document is included in the lower order of the group G1, the trace is performed from the group G1 in the order of the document D2, the document D3, and the document D4.
[0047]
Following the document D4, the document D5, which is the lower order of the book BO, is traced, and the file screen processing in the file screen display processing unit 22 is terminated.
[0048]
In this way, the document D1, the group G1, and the document D5 are connected to the lower order of the book BO, and the document D2, the document D3, and the document D3 are connected to the lower order of the group G1, and for the file screen as shown on the left side in FIG. The tree structure can be extracted.
[0049]
The tree structure for the file screen extracted by the file screen display processing unit 22 is transferred to the display control unit 50 via the document processing unit 10 shown in FIG. 1, and thereby the screen of the display device 60 shown in FIG. A file screen can be displayed above.
[0050]
FIG. 6 shows a heading screen display process in the heading screen display processing unit 23 of the book processing unit 20 shown in FIG.
[0051]
The headline screen display processing unit 23 has a hierarchical structure of a plurality of documents shown in FIG. 3 constructed by the book management unit 21 of the book processing unit 20 shown in FIG. 1 and a hierarchical structure of headwords corresponding to the plurality of documents. The heading screen display process is executed based on a single tree structure.
[0052]
When the heading screen display processing unit 22 displays the heading screen on the display device 60 shown in FIG. 1, the heading screen display processing unit 22 follows the tree structure shown in FIG. The lower layer, that is, the heading hierarchical structure is extracted and displayed.
[0053]
That is, first, the document D1 is traced, and since there are a heading H1 and a heading H2 below the document D1, the heading H1 and the heading H2 are traced next.
[0054]
Next, the document D2 is traced. Since the document D2 has no heading in the lower order, the document D3 is traced next. Since the subordinate D3 of the document has the heading H3 and the heading H6, first, the heading H3 is selected. Followed by heading H5.
[0055]
Next, the heading H6 is traced, and then the document D4 is traced. Here, since there is a heading H7 below the document D4, the heading H7 is followed, and then the document D5 is followed.
[0056]
Here, since the document D5 has a heading H8 and a heading H9 below it, the heading H8 and the heading H9 are followed, and the heading screen extraction processing in the heading screen display processing unit 23 is ended.
[0057]
In this way, the heading H1, the heading H2, the heading H3, the heading H6, the heading H7, the heading H8, and the heading H9 are connected below the book BO, and the heading H4 and the heading H5 are connected below the heading H3 in FIG. A tree structure for the heading screen as shown on the right side can be extracted.
[0058]
The tree structure for the heading screen extracted by the heading screen display processing unit 23 is transferred to the display control unit 50 via the document processing unit 10 shown in FIG. 1, and thereby the screen of the display device 60 shown in FIG. A heading screen can be displayed on the top.
[0059]
FIG. 7 shows a specific display example of the file screen displayed on the screen of the display device 60 shown in FIG. 1 by the file screen display processing by the file screen display processing unit 22 of the book processing unit 20 shown in FIG. Is.
[0060]
As shown in FIG. 7, this book BO includes a document D1, a group G1, and a document D5 as subordinate structures, and the group G1 includes a document D2, a document D3, and a document D4 as subordinate structures. It is shown that. FIG. 7 shows a case where the document D3 included in the group G1 is selected.
[0061]
FIG. 8 shows the heading screen display processing by the heading screen display processing unit 23 of the book processing unit 20 shown in FIG. 1 when the document D3 included in the group G1 is selected on the file screen shown in FIG. 7 shows a specific display example of a heading screen displayed on the screen of the display device 60.
[0062]
As shown in FIG. 8, the document D1 includes headings H1 and H2, the document D3 includes headings H3 and H6, and the subordinate structure of the heading H3 includes headings H4 and H5. In addition, the document D4 includes a heading H6, and the document D6 includes a heading H8 and a heading H9. Here, the heading H3 of the document D3 in the group G1 of the book BO is included. The case where is selected is shown.
[0063]
By the way, in this embodiment, the book management unit 21 of the book processing unit 20 shown in FIG. 1 manages each element of the tree structure by “object node” and “object information”.
[0064]
FIG. 9 shows a detailed configuration of “object node” and “object information” managed corresponding to each element of the tree structure by the book management unit 21 of the book processing unit 20 shown in FIG.
[0065]
That is, as shown in FIG.
1) Pointer to the parent node
2) Pointer to brother node
3) Pointer to brother node
4) Pointer to child node
5) Object type
The "object information"
1) Database key
2) Page number
3) Level
4) Level count
Have information on.
[0066]
Next, an example of how a hierarchical document as shown in FIG. 10 is constructed using the “object node” and “object information” shown in FIG. 9 will be described.
[0067]
FIG. 10 shows an example of a hierarchically structured document constructed by the book management unit 21 of the book processing unit 20 shown in FIG.
[0068]
The book which is a hierarchical document shown in FIG. 10 has a document D1 and a group G1 below the book BO, and a heading H1 and a heading H2 are provided below the document D1. A document D2 is provided below the group G1, a heading H3 is provided below the document D2, and a heading H4 is provided below the heading H3.
[0069]
The document tree structure of such a structure is managed as follows by using the “object node” and “object information” shown in FIG. 9 in the book management unit 21 of the book processing unit 20 shown in FIG. .
[0070]
FIG. 11 shows the “object node” and “object information” of each element of the tree structure managed by the book management unit 21 of the book processing unit 20 shown in FIG.
[0071]
That is, “document D1” is set as a pointer to the child node in the object node corresponding to “book BO”.
[0072]
Further, in the object node corresponding to “document D1”, “book BO” is set as a pointer to the parent node, “group G1” is set as a pointer to the brother node, and “heading” is set as a pointer to the child node. H1 "is set.
[0073]
In the object node corresponding to “Heading H1”, “Document D1” is set as a pointer to the parent node, and “Heading H2” is set as a pointer to the younger brother node.
[0074]
In the object node corresponding to “Heading H2”, “Document D1” is set as the pointer to the parent node, and “Heading H1” is set as the pointer to the brother node.
[0075]
Further, in the object node corresponding to “group G1”, “book BO” is set as the pointer to the parent node, “document D1” is set as the pointer to the older node, and “document” is set as the pointer to the child node. D2 "is set.
[0076]
In the object node corresponding to “document D2”, “group G1” is set as a pointer to the parent node, and “heading H3” is set as a pointer to the child node.
[0077]
In the object node corresponding to “Heading H3”, “Document D2” is set as the pointer to the parent node, and “Heading H4” is set as the pointer to the child node.
[0078]
In addition, “heading H3” is set as a pointer to the parent node in the object node corresponding to “heading H4”.
[0079]
FIG. 12 is a flowchart showing tree structure construction processing in the book management unit 21 of the book processing unit 20 shown in FIG. In FIG. 12, first, the book database stored in the document storage unit 30 is opened (step 101). Then, the opened book database is read (step 102), and a book object is first created (step 103).
[0080]
Next, it is checked whether the book database is at the end (step 104). If it is not the last of the book database (NO in step 104), the next book database is read (step 106), and this book database is read. Correspondingly, group, document, image, and style objects are created (step 106). Here, the image and style objects are created corresponding to, for example, book objects or group objects, and are information indicating the images and styles of documents included in the book or group, respectively.
[0081]
Next, it is checked whether the object created in step 106 is a document (step 107). If the created object is not a document (NO in step 107), the process returns to step 104.
[0082]
If it is determined in step 107 that the object is a document (YES in step 107), then it is checked whether it is the end of the document (step 108). If it is not the end (NO in step 108). ) Since there is a headline, a headline object is created (step 109), and the process returns to step 108.
[0083]
If it is determined in step 108 that the document has reached the end of the document (YES in step 108), the process returns to step 104.
[0084]
In this way, the group, document, image, style object and heading object are created, and if it is determined that the book database is up to the end (YES in step 104), the book database is closed. (Step 110), the tree structure construction process is terminated.
[0085]
【The invention's effect】
As described above, according to the first and second aspects of the present invention, the hierarchical structure of a plurality of documents and the headword hierarchical structure corresponding to the plurality of documents are converted into a single hierarchical structure such as a tree. When constructing as a structure and displaying a file screen, each hierarchy of the above one tree structure is traced to display up to a document file, and when displaying a heading screen, one tree structure is converted to a document unit. By following the above, it is structured to extract and display the hierarchical structure of the headwords, that is, the document file, so that the display time on each screen can be shortened, and resources such as memory can be used effectively. There is an effect that can be done.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of an embodiment of a document processing apparatus according to the present invention.
FIG. 2 is a block diagram showing a specific configuration of the document processing apparatus shown in FIG.
3 is a diagram showing an example of a tree structure of a book managed by a book management unit of the book processing unit shown in FIG. 1;
FIG. 4 is a view for explaining processing for constructing the book tree structure shown in FIG. 3;
FIG. 5 is a diagram for explaining file screen display processing in a file screen display processing unit of the book processing unit shown in FIG. 1;
6 is a diagram for explaining a heading screen display process in a heading screen display processing unit of the book processing unit shown in FIG. 1;
7 is a diagram showing a specific display example of a file screen displayed on the screen of the display device by the file screen display processing by the file screen display processing unit of the book processing unit shown in FIG.
8 is a diagram showing a specific display example of a heading screen displayed on the screen of the display device by the heading screen display processing by the heading screen display processing unit of the book processing unit shown in FIG. 1;
9 is a diagram showing a detailed configuration of “object node” and “object information” managed corresponding to each element of the tree structure in the book management unit of the book processing unit shown in FIG. 1;
10 is a diagram showing an example of a hierarchical document constructed by a book management unit of the book processing unit shown in FIG. 1;
11 is a view showing “object node” and “object information” of each element of the tree structure managed by the book management unit 21 of the book processing unit shown in FIG. 1;
12 is a flowchart showing tree structure construction processing in the book management unit of the book processing unit shown in FIG. 1;
FIG. 13 is a diagram showing an example of a tree structure for a file screen and a tree structure for a header screen used in a conventional document processing method and apparatus.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Document processing part, 11 ... Central processing part (CPU), 12 ... Main memory part, 20 ... Book processing part, 21 ... Book management part, 22 ... File screen display processing part, 23 ... Headline screen display processing part, DESCRIPTION OF SYMBOLS 30 ... Document storage part, 31 ... Disk control part, 32 ... Disk apparatus, 40 ... Operation part, 41 ... Keyboard / mouse control part, 42 ... Keyboard, 43 ... Mouse, 50 ... Display control part, 60 ... Display apparatus, 70 ... Bus, 100 ... Document processing device

Claims (2)

Storing and managing a hierarchical structure of a plurality of documents and a hierarchical structure of a plurality of headwords included in each document of the plurality of documents as one continuous hierarchical structure by a document management means;
By extracting documents included in the hierarchical structure stored and managed by the document management means in order from the top to the bottom by the file screen display processing means, a hierarchical structure of a plurality of documents is extracted, and the hierarchical structure of the extracted documents is a file. As a screen,
The headwords included in each document included in the hierarchical structure stored and managed by the document management means are extracted from the top document in order of each document by headline screen display processing means to extract the headword hierarchical structure, A document processing method, wherein the hierarchical structure of the extracted headwords is displayed as a headline screen . Document management means for storing and managing a hierarchical structure of a plurality of documents and a hierarchical structure of a plurality of headwords included in each document of the plurality of documents as one continuous hierarchical structure ;
A file screen for extracting a hierarchical structure of a plurality of documents by sequentially tracing documents included in the hierarchical structure stored and managed by the document management means from the top to the bottom, and displaying the extracted hierarchical structure of the documents as a file screen. Display processing means;
The headwords included in each document included in the hierarchical structure stored and managed by the document management means are sequentially tracked from the upper document in units of each document to extract the headword hierarchical structure, and the extracted headwords A document processing apparatus comprising: a header screen display processing means for displaying a hierarchical structure as a header screen .

Images