JPH05189488A - Method and device for retrieving document - Google Patents

Abstract

PURPOSE:To provide the method and device for retrieving documents easy to select keywords and requiring the short retrieval time. CONSTITUTION:The list of the name of the document and the content of the specified document are displayed on the screen of a display section with the special codes added to keywords in the document. (steps 6 and 10) A document name table associating the lists and keywords of the name of the document on the screen with the coordinates on the screen and a retrieval control table are prepared (steps 7 and 11) and referred to (steps 8 and 2). The document is specified on the screen (step 1). While checking the content of the document, the keyword is selected on the screen (step 1).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document search method and apparatus, and more particularly to a document search method and apparatus that facilitates searching for a desired document. Examples of documents include patent information,
Examples include newspaper articles and computer programs. Further, even a drawing or the like can be used for a thing including characters.

[0002]

2. Description of the Related Art A document retrieval method and apparatus extracts a keyword characterizing the content of each document in advance, associates each keyword with a set of documents including the keyword, and retrieves the document to be retrieved. The search is performed by selecting a plurality of keywords that are considered to be included in the above and obtaining a product set of sets of documents associated with the respective keywords.

In the past, some keywords were selected from the ones that came to mind from the experience so far, some of the selected keywords were input with a keyboard or the like, and the keywords were searched to find the corresponding document. If there are too many, add more keywords that come to mind and, on the contrary,
If the number of relevant documents is too small, the number of keywords is reduced and the search is performed. When the appropriate number of relevant documents is reached, the relevant document is output, the content of the document is checked, and the document required It was a method and device that proceeded with the search by a procedure of determining whether or not there was.

[0004]

However, it is difficult to select keywords with such a document search method and apparatus, and trial and error must be performed to obtain an optimum combination of keywords. If the number of keywords is large, the time for trial and error becomes long, and the search time becomes long.

An object of the present invention is to solve the above-mentioned problems of the conventional document retrieval method and apparatus, to facilitate the selection of a keyword, and to provide a document retrieval method and apparatus which can shorten the retrieval time. That is.

[0006]

In order to solve the above-mentioned problems, in the document search method of the first invention, a keyword provided in advance, an index corresponding to the keyword, and a document including the keyword in the document are provided. Documents are searched using a keyword table consisting of name lists. Then, the content of the document is displayed on the screen with a special code indicating that the keyword is a keyword among the content. In addition, a search control table is created that includes all keywords included in the content of the displayed document, coordinate information of the keywords on the screen, and an index corresponding to the keywords. Therefore, if a desired keyword is selected while looking at the contents of the document displayed on the screen, the index corresponding to the keyword is found from the search control table based on the coordinate information on the screen of the selected keyword. Then, a document having a desired keyword is searched from the keyword table using the index.

Further, the document searching apparatus of the second invention is a means for displaying a part or the whole of a list of predetermined document names on the screen, and when a desired document name is selected from the list, A means for displaying on the screen the contents of the document corresponding to the document name at the same time as the list and a special code attached to a predetermined keyword appearing in the document, and a means for displaying the keyword appearing on the screen. A means for displaying on the screen a part or all of a new list of document names of documents having all the selected keywords from the list when a desired one is selected from the list, and a means for displaying the new list. When a desired document name is selected from among the contents, the contents of the document corresponding to the desired document name and the special code attached to a predetermined keyword appearing in the document are added together with the new list. Table on screen And means for.

[0008]

With the above structure, the document search method according to the first aspect of the present invention searches for a document by selecting a keyword on the screen while observing the contents of the document displayed on the screen. I do.

Further, in the document retrieval apparatus of the second invention, a list of predetermined document names is displayed on the screen, and when a desired document name is selected from the list, it corresponds to the document name. The contents of the document to be displayed are displayed on the screen. At that time, a keyword in the content of the document is displayed with a special code so that it can be recognized as a keyword. When a keyword is selected while viewing the contents of the document on the screen, the list of document names is updated based on the selected keyword, and a new list of document names is displayed on the screen. When a desired document name is newly selected from the new list, the contents of the document corresponding to the desired document name together with the new list are displayed with the special code added to the keyword as described above. Displayed above.

[0010]

1 is a block diagram showing an embodiment of the present invention. The display unit 3 displays the contents of the document together with the document name list. A keyword in the content of the document is attached with a special code indicating that it is a keyword. The search file 4 stores a keyword table created in advance. In the keyword table, as shown in Table 1, each keyword is associated with a document including the keyword.

[0011]

[Table 1]

The document file 5 stores documents to be searched. Then, in the document to be searched,
An index in the keyword table of the keyword is written in association with each keyword. Figure 2
Shows an example of a document stored in the document file 5. The input unit 1 selects a keyword or document name on the screen of the display unit 3. The search unit 2 reads out the document selected by the input unit 1 from the document file 5 and sends it to the display unit 3, and at the same time, a search composed of all the keywords included in the document, coordinate information on the screen regarding the keywords, and an index. Create a control table. The coordinate information is composed of the representative point (x, y) in the area where the keyword is displayed and the width in the x-axis direction from that point, and the area size can be determined without being bothered by the character size and the number of characters. It can be set freely.
The height in the y-axis direction is constant. Table 2 shows an example of the search control table.

[0013]

[Table 2]

Further, the search unit 2 creates a document name list of documents including all the keywords selected by the input unit 1 by taking a product set of the document name lists including each keyword, and the created document name list is created. The document name list is sent to the display unit 3, and a document name table composed of the document names included in the document name list and the coordinate information on the screen of the document names is created. Table 3 shows an example of the document name table.

[0015]

[Table 3]

FIG. 3 is a flow chart showing the control flow of one embodiment of the present invention. The keyword or document name on the screen is selected by the input unit 1. When a keyword or document name is selected by the input unit 1, coordinate information on the screen corresponding to the selected keyword is input to the search unit 2. For example, specify the keyword displayed on the screen with the mouse and click the mouse button (step
1) and the coordinate information of the mouse are input to the search unit 2. A search control table is created in the search unit 2 when the content of the document is displayed on the display unit 3. When the coordinate information corresponding to the keyword is input to the search unit 2, the search control table is displayed. With reference, the index corresponding to the coordinate information (that is, the keyword) is obtained (step).
2). The search unit 2 refers to the search file 4 in which the keyword table is stored based on the index, and extracts the document name list corresponding to the index (step).
3). Then, an operation for taking the intersection with the document name list corresponding to another index (that is, the keyword) already extracted is performed (step 4), and a document name list consisting of the document names of the documents including all the selected keywords is newly created. (Step 5). The document name list is displayed on the display unit 3
Is displayed and displayed (step 6), and a document name table is created (step 7).

Further, when the document name displayed on the screen is designated by the mouse and the mouse button is clicked (step
p1), the coordinate information of the mouse is input to the search unit 2. A document name table is created in the search unit 2 when the document name list is displayed on the display unit 3. When the coordinate information corresponding to the document name is input to the search unit 2, the document name table is displayed. (Step 8), the document with the document name corresponding to the coordinate information is read from the document file 5 (st
ep9), the search control table is created together with the display on the display unit 3 (step 10) (step 11).

Since the document retrieval apparatus of the present invention has the above-described configuration and operation, the person who conducts the retrieval looks at the screen on which the document name list and the contents of the document are displayed, and the progress status of the retrieval ( The document name or the keyword may be selected on the screen while determining the direction. FIG. 4 shows an example of a screen when the document name list and the contents of the document with the document name "63-88198 running control device" in the document name list are displayed and the keyword "Fuzzy inference" on the screen is selected. Keywords are underlined. Search unit 2
Searches for and creates a new document name list based on the keyword selected in the input unit 1. FIG. 5 shows an example of a screen displaying a newly created document name list. The person performing the search is shown in FIG.
See the screen of and determine the search status from the document name and the number of documents. Then, further narrowing down the number of cases, and adding the keyword "control" to the keyword when the document name list of FIG. 5 was searched / created, the search result is shown in the screen example shown in FIG. become that way. Also,
The person who performs the search wants to see the screen of FIG. 6 and select a document other than the document whose contents are displayed in FIG. 6 from the document name list obtained in FIG. 6 and display the contents on the screen. At this time, for example, in order to display the content of the document name “62-91641 hot blast stove control method”, the document name “62
-91641 Hot blast stove control method "is selected and entered, the screen example shown in FIG. 7 is obtained.

[0019]

According to the present invention, since the document name list and the content of the document including the keyword which is identified as the keyword are both displayed on the screen, it is easy to judge the progress of the search.・ Because it becomes appropriate and those keywords can be selected on the screen, it becomes easy to select keywords, input work is reduced, and search time can be shortened.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a document stored in a document file 5.

FIG. 3 is a flowchart showing a control flow of an embodiment of the present invention.

FIG. 4 is a diagram showing an example of a screen when a keyword is selected by the input unit 1.

FIG. 5 is a diagram showing an example of a screen on which a result of a search performed by a search unit 2 is displayed.

FIG. 6 is a diagram showing an example of a screen in which a keyword is added and a result of a search performed again by the search unit 2 is displayed.

FIG. 7 is a diagram showing an example of a screen on which a document in the document name list obtained as a result of another search is selected and the content thereof is displayed.

[Explanation of symbols]

 1 input section 2 search section 3 display section 4 search file 5 document file

Claims (2)

[Claims] 1. A document search method for searching a document by using a keyword table comprising a keyword provided in advance, an index corresponding to the keyword, and a document name list including the keyword in the document, the method comprising: Displaying the content of the document on the screen by adding a special code to the keyword of the content (step 10), all keywords included in the content of the displayed document, and coordinate information on the screen of the keyword. And a step of creating a search control table composed of an index corresponding to the keyword (st
and a step of selecting a desired keyword from the contents of the document displayed on the screen (step 1).
A step of referring to the index corresponding to the keyword from the search control table based on the coordinate information on the screen of the selected keyword (step 2), and a desired index from the keyword table using the referenced index. Searching for documents with keywords (st
ep3,4,5)). 2. A means for displaying a part or all of a list of predetermined document names on a screen, and, when a desired document name is selected from the list, corresponds to the list and the document name at the same time. Means for displaying on the screen the content of the document and a special code attached to a predetermined keyword appearing in the document, and when a desired one is selected from the keywords appearing on the screen A means for displaying on the screen a part or all of a new list of document names of documents having all the selected keywords from the list, and selecting a desired document name from the new list And a means for displaying, on the screen, the contents of the document corresponding to the desired document name and the special code attached to a predetermined keyword appearing in the document simultaneously with the new list. Document retrieval device.