JP3447534B2 - Information access device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information access device, a method and a recording medium for recording a program, and more particularly to an information access device, a method and a recording medium for recording a program using a table of contents used in an information providing service.

[0002]

2. Description of the Related Art Information access methods used in conventional information providing services are typified by Yahoo (http://www.yahoo.com/), services that use a table of contents, full-text search and keywords. Search services such as search and their combinations were the main focus. Services that use the table of contents reduce maintenance costs when updating search target documents,
Maintaining the quality of the table of contents when documents are frequently updated has been an issue. In search services, reducing the burden on the user when creating search conditions has been an issue.

[0003]

The above-mentioned conventional information access device, method, and recording medium for recording a program are mainly composed of a service using a table of contents, a search service such as full-text search and keyword search, and a combination thereof. In the case of the service using the table of contents, the table of contents and the link between the table of contents and the document are manually maintained, so that there is a problem that the maintenance cost when the document or the table of contents is updated is high. In addition, in the case of search services such as full-text search and keyword search, because the maintenance cost for updating documents or table of contents is high, it is not possible to provide a table of contents suitable for the search target, or it is limited to providing information by searching. Therefore, there is a problem that the user has to bear a heavy load when creating a search condition for detecting valuable information from these.

An object of the present invention is to provide an information access device and a recording medium for recording a program and an information access device, which does not require maintenance of a table of contents and a link between the table of contents and a document, is economical and has a high quality of service to users. To do.

[0005]

An information access apparatus according to the present invention includes a table-of-contents storage unit for storing a table-of-contents having a tree structure or a network structure capable of tracing a high-order table of contents and a low-order table of contents.
A question storage unit that stores a search question corresponding to each item of an arbitrary table of contents in the table of contents, a document storage unit that stores a document reference number and a document, and a document reference number and a document title that correspond to an arbitrary document And a document index storage unit that stores a document index for searching the arbitrary document by a search query, an output unit that has a display and displays an arbitrary table of contents or document title list or document, and a mouse. An input unit for inputting a request for any one of a lower table of contents, a document title list, and a document by designating a location on the display based on the table of contents displayed on the display of the output unit;
Table of Contents Oh from in the request according to the determination to determine the contents of a whether the request of the is or document request of the request and are either document title list of interprets the request contents of the lower table of contents to the input of the input unit
Or an input interpreting unit for extracting a document reference number, and when the input interpreting unit discriminates a request for a lower table of contents and extracts a table of contents from the request, a lower layer of the table of contents storage unit is extracted based on the extracted table of contents. When a table of contents search section that searches the table of contents and the input interpretation section determine that a document title list is requested and a table of contents is extracted from the request, a search question is searched from the question storage section based on the extracted table of contents. And a document search unit for searching the document title list from the document index storage unit based on the search question searched by the question search unit, and a request for determining a document request by the input interpretation unit. When a document reference number is extracted from the inside, a document reference unit that refers to the document from the document storage unit based on the extracted document reference number is provided.

The information access apparatus of the present invention has a table-of-contents storage unit for storing a table-of-contents having a tree structure or a network structure capable of tracing a high-order table of contents and a low-order table of contents, and an item of an arbitrary table-of-contents of the table of contents. A question storage unit that stores a corresponding search question, a document storage unit that stores a document reference number and a document, a document reference number and a document title that correspond to an arbitrary document, and search the arbitrary document by the search question. A document index storage unit for storing a document index for searching, an output unit having a display for displaying an arbitrary table of contents or a document title list or a document, and a table of contents displayed by a display of the output unit having a mouse. By designating a location on the display based on the above, a request for any one of the lower table of contents, the document title list, and the document is made. An input unit that force, from among the requests according to the determination to determine contents and whether a request is a one document request requesting a is either document title list interprets the request content lower table of contents to enter the input section An input interpreting unit for extracting a table of contents, a search question, or a document reference number, and a table of contents storing unit based on the extracted table of contents when the input interpreting unit discriminates a request for a lower table of contents and extracts the table of contents from the request. From the table of contents to search a lower table of contents from the question storage unit based on the lower table of contents searched by the table of contents search unit, and a document title list request from the input interpreter. When a search question is extracted from the request, the document search unit that searches the document title list from the document index storage unit based on the extracted search question, and the input interpretation unit. A document reference number which is the extracted when extracting the document reference number from determines that write request requests based on a configuration and a document reference section for referring to the document from the document storage unit.

In the information access method of the present invention, the document reference number and the document are stored in the document storage section, the document reference number, the document title and the document index are stored in the document index storage section, and the table of contents storage section is stored. The table of contents having a tree structure or a net structure capable of tracing the upper table of contents and the lower table of contents is stored, and the search question corresponding to each of the items of the arbitrary table of contents is stored in the question storage unit. ,
By displaying an arbitrary table of contents on the display of the output unit and designating a place on the display based on the table of contents or the document title list displayed on the display of the output unit from the input unit having a mouse, the lower table of contents or A request for a document title list or a document is made, and the input interpretation unit interprets the request content input by the input unit to determine whether it is a request for a table of contents, a request for a document title list, or a request for a document. When a table of contents or a document reference number is extracted from the request according to the above, the input interpreting unit determines that the request is a lower table of contents, and the table of contents is extracted from the request, the table of contents search unit is based on the extracted table of contents. Then, the lower table of contents is searched from the table of contents storage section, and the input interpreting section discriminates the request for the document title list, and extracts the table of contents from the request. In this case, the question search unit searches the question storage unit for a search question based on the extracted table of contents, and the question search unit uses the document search unit to search the document index storage unit based on the retrieved search question. When a document title list is searched from the document, the input interpreter determines that the document is a request, and a document reference number is extracted from the request, the document reference unit uses the extracted document reference number to cause the document storage unit to extract the document reference number. A document title list or a document holding an arbitrary table of contents or document reference number is displayed on the display of the output unit, and the dialog is repeated until the required result is obtained by the input unit and the output unit. I try to process it.

In the information access method of the present invention, the document reference number and the document are stored in the document storage section, the document reference number, the document title and the document index are stored in the document index storage section, and the table of contents storage section is stored. The table of contents having a tree structure or a net structure capable of tracing the upper table of contents and the lower table of contents is stored, and the search question corresponding to each of the items of the arbitrary table of contents is stored in the question storage unit. ,
An arbitrary table of contents holding a search question is displayed on the display of the output section, and a location is specified on the display from the input section having a mouse based on the table of contents or the document title list displayed on the display of the output section. there is in the lower table of contents, or make a request of the document title list or document, interprets the input to request the contents of the input unit at the input interpretation section of the request and is one document of the request a is whether the document title list of table of contents required by Determine if
When a table of contents, a search question, or a document reference number is extracted from the request according to the content of the determination, and the input interpretation unit determines that the request is a lower table of contents and extracts the table of contents from the request, the extracted table of contents is used as the basis. Then, the table-of-contents search unit searches a lower-level table of contents from the table-of-contents storage unit, and the question search unit searches the question storage unit for a search question based on the lower-level table of contents searched by the table-of-contents search unit. When it is determined that the document title list is requested and the search question is extracted from the request, the document search section searches the document title list from the document index storage section based on the extracted search question, and the input interpretation is performed. When a document reference number is extracted from the request by the copy unit and the document reference number is extracted from the request, the document reference unit refers to the document from the document storage unit based on the extracted document reference number. , A document title list or document holding an arbitrary table of contents or document reference number holding a search question is displayed on the display of the output unit, and interactively repeated until the required result is obtained by the input unit and the output unit. I am trying to process it.

A recording medium for recording a program of the present invention is a recording medium for recording a program executed by a computer, in which a document reference number and a procedure for storing a document in a document storage unit, and a document reference number in a document index storage unit. A procedure for storing a document title and a document index, a procedure for storing a table of contents having a tree structure or a net structure capable of tracing a high-order table of contents and a low-order table of contents in the table-of-contents storage unit, and any of the above-mentioned table of contents in the question storage unit. A procedure for storing a search question corresponding to each item of the table of contents, a procedure for displaying an arbitrary table of contents on the display included in the output unit, and a table of contents or a document displayed on the display included in the output unit from the input unit including a mouse. By specifying a location on the display based on the title list, the sub-table of contents or document title list A procedure for the bets or document request, the interpreting input request contents of the input unit to determine whether the request is a request in which either the document requested in which one document title list of contents in input interpreter, discrimination contents According to the procedure for extracting the table of contents or the document reference number from the request, and when the input interpreting unit discriminates the request as the lower table of contents and extracts the table of contents from the request, the table of contents is based on the extracted table of contents. A procedure for searching a lower table of contents from the table of contents storage section by the search section, and a question search based on the extracted table of contents when the input interpretation section determines that the request is for a document title list and extracts the table of contents from the request. And a procedure for retrieving a retrieval question from the question storage unit by the document retrieval unit, and a document title retrieval from the document index storage unit by the document retrieval unit based on the retrieved retrieval question in the question retrieval unit. The procedure for retrieving a document from the document storage unit by the document reference unit based on the extracted document reference number when the input interpretation unit determines that the document is requested and the document reference number is extracted from the request. A procedure for referring to a document, a procedure for displaying a document title list or a document holding an arbitrary table of contents or a document reference number on the display of the output unit, and the input unit and the output unit can obtain the required result. This is a configuration including a procedure for repeatedly performing interactive processing up to.

A recording medium for recording a program of the present invention is a recording medium for recording a program executed by a computer, in which a document reference number and a procedure for storing a document in a document storage section and a document reference number in a document index storage section are stored. A procedure for storing a document title and a document index, a procedure for storing a table of contents having a tree structure or a net structure capable of tracing a high-order table of contents and a low-order table of contents in the table-of-contents storage unit, and any of the above-mentioned table of contents in the question storage unit. A procedure for storing a search question corresponding to each item of the table of contents, a procedure for displaying an arbitrary table of contents holding the search question on a display included in the output unit, and a display on the display included in the output unit from an input unit having a mouse There is a lower table of contents by specifying a location on the display based on the created table of contents or document title list. A procedure for requesting the document title list or document, the interprets the inputted request content input unit discriminated whether the request is a one document request and is either a document request title list of contents in input interpreter , A procedure for extracting a table of contents, a search question, or a document reference number from the request according to the content of the discrimination, and the extracted table of contents when the table of contents is extracted from the request when the input interpreting unit discriminates the request as the lower table of contents Based on the procedure for searching the lower-level table of contents from the table-of-contents storage unit by the table-of-contents search unit and the lower-level table of contents searched by the table-of-contents search unit, the question search unit searches for the search question from the question storage unit. When the procedure and the input interpreting unit determine that the document title list is requested and a search question is extracted from the request, the document searching unit extracts the document based on the extracted search question. The procedure for retrieving the document title list from the index storage unit and the document reference unit based on the extracted document reference number when the input interpretation unit determines that the document is requested and the document reference number is extracted from the request A procedure for referring to a document from the document storage unit, a procedure for displaying a document title list or a document holding an arbitrary table of contents or a document reference number holding a search question on the display of the output unit, and the input unit. And a procedure for repeatedly performing interactive processing until a required result is obtained by the output unit.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the first and second embodiments of the present invention.

Referring to FIG. 1, in the first and second embodiments of the present invention, an input unit 1 made up of a mouse, an output unit 2 made up of a display, and an input interpretation unit 3 for interpreting an inputted request. , A table of contents storage unit 4 for storing a table of contents having a structure, a table of contents search unit 5 for searching a lower table of contents from the table of contents storage unit 4, a question storage unit 6 for storing a search question corresponding to the table of contents, and a question storage unit 6, a question search unit 7 that searches for a search question corresponding to the table of contents, a document index storage unit 8 that stores a document title and a document index, and a document search unit 9 that searches a document title list that matches the search question.
And a document storage unit 10 for storing the document reference number and the document,
A document reference unit 11 for referring to a document based on the document reference number.

Next, the details of the function of each unit will be described. Input section 1
Inputs a lower table of contents, a document title list, or a request for a document by designating a place on the display based on the table of contents displayed on the output unit 2 with a mouse.

The output unit 2 has a display and displays a part or all of the table of contents, a document title list or a document.

The input interpreting unit 3 determines whether the input request is a request for a lower table of contents, a request for a document title list, or a request for a document. Extract the search question or document reference number.

The table-of-contents storage unit 4 stores a table-of-contents having a tree structure or a net structure capable of tracing the upper table of contents and the lower table of contents.

The table-of-contents search unit 5 searches the table-of-contents storage unit 4 for a lower-level table of contents based on the table of contents in the request.

The question storage unit 6 stores search questions corresponding to some or all of the items in the table of contents.

The search question corresponds to a search expression for full-text search, an SQL expression for a relational database, or a search question vector used in the vector space method.

The question retrieval unit 7 retrieves a retrieval question from the question storage unit 6 based on the table of contents in the request.

The document index storage unit 8 stores a document reference number and a document title corresponding to the document and a document index for searching the document by a search query. The index corresponds to a full-text search index, a relational database index, or a document vector expression used in the vector space method.

The document retrieval unit 9 retrieves a document title list that matches the obtained retrieval question.

The document storage unit 10 stores the document together with the document reference number.

The document reference section 11 searches for a document based on the document reference number.

Next, the operation of the first embodiment of the present invention will be described. FIG. 2 is a flowchart explaining the operation of the first embodiment of the present invention. The description will be given along the flow of FIG. 2 using the names and reference numerals of FIG.

It is assumed that the following data is stored in advance in each storage unit and the initial data is output to the output unit. First, a structured table of contents is stored in the table of contents storage unit 4, a search question corresponding to the table of contents is stored in the question storage unit 6, and a document reference number and a document title are stored in the document index storage unit 8. And the document index are stored, the document reference number and the document are stored in the document storage unit 10, and the initial table of contents is output to the output unit 2 including a display.

The operation is started from this state. First, when a request is made from the input unit 1 in step (hereinafter referred to as S) 1, the input interpretation unit 3 interprets the request content. At this time, there are three possible methods depending on the result of the interpretation. ,
In S2, the input interpretation unit 3 determines whether the input request is the request for the first lower table of contents. When it is determined that the request is the request for the first lower table of contents, the table of contents is extracted from the request content and sent to the table of contents search unit 5 in S3. Next, the table-of-contents search unit 5 searches the table-of-contents unit 4 for a lower-level table of contents based on the table of contents transmitted in S4, and in S5, displays the list of lower-level tables of contents obtained as a result of the search on the display of the output unit 2. Output and return to S1.

If the determination result in S2 is not the first method, the input interpreter 3 determines that the input request is 2 in S6.
It is determined whether the request is the second document title list. When it is determined that the request is the request for the second document title list, the table of contents is extracted from the request content and sent to the question search unit 7 in S7. Next, the question retrieval unit 7 retrieves the retrieval question from the question storage unit 6 based on the table of contents transmitted in S8, and then in S9, the document title list that matches the retrieval question obtained in the previous retrieval. Is searched from the document index storage unit 8, the document title list obtained as a result of the search is output to the display of the output unit 2 in S10, and the process returns to S1.

If the result of the determination in S6 is not the second method, it is determined that the request is a document.
In step 1, the document reference number is extracted from the request content, and the document reference unit 11
Send to. Next, the document reference unit 11 acquires the document from the document storage unit 10 based on the document reference number sent in S12, and outputs the document obtained as a result of the search to the display of the output unit 2 in S13. Then, in S14, it is determined whether or not the operation is ended. If the operation is not ended, the process returns to S1 and the operation is continued. If it is determined that the operation is ended, the operation is ended.

Next, the operation of the second embodiment of the present invention will be described. FIG. 3 is a flow chart for explaining the operation of the second embodiment of the present invention. The description will be given along the flow of FIG. 3 using the names and reference numerals of FIG.

Similar to the first embodiment, it is assumed that the following data is stored in advance in each storage unit and the initial data is output to the output unit. First, the table of contents storage unit 4
A structured table of contents is stored in the table, a search question corresponding to the table of contents is stored in the question storage unit 6, and a document reference number, a document title, and a document index are stored in the document index storage unit 8. The document reference number and the document are stored in the document storage unit 10, and the initial table of contents is output to the output unit 2 including a display.

The operation is started from this state as in the first embodiment. First, when a request is made from the input section 1 in S21, the request interpretation section 3 interprets the request content. At this time, there are three possible methods depending on the result of the interpretation. Determines whether the input request is a request for the first lower table of contents. If it is determined that the request is the first lower table of contents request,
In S23, the table of contents is extracted from the request content and sent to the table of contents search unit 5. Then, the table-of-contents search unit 5 searches the table-of-contents storage unit 4 for a lower-level table of contents based on the table of contents sent out in S24, and sends it to the question search unit 7. Next, the question retrieval unit 7 retrieves a retrieval question from the question storage unit 6 based on the lower table of contents sent out in S25, and subsequently in S26, the lower order obtained on the display of the output unit 2 by the previous retrieval. The table of contents and the search question are output, and the process returns to S21.

If the result of the determination in S22 is not the first method, the input interpreter 3 determines in S27 whether the input request is the request for the second document list.
When it is determined that the request is a request for the second document list, a search question is extracted from the request content in S28 and sent to the document search unit 9. Next, in S29, a list of document titles matching the search question obtained by the document search unit 9 is searched, in S30, the document title list obtained as a result of the search is output to the display of the output unit 2, and in S21. Return.

If the determination result in S27 is not the second method, it is determined that the request is a document.
In step 31, the document reference number is extracted from the request content, and the document reference part 1
Send to 1. Next, the document reference unit 11 acquires the document from the document storage unit 10 based on the document reference number sent in S32, and outputs the document obtained as a result of the search to the display of the output unit 2 in S33. Then, in S34, it is determined whether or not the operation is ended. If the operation is not ended, S21
The operation is continued by returning to and the operation is ended when it is determined that the operation is completed.

Next, an embodiment of a recording medium for recording the program of the present invention will be described.

FIG. 4 is an explanatory diagram for explaining an embodiment of a recording medium for recording the program of the present invention.

The system shown in FIG. 4 is an example of a system to which the information access device and method of the present invention are applied.

First, this system includes a client computer 20 and a data server computer 21. The client computer 20 is the input / output device 2
2 and a storage device 23. The storage device 23 includes a recording medium 24. The data server computer 21 includes a storage device 25.

Here, the relationship with FIG. 1 is shown.

The input / output device 22 indicates the input unit 1 and the output unit 2, and the storage devices 23 and 25 include the index storage unit 4, the question storage unit 6, and the document index storage unit 8.
And the document storage unit 10.

The same data is stored in both the data 26 stored in the storage device 23 and the data 27 stored in the storage device 25, and a table of contents having a structure and
It contains the search question corresponding to the table of contents, the document title and document index, the document reference number and the document.

The program 28 recorded on the recording medium 24
Is an input interpreter 3 that interprets the input request, a table of contents search unit 5 that searches the table of contents storage unit 4 for a lower table of contents, and a question search unit 7 that searches the table of contents storage unit 4 for a search question corresponding to the table of contents. The functions include a document search unit 9 that searches a document title list that matches a search question, and a document reference unit 11 that references a document based on a document reference number.

[0044]

As described above, according to the present invention, the structured table of contents is stored in the table of contents storage unit, the search question corresponding to the table of contents is stored in the question storage unit, and the document reference number is stored in the document index storage unit. And the document title and the document index are stored, the document reference number and the document are stored in the document storage unit, the initial table of contents is output to the output unit, and the input unit requests the document title list. The table of contents is extracted from the request contents by the and sent to the question search unit. Based on the obtained table of contents, the question search unit searches the question storage unit for the search question, and the document search unit matches the obtained search question. Since the document title list to be searched is searched and the obtained document title list is output to the output unit, maintenance of the table of contents and the link between the table of contents and the document is not required, and the document or the table of contents is updated. Effect that it is possible to reduce the maintenance cost of the time was there. Also, as a result,
Even if the update frequency of the document is high, it is possible to provide a table of contents suitable for the search target, which has the effect of improving the quality of service.

[Brief description of drawings]

FIG. 1 is a block diagram showing first and second embodiments of the present invention.

FIG. 2 is a flowchart illustrating the operation of the first exemplary embodiment of the present invention.

FIG. 3 is a flowchart illustrating the operation of the second exemplary embodiment of the present invention.

FIG. 4 is an explanatory diagram illustrating an embodiment of a recording medium for recording the program of the present invention.

[Explanation of symbols]

1 Input section 2 Output section 3 Input interpretation section 4 Table of contents storage 5 Contents search section 6 question storage 7 Question search section 8 Document index storage 9 Document Search Department 10 Document storage 11 Book Reference Section 20 client computers 21 Data server computer 22 I / O device 23,25 storage device 24 recording media 26,27 data 28 programs

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-5-89173 (JP, A) JP-A-8-115334 (JP, A) JP-A-9-34906 (JP, A) JP-A-4- 317172 (JP, A) JP 63-286929 (JP, A) JP 4-114277 (JP, A) JIII Journal of Technical Disclosure 93-9468 Akio Miyai et al. Development, Information Processing Society of Japan 54th Annual Conference Proceedings, P.P. 125-126 (58) Fields investigated (Int.Cl. ⁷ , DB name) G06F 17/30

Claims (2)

(57) [Claims] 1. A table-of-contents storage unit for storing a table-of-contents having a tree structure or a net-structure capable of tracing an upper table of contents and a lower table of contents, and a search question corresponding to each item of an arbitrary table of contents of the table of contents. A question storage unit, a document storage unit that stores a document reference number and a document, a document reference number and a document title corresponding to the document stored in the document storage unit, and search the arbitrary document by a query A document index storage unit that stores a document index for searching, an output unit that has a display and displays a table of contents or a document title list or a document that has received a display instruction , and a display of a display that the output unit has a mouse By designating a place on the display based on the table of contents, one of the lower table of contents, the document title list, and the document is selected. An input unit for inputting a request, and interpreting the content of the request input by the input unit to determine whether it is a request for a lower table of contents, a request for a document title list, or a request for a document. An input interpreting unit that extracts a table of contents or a document reference number from the inside, and when the input interpreting unit determines that a request for a lower table of contents and extracts the table of contents from the request, the table of contents storing unit based on the extracted table of contents. Search the lower table of contents from
When a table of contents search section to be displayed on the output section and the input interpretation section discriminates a request for a document title list and extracts a table of contents from the request, a search question from the question storage section based on the extracted table of contents Based on the search query searched by the question search unit, and a document title list is searched from the document index storage unit, and the searched document title list is displayed on the output unit.
When the document retrieval unit that determines the document request number is extracted by the input interpretation unit and the document reference number is extracted from the request, the document is read from the document storage unit based on the extracted document reference number , Out
An information access device, comprising: a document reference unit to be displayed on the output unit . 2. A table-of-contents storage unit for storing a table-of-contents having a tree structure or a network structure capable of tracing a higher-level table of contents and a lower-level table of contents, and a question-storing unit for storing a search question corresponding to each of the items of the table of contents. A document storage unit for storing a document reference number and a document, a document reference number and a document title corresponding to the document stored in the document storage unit, and a document for searching the arbitrary document by a search query A document index storage unit that stores an index, an output unit that has a display and displays a table of contents or a document title list or a document that has received a display instruction, and a table of contents displayed on the display of the output unit that has a mouse Input a request for any one of the lower table of contents, the document title list, and the document by designating the location on the display. The input section interprets the request content input by the input section and determines whether it is a request for a lower table of contents, a request for a document title list, or a request for a document. An input interpreting unit that extracts a search question or a document reference number, and when the input interpreting unit determines that a lower order table of contents is requested and extracts the table of contents from the request, the lower level of the table of contents storage unit is based on the extracted table of contents. Search the table of contents and display it in the output section.
A table of contents search unit, a question search unit that searches for a search question from the question storage unit based on the lower table of contents searched by the table of contents search unit, and a request of a document title list determined by the input interpretation unit. When a search question is extracted from the inside, a document title list is searched from the document index storage section based on the extracted search question, and a document search section to be displayed on the output section, When it is determined that the request is a request and the document reference number is extracted from the request, the document is read from the document storage unit based on the extracted document reference number , and the output is performed.
An information access device, comprising: a document reference unit to be displayed on the output unit .