JP2012226492A - Document information providing device, document browsing terminal and method, and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device or a terminal configured such that a document consisting of only pages including a specific keyword is created as a document in data format, only a desired place to be read can be read, and the load of processing on the terminal is lightened by making the file size small.SOLUTION: A document information storage part 1A is stored with division document data generated by dividing document data in a predetermined file format into pages while text data included in the division document data are related. On receiving a request to retrieve division document data from a document browsing terminal 2 together with a keyword, a division document data extraction part 105 refers to the document information storage means 1A so as to extract the division document data related to the text data including the keyword. A merging processing part 106 merges the extracted division document data to generate merged document data, which is provided to the document browsing terminal 2.

Description

  The present invention relates to a technique for browsing a page including a specified keyword in a data format document.

Currently, various documents such as product catalogs and instruction manuals are converted into data and provided so that they can be viewed on various terminals.
However, there are many cases where such a document covers an enormous number of pages, and in particular, it is often inconvenient because the data size is too large for browsing on a mobile terminal.

  In particular, there has been a demand for displaying a location to be browsed accurately and quickly, for example, when making a business talk with a business partner while displaying a product catalog on a terminal.

In this regard, Patent Document 1 is a document search method for storing and searching for information contained in at least one page of a document part, the step of generating image data indicating information contained in the document part, and an image data part In the first storage unit, generating text data indicating the text part of the information included in the document part, storing the text data in the second storage part, and each word in the document part Generating a table having data indicating coordinate information of the text, associating the text data with the image data, determining a search phrase in accordance with the search criteria defined by the operator in the text data, and confirming in the text data A step of determining coordinate information from the table according to the search term, and a copy of the document part including at least a part of the search term based on the determined coordinate information. Document search method and a step of performing a partial display of di have been proposed.
In Patent Document 2, in a document management system in a network system in which a client terminal and a server are connected via a network, the client terminal generates an image file corresponding to the output image of the document from the selected document. The original file of the document and the generated image file are transferred to the server, and when the image file is transferred from the server, the display based on the image file is performed, and the server stores the image file and the original file. A system has been proposed in which an image file and an original file are sent in response to a request from a client terminal, and the file format of the image file is unified among the client terminals.

JP-A-7-93374 Japanese Patent Laid-Open No. 10-69476

  According to Patent Document 1 or Patent Document 2, document data having a predetermined data format can be unified into a predetermined format, and image data (file) according to a client request can be provided.

  However, in document data composed of a plurality of pages, when there are a plurality of pages including a predetermined keyword, it is troublesome to individually expand and browse the pages including the keyword.

  In view of this, the present invention generates a document composed only of pages including a specified keyword for a document in a data format, so that only the portion to be read can be read and the file size can be reduced to process the terminal. It is an object of the present invention to provide an apparatus or a terminal that can reduce the burden.

  In order to achieve the above object, a document information providing apparatus according to an aspect of the present invention is configured to be communicable with a document browsing terminal for browsing a document in a data format via a network. A division processing unit that divides document data of a predetermined file format composed of one or a plurality of pages into divided document data for each page. A document information storage means for storing the text data included in the divided document data in association with each of the divided document data, and a search request reception for receiving a search request for the divided document data together with a keyword from the document browsing terminal And a text including the keyword by referring to the document information storage means in response to the search request. Divided document data extracting means for extracting divided document data associated with the document data, combined processing means for generating combined document data by combining the extracted divided document data, and the combined document for the document browsing terminal Combined document data transmission means for transmitting data.

  Further, the image processing apparatus may further include conversion processing means for converting original document data into document data of the predetermined file format.

  Further, a generation processing unit that generates thumbnails for each of the divided document data, and a divided document associated with the text data including the keyword with reference to the document information storage unit in response to a search request from the document browsing terminal A thumbnail extraction unit that extracts thumbnails of data, a search result transmission unit that transmits a list of the extracted thumbnails as a search result for the search request to the document browsing terminal, and a thumbnail from the document browsing terminal by the thumbnail. A merge request receiving unit configured to receive a merged request for the divided document data shown, wherein the document information storage unit includes, for each divided document data, text data included in the divided document data, and the divided document. Associating thumbnails with data Storing Te, the divided document data extracting means, in response to the binding request, by referring to the document information storage unit may be extracts a divided document data represented by the thumbnails.

  The thumbnail extraction unit further includes a specific processing unit that identifies a thumbnail of the divided document data associated with the text data including the keyword among the thumbnails extracted by the thumbnail extraction unit, and the thumbnail extraction unit includes the document browsing terminal. In response to a search request from the document information storage means, extracts all the thumbnails, and the search result transmission means extracts the extracted result as a search result for the search request to the document browsing terminal. A list of specified thumbnails that clearly identifies the identified thumbnail as distinguishable from other thumbnails, and the combining request receiving means receives the divided document data indicated by the specified thumbnail from the document browsing terminal. The divided document data extracting means receives With reference to the document information storage unit may be extracts a divided document data indicated by the thumbnail described above explicitly.

  Further, the information processing device further includes size information receiving means for receiving size information of a display that outputs data from the document browsing terminal, and the generation processing means generates thumbnails of a plurality of sizes for each of the divided document data. The thumbnail extracting unit refers to the document information storage unit in response to a search request from the document browsing terminal, and among the thumbnails associated with the thumbnail or the text data including the keyword, A thumbnail having a size corresponding to the size information of the display may be extracted.

  A document information providing method according to another aspect of the present invention is configured to be communicable with a document browsing terminal for browsing a document in a data format via a network, and can be searched from the document browsing terminal by a computer. A method for providing a corresponding document so that it can be browsed according to a request, a process of dividing document data of a predetermined file format composed of one or a plurality of pages into divided document data for each page, and the divided document A process for associating text data included in the divided document data for each data and storing it in the document information storage means, a process for receiving a search request for the divided document data together with a keyword from the document browsing terminal, and the search Upon request, referring to the document information storage means, the text data including the keyword and A process of extracting linked divided document data, a process of combining the extracted divided document data to generate combined document data, a process of transmitting the combined document data to the document browsing terminal, It is characterized by performing.

  A computer program according to still another aspect of the present invention is configured to be communicable with a document browsing terminal for browsing a document in a data format via a network, and the computer is requested to perform a search request from the document browsing terminal. And a document information providing apparatus for providing a corresponding document so that the document can be browsed. Document data in a predetermined file format consisting of one or a plurality of pages is transmitted to the computer. A process of dividing each divided document data, a process of associating and storing text data included in the divided document data in the document information storage unit for each of the divided document data, and a keyword from the document viewing terminal together with the keyword A process for receiving a search request for divided document data and the above search request And processing for extracting the divided document data associated with the text data including the keyword by referring to the document information storage means and generating the combined document data by combining the extracted divided document data And processing for transmitting the combined document data to the document browsing terminal.

  A document browsing terminal according to one aspect of the present invention is a terminal for browsing a document in a data format, and converts document data in a predetermined file format composed of one or a plurality of pages into divided documents for each page. A division processing unit that divides the data, a document information storage unit that associates and stores text data included in the divided document data for each of the divided document data, a keyword input, and a search request for the divided document data are received. A search request receiving unit, a divided document data extracting unit that extracts the divided document data associated with the text data including the keyword with reference to the document information storage unit in response to the search request, and the extracted divided document Merge data to produce merged document data A binding processing means for, and having a display means for displaying the merged document data described above bonded.

  Further, the image processing apparatus may further include conversion processing means for converting original document data into document data of the predetermined file format.

  A document browsing method according to another aspect of the present invention is a method for browsing a document in a data format by a computer, wherein document data in a predetermined file format consisting of one or a plurality of pages is converted page by page. A process of dividing the divided document data, a process of associating the text data included in the divided document data with each divided document data and storing it in the document information storage means, and a search for the divided document data together with a keyword input A search request receiving means for receiving a request; a process for extracting divided document data associated with text data including the keyword by referring to the document information storage means in response to the search request; and the extracted divided document data To generate combined document data When, and executes a processing for displaying the merged document data described above bonded.

  A computer program according to still another aspect of the present invention is a program for causing a computer to function as a document browsing terminal for browsing a document in a data format. A process of dividing document data of a predetermined file format consisting of pages into divided document data for each page, and text data included in the divided document data is associated with each divided document data and stored in the document information storage unit. A search request receiving means for receiving a search request for the divided document data together with processing and keyword input, and a division associated with text data including the keyword with reference to the document information storage means in response to the search request The process of extracting document data and above Extracted divided document data bound to the, and generating a merged document data, and processing for displaying the merged document data described above bonded, to the execution.

According to the present invention, even when the document data consists of an enormous number of pages, it is possible to browse a document having only a page including a specified keyword, which is convenient for reading only a portion to be read.
In addition, since a document composed only of pages including only the designated keyword is generated so as to be viewable, the file size can be reduced, so that the processing burden on the terminal can be reduced.

It is a schematic diagram which shows the outline | summary of the process by the document information provision apparatus and document browsing terminal which concern on embodiment of this invention. It is a functional block diagram which shows the function with which the document information provision apparatus which concerns on 1st embodiment of this invention is provided. It is a figure which shows an example of the data memorize | stored in the document information storage part with which the document information provision apparatus which concerns on this embodiment is provided. It is a processing flowchart which shows the flow of the process performed by the document information provision apparatus which concerns on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a figure which shows the example of an output of the document information list provided by the document information provision apparatus which concerns on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a figure which shows the output example of the combination document data provided by the document information provision apparatus which concerns on this embodiment. It is a functional block diagram which shows the function with which the document information provision apparatus which concerns on 2nd embodiment of this invention is provided. It is a figure which shows an example of the data memorize | stored in the document information storage part with which the document information provision apparatus which concerns on this embodiment is provided. It is a processing flowchart which shows the flow of the process performed by the document information provision apparatus which concerns on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a figure which shows the example of an output of the thumbnail list provided by the document information provision apparatus which concerns on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a functional block diagram which shows the function with which the document information provision apparatus which concerns on 3rd embodiment of this invention is provided. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a figure which shows the example of an output of the thumbnail list provided by the document information provision apparatus which concerns on this embodiment. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a functional block diagram which shows the function with which the document information provision apparatus which concerns on 4th embodiment of this invention is provided. It is a figure which shows an example of the data memorize | stored in the document information storage part with which the document information provision apparatus which concerns on this embodiment is provided. It is a sequence diagram which shows the flow of the process performed by the document information provision apparatus and document browsing terminal which concern on this embodiment. It is a functional block diagram which shows the function with which the document browsing terminal which concerns on 5th embodiment of this invention is provided. It is a processing flowchart which shows the flow of the process performed by the document browsing terminal which concerns on this embodiment. It is a processing flowchart which shows the flow of the process performed by the document browsing terminal which concerns on this embodiment.

Next, a document information providing apparatus and a document browsing terminal according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows an outline of processing by the document information providing apparatus according to this embodiment.
Original data composed of documents in a data format is converted into full document data in a predetermined file format (S1).

The full document data is divided into divided document data for each page and is associated with text data (divided text data) included in each divided document data (S2).
The divided text data may be obtained by dividing text data extracted from full document data in accordance with the divided document data, or may be extracted from divided document data.

  When a search request for a document together with a keyword is made by a viewer who wishes to view the document, the divided text data including the keyword is specified, and the divided document data associated with the divided text data is extracted (S3). ).

The extracted divided document data is combined with one data and provided to the viewer as combined document data (S4).
Thus, the viewer can browse a document composed only of pages including a desired keyword.

First, the document information providing apparatus according to the first embodiment of the present invention will be described.
As shown in FIG. 2, the document information providing apparatus 1 according to the first embodiment of the present invention is configured to be able to communicate with the document browsing terminal 2 via a network NW such as the Internet.

The document information providing apparatus 1 is an apparatus that provides document data so that it can be browsed in response to a request from a viewer who uses the document browsing terminal 2.
The document information providing apparatus 1 includes a CPU (Central Processing Unit), a computer program executed by the CPU, a RAM (Random Access Memory) storing a computer program and predetermined data, a ROM (Read Only Memory), and a hard disk drive. By an external storage device, the document information storage unit 1A, the conversion processing unit 101, the text data extraction unit 102, the division processing unit 103, the document information extraction unit 104, the divided document data extraction unit 105, the combination processing unit 106, and the communication processing unit 107 Each functional block consisting of

The document information storage unit 1A is a storage unit that can store document information related to document data that is provided so as to be viewable to a viewer.
The document data is an electronic document, and includes data created by software such as Microsoft Word (registered trademark) and Microsoft Power Point (registered trademark) and configured in various file formats.
This document data is received via a network NW such as the Internet or by a predetermined receiving method such as direct input, and is registered in the document information storage unit 1A.

  In this document information storage unit 1A, for example, as shown in FIG. 3, for each document information, a document ID for identifying the document information, document summary information, original data, full document data, full text data, divided documents Data, thumbnails, and divided text data are stored in association with each other.

The document summary information includes, for example, information related to the document data summary such as document data creator, creation date, document summary, and the like.
The original data is original document data before processing such as conversion and division, and is configured in a file format when received by a predetermined receiving method.

Full document data is data obtained by converting original data into a predetermined file format by the conversion processing unit 101.
Full text data is text data of original data or full document data. The full text data is extracted from the original data or full document data by the text data extraction unit 102.

The divided document data is data for each page of full document data. The divided document data is obtained by dividing the full document data into pages by the division processing unit 103, and the full document data can be constituted by all the divided document data.
The divided text data is text data for each divided document data. The divided text data is obtained by dividing the full text data for each page by the division processing unit 103 in correspondence with the divided document data. The divided text data can also be obtained by extracting text data from the divided document data.

The conversion processing unit 101 is a processing unit that converts the file format of the original data.
By this conversion processing unit 101, the original data is configured in a predetermined file format and converted into full document data composed of one or a plurality of pages.
Here, as a file format to be converted, for example, PDF (Portable Documents Format) can be cited.
For example, when converting to the PDF format, if the original data is PDF, conversion is not necessary, and conversion processing is not particularly required.

The text data extraction unit 102 executes processing for extracting text format data by removing layout information and modification information from original data, full document data, or divided document data.
By this processing, full text data is extracted from original data or full document data, or divided text data is extracted from divided document data.

When the full document data is composed of a plurality of pages, the division processing unit 103 executes processing for dividing the full document data into divided document data for each page.
The division processing unit 103 can execute a process of dividing the full text data extracted from the full document data into divided text data for each page corresponding to the divided document data.
If the full document data is composed of one page, no division is necessary, and the division process need not be executed.

  Based on the document ID, the document information extraction unit 104 refers to the document information storage unit 1A and extracts the document information identified by the document ID.

  In response to the search request from the document browsing terminal 2, the divided document data extraction unit 105 refers to the document information storage unit 1A and extracts divided document data associated with the divided text data including the keyword related to the search request. .

The merge processing unit 106, when there are a plurality of divided document data extracted by the divided document data extraction unit 104, combines the extracted divided document data and combines them into one data to generate combined document data Execute.
Note that when there is only one piece of divided document data extracted by the divided document data extraction unit 104, it is not necessary to perform the combining process.

The communication processing unit 107 is a processing unit that executes data transmission / reception processing according to a predetermined protocol with the document browsing terminal 2 via a network NW such as the Internet, and is realized by a Web browser or the like.
For example, the communication processing unit 107 receives a search request for divided document data together with a keyword from the document browsing terminal 2. Also, the divided document data extracted by the divided document data extraction unit 105 and the combined document data generated by the combination processing unit 106 are transmitted to the document browsing terminal 2.

The document browsing terminal 2 is a terminal used by a viewer who browses document data provided by the document information providing apparatus 1.
The document browsing terminal 2 can be configured by, for example, a mobile phone such as a smartphone or a PDA (Personal Digital Assistance), and configures a functional block including an input / output 201 and a communication processing unit 202.

  The input / output processing unit 201 is a functional unit for inputting / outputting data, and includes a display such as an LCD (Liquid Crystal Display) and a speaker for outputting data, a mouse and a keyboard for inputting data, and the like. The

The communication processing unit 202 is a processing unit that executes data transmission / reception processing according to a predetermined protocol with the document information providing apparatus 1 via a network NW such as the Internet, and is realized by a Web browser or the like. .
For example, the communication processing unit 202 receives divided document data and combined document data from the document information providing apparatus 1. Further, a search request for divided document data is transmitted together with the keyword to the document information providing apparatus 1.

Subsequently, a flow of processing executed by the document information providing apparatus 1 and the document browsing terminal 2 according to the present embodiment will be described.
First, a process for registering document information in the document information storage unit 1A will be described with reference to FIG.
When the document information providing apparatus 1 receives the original data of the document by any means such as the network NW or direct input, the conversion processing unit 101 converts the original data into full document data having a predetermined file format (S101). ).

The text data extraction unit 102 extracts full text data from full document data (S102).
The extracted full text data is divided into divided document data for each page by the division processing unit 103 (S103).

Then, for each divided document data, text data (divided text data) included in the divided document data is associated and registered in the document information storage unit 1A (S104).
The divided text data associated with each divided document data may be obtained by dividing the full text data corresponding to the divided document data by the division processing unit 103, or by the text data extracting unit 102. It may be extracted from the divided document data.

In addition, at the time of this registration, a document for identifying the document information with respect to the document information composed of the original data, full document data, full text data, and document summary information that is the basis of each divided document data. An ID is issued.
The document summary information includes information obtained by extracting predetermined items such as document creator information and creation date from original data, full document data, or full text data, a thumbnail generated based on the first page of the document, etc. Consists of.

Hereinafter, the flow of processing for providing document information registered in the document information storage unit 1A in response to a search request from a viewer will be described.
First, a process from when a search request is made by a viewer to when a list of document information including pages matching the search request is provided to the viewer will be described with reference to FIG.
First, the viewer transmits a search request together with a desired keyword to the document information providing apparatus 1 through the document browsing terminal 2 (S111).

On the other hand, the document information providing apparatus 1 refers to the document information storage unit 1A and extracts document summary information of a document that includes the specified keyword in full text data (S112).
The extracted document summary information is listed as a search result of documents including the specified keyword in the document and transmitted to the document browsing terminal 2 (S113).

FIG. 6 shows an output screen example of the document summary information list displayed as a document search result on the document browsing terminal 2 at this time.
The document summary information list screen displays document summary information 100 of documents including the specified keyword. The document summary information 100 includes, for example, document data thumbnails 101 and bibliographic information such as document titles and file names.
Each document summary information 100 is provided with a selection button 103 for arbitrarily selecting each document summary information. When the selection button 103 is pressed, a document data acquisition request for the document ID is transmitted to the document information providing apparatus 1 together with the document ID.

Next, referring to FIG. 7, a process until document data is provided to the document browsing terminal 2 according to the selection from the viewer will be described.
When the viewer presses a selection button 103 for arbitrary document summary information from the document summary information list, a document data acquisition request for the document ID is transmitted to the document information providing apparatus 1 together with the document ID. (S121).

  In response to this, the document information providing apparatus 1 refers to the document information storage unit 1A by the divided document data extraction unit 105, and among the divided document data associated with the document information related to the received document ID, the divided text data That contain the keyword designated by the viewer are extracted (S122).

  The extracted divided document data is combined by the combining processing unit 106 to generate combined document data (S123). Then, the combined document data is transmitted to the document browsing terminal 2 (S124).

Here, an output example of the combined document data displayed on the document browsing terminal 2 is shown in FIG.
Each page of the combined document data displayed on the combined document data output screen 110 is configured only by the divided document data 111 including the keyword specified by the viewer.

According to the above-described embodiment, even when the document data is composed of a huge number of pages, it is possible to browse only a page including a specified keyword, which is convenient for reading only a portion to be read.
Further, since the document finally provided to the document browsing terminal 2 is composed of only necessary pages, the file size can be reduced. As a result, the processing load required for downloading and display is reduced, and it can be used comfortably.

Subsequently, a document information providing apparatus according to the second embodiment of the present invention will be described.
This embodiment is a modification of the first embodiment described above. A thumbnail is generated for each divided document data, and there is any kind of divided document data including a keyword before referring to the combined document data. Can be confirmed by a thumbnail.

As shown in FIG. 9, the document information providing apparatus 3 according to the present embodiment is configured to be communicable with the document browsing terminal 2 via a network NW such as the Internet, as in the first embodiment. It is an apparatus that provides document data so that it can be browsed in response to a request from a viewer who uses the document browsing terminal 2.
The configuration of the document browsing terminal 2 is the same as that of the document browsing terminal 2 according to the first embodiment described above.

  The document information providing apparatus 3 includes a CPU (Central Processing Unit), a computer program executed by the CPU, a RAM (Random Access Memory) storing a computer program and predetermined data, a ROM (Read Only Memory), and an external device such as a hard disk drive. Depending on the storage device, the document information storage unit 3A, conversion processing unit 301, text data extraction unit 302, division processing unit 303, generation processing unit 304, document information extraction unit 305, thumbnail extraction unit 306, divided document data extraction unit 307, combination Each functional block including the processing unit 308 and the communication processing unit 309 is configured.

  The configuration of each functional unit of the conversion processing unit 301, the text data extraction unit 302, the division processing unit 303, the document information extraction unit 305, the combination processing unit 308, and the communication processing unit 309 is the first embodiment described above. The configuration of each functional unit of the conversion processing unit 101, text data extraction unit 102, division processing unit 103, document information extraction unit 104, combination processing unit 106, and communication processing unit 107 in FIG.

The document information storage unit 3A in the present embodiment is a storage unit that can store document information related to document data that is provided so as to be viewable to a viewer.
In this document information storage unit 3A, for example, as shown in FIG. 10, for each document information, a document ID for identifying the document information, document summary information, original data, full document data, full text data, divided documents In addition to data and divided text data, thumbnails for each divided document data are stored in association with each other.

Here, the thumbnail is a reduced image of the divided document data.
The thumbnail is generated by the generation processing unit 106 based on the divided document data.

  The generation processing unit 304 executes processing for generating a thumbnail for each divided document data.

  The thumbnail extraction unit 306 refers to the document information storage unit 3A in response to a search request from the document browsing terminal 2, and extracts thumbnails of the divided document data associated with the divided text data including the keyword specified by the viewer. Execute.

  The divided document data extraction unit 307 refers to the document information storage unit 3A and extracts divided document data indicated by the thumbnail selected by the viewer.

Subsequently, a flow of processing executed by the document information providing apparatus 3 and the document browsing terminal 2 according to the present embodiment will be described.
First, a process for registering document information in the document information storage unit 3A will be described with reference to FIG.
When the document information providing apparatus 3 receives the original data of the document by any means such as the network NW or direct input, the conversion processing unit 301 converts the original data into full document data having a predetermined file format (S201). ).

The text data extraction unit 302 extracts full text data from full document data (S202).
The extracted full text data is divided into divided document data for each page by the division processing unit 303 (S203).

The generation processing unit 304 generates a thumbnail for each divided document data (S204).
Then, for each divided document data, text data (divided text data) included in the divided document data and a thumbnail of the divided document data are associated with each other and registered in the document information storage unit 3A (S205).

As in the first embodiment, the divided text data associated with each piece of divided document data may be obtained by dividing the full text data corresponding to the divided document data by the division processing unit 303. The text data extraction unit 302 may extract the divided document data.
Similarly, at the time of registration, the document data is composed of original data, full document data, full text data, document summary information, and thumbnail information for each divided document. A document ID for identifying information is issued.

Hereinafter, the flow of processing for providing document information registered in the document information storage unit 3A in response to a search request from a viewer will be described with reference to FIG.
Note that the processing from when the viewer makes a search request until the viewer is provided with a list of document information including pages that match the search request is as described with reference to FIG. 5 in the first embodiment. Here, first, a process from when a viewer selects a document to when document data is provided to the document browsing terminal 2 will be described.

  When the viewer selects an arbitrary document from the document summary information list, a document data acquisition request for the document ID is transmitted to the document information providing apparatus 1 together with the document ID (S211).

In response to this, the document information providing apparatus 1 refers to the document information storage unit 3A by the thumbnail extraction unit 306, and among the thumbnails of the divided document data associated with the document information related to the received document ID, the divided text data That contain the keyword specified by the viewer is extracted (S212).
The extracted thumbnails are listed and transmitted to the document browsing terminal 2 (S213).

FIG. 13 shows an output example of the thumbnail list displayed on the document browsing terminal 2 at this time.
The thumbnail 201 displayed in the thumbnail list 200 is configured only by the thumbnail 201 of the divided document data including the keyword specified by the viewer in the divided text data.
Each thumbnail 201 is displayed so as to be able to accept a display request for the divided document data indicated by each thumbnail 201. For example, when one thumbnail 201 is selected and double-clicked, the thumbnail 201 is indicated by the one thumbnail 201. The divided document data is displayed individually.

  Also, in the thumbnail list 200, a combined display button that accepts selection of the thumbnail 201 and requests the document information providing apparatus 3 to provide combined document data composed of the divided document data indicated by the selected thumbnail 201. 202 is provided. The selection of the thumbnail 201 is accepted, for example, by clicking on the desired thumbnail 201. After the selection is completed, the combined document data including the selected thumbnail is displayed by pressing the combined display button 202.

Here, a process of providing the divided document data indicated by one thumbnail 201 according to the selection from the viewer from the thumbnail list 200 will be described with reference to FIG.
The viewer selects the thumbnail 201 of the divided document data desired to be browsed from the thumbnail list 200 (S221).
The selection of the thumbnail may be accepted by double-clicking the thumbnail 201, or a button for requesting individual display of the divided document data indicated by the thumbnail may be provided separately, and various designs are possible. .

When the document information providing apparatus 3 receives the selection information of the thumbnail desired by the viewer, the document information providing apparatus 3 refers to the document information storage unit 3A and extracts divided document data associated with the selected thumbnail (S222).
The extracted document data is transmitted to the document browsing terminal 2, whereby the viewer can browse the desired divided document data.

Also, see FIG. 15 for processing in the case of accepting selection of thumbnails arbitrarily by the viewer from the displayed thumbnails and providing combined document data composed of divided document data indicated by the thumbnails related to the selection. To explain.
The viewer selects the thumbnail 201 from the thumbnail list 200 and transmits a request for providing combined document data including divided document data indicated by the selected thumbnail to the document information providing apparatus 3 (S231).

In response to this, the document information providing apparatus 3 uses the divided document extraction unit 307 to refer to the document information storage unit 3A and extract all the divided document data associated with the thumbnail selected by the viewer (S232).
The extracted divided document data is combined by the combining processing unit 106 to generate combined document data (S233). Then, the combined document data is transmitted to the document browsing terminal 2 (S234).

  In the generation of the combined document data in the above embodiment, the viewer selects a desired thumbnail from the thumbnail list, extracts the divided document data indicated by the selected thumbnail, and extracts the combined document. Data generation is not limited to this, and all divided document data indicated by thumbnails displayed in a list may be combined to generate combined document data.

According to the present embodiment described above, the divided document data including the selected keyword is displayed in a list as thumbnails, so that desired divided document data can be easily selected from a plurality of divided document data including the keyword.
Further, only the divided documents that the viewer wants to browse can be displayed together.

Subsequently, a document information providing apparatus according to the third embodiment of the present invention will be described.
This embodiment is a modification of the second embodiment described above, in which all thumbnails of the divided document data of the document selected by the viewer are displayed as a list, and the divided display including the keyword specified by the viewer in the list display Document data is specified.

As shown in FIG. 16, the document information providing apparatus 4 according to the present embodiment is configured to be able to communicate with the document browsing terminal 2 via a network NW such as the Internet, as in the first or second embodiment. In response to a request from a viewer who uses the document browsing terminal 2, the document data can be browsed.
The configuration of the document browsing terminal 2 is the same as that of the document browsing terminal 2 according to the first or second embodiment described above.

  The document information providing device 4 includes a CPU (Central Processing Unit), a computer program executed by the CPU, a RAM (Random Access Memory) storing a computer program and predetermined data, a ROM (Read Only Memory), and an external device such as a hard disk drive. Depending on the storage device, the document information storage unit 4A, conversion processing unit 401, text data extraction unit 402, division processing unit 403, generation processing unit 404, document information extraction unit 405, thumbnail extraction unit 406, specific processing unit 407, divided document data Each functional block including the extraction unit 408, the combination processing unit 409, and the communication processing unit 410 is configured.

  Note that each of the functional units of the document information storage unit 4A, the conversion processing unit 401, the text data extraction unit 402, the division processing unit 403, the generation processing unit 404, the document information extraction unit 405, the combination processing unit 409, and the communication processing unit 410 is described. Each of the configurations includes the document information storage unit 3A, the conversion processing units 101 and 301, the text data extraction units 102 and 302, the division processing units 103 and 303, the generation processing unit 304, and the document information in the first or second embodiment described above. The configuration is the same as that of the functional units of the extraction units 104 and 305, the combination processing units 106 and 308, and the communication processing units 107 and 309.

  The thumbnail extraction unit 406 refers to the document information storage unit 4A and extracts all thumbnails of the divided document data constituting the document selected by the viewer.

  The identification processing unit 407 identifies the thumbnails of the divided document data associated with the divided text data including the keyword specified by the viewer among the thumbnails extracted by the thumbnail extraction unit 406.

  The divided document data extracting unit 408 refers to the document information storage unit 4A and extracts divided document data indicated by the thumbnail specified by the specifying processing unit 407.

Hereinafter, the flow of processing for providing document information registered in the document information storage unit 4A in response to a search request from a viewer will be described with reference to FIG.
Note that the process of registering document information in the document information storage unit 4A is as described with reference to FIG. 11 in the second embodiment. In addition, as described with reference to FIG. 5 in the first embodiment, the processing until the browser makes a search request and the viewer is provided with a list of document information including pages that match the search request. It is. Therefore, here, first, a process from when a viewer selects a document to when document data is provided to the document viewing terminal 2 will be described.

  When the viewer selects an arbitrary document from the document summary information list, a document data acquisition request is transmitted to the document information providing apparatus 4 together with the document ID (S301).

  In response, the document information providing apparatus 4 causes the thumbnail extracting unit 406 to refer to the document information storage unit 4A and extract all thumbnails of the divided document data associated with the document information related to the received document ID (S302). ).

The identification processing unit 407 identifies the thumbnail of the divided document data that includes the keyword specified by the viewer in the divided text data among the extracted thumbnails (S303).
Then, among the extracted thumbnails, a thumbnail list in which the thumbnails of the specified document data are specified is transmitted to the document browsing terminal 2 (S304).

At this time, an output example of the thumbnail list displayed on the document browsing terminal 2 is shown in FIG.
The thumbnail list 300 displays all the thumbnails 301 and 302 of the divided document data constituting the document selected by the viewer.
Here, the thumbnail 302 of the divided document data that includes the keyword specified by the viewer in the divided text data has a framed line that is clearly distinguished from the other thumbnails 301.

  The thumbnail list 300 is provided with a combined display button 303 that requests the document information providing apparatus 4 to display combined document data obtained by combining the divided document data indicated by the specified thumbnail 302.

  In the thumbnail list 300 column in the present embodiment, the thumbnail 302 is clearly shown by making the border of the thumbnail 302 a thick frame. However, the present invention is not limited to this, and the thumbnail 301 and the thumbnail 302 are grouped. The thumbnail 301 and the thumbnail 302 may be displayed in a distinguishable manner by various methods.

  Similarly to the second embodiment, the thumbnails 301 and 302 are displayed so that a request for displaying divided document data indicated by the thumbnails 301 and 302 can be received. For example, one thumbnail 301 or 302 is selected. By double-clicking, the divided document data indicated by the one thumbnail 301 and 302 may be individually displayed.

In addition, processing in the case of providing combined document data composed of divided document data indicated by the specified thumbnail among the thumbnails displayed in a list will be described with reference to FIG.
The viewer transmits a request for providing combined document data obtained by combining the divided document data indicated by the thumbnails specified as including the keyword specified by the viewer to the document information providing apparatus 3 (S311).

  In response, the document information providing apparatus 3 refers to the document information storage unit 3A by the divided document extraction unit 307 and associates the thumbnails specified by the specification processing unit 407 with the thumbnails specified in the thumbnail list. All the divided document data are extracted (S312).

  The extracted divided document data is combined by the combining processing unit 409 to generate combined document data (S313). Then, the combined document data is transmitted to the document browsing terminal 2 (S314).

  According to the present embodiment described above, thumbnails of pages including a keyword designated by the viewer are clearly shown in the thumbnail list, so it is possible to grasp at a glance which page in the document contains the keyword.

Subsequently, a document information providing apparatus according to the fourth embodiment of the present invention will be described.
This embodiment is a modification of the second or third embodiment, and provides thumbnails corresponding to the display of the document browsing terminal when transmitting thumbnails of divided document data to the viewer.
In the following description of the present embodiment, a case in which a modification of the third embodiment is used will be described.

As shown in FIG. 20, the document information providing apparatus 5 according to the present embodiment is configured to be communicable with the document browsing terminal 2 via a network NW such as the Internet, as in the third embodiment. It is an apparatus that provides document data so that it can be browsed in response to a request from a viewer who uses the document browsing terminal 2.
The configuration of the document browsing terminal 2 is the same as that of the document browsing terminal 2 according to the first, second, or third embodiment described above.

  The document information providing apparatus 5 includes a CPU (Central Processing Unit), a computer program executed by the CPU, a RAM (Random Access Memory) storing a computer program and predetermined data, a ROM (Read Only Memory), and an external device such as a hard disk drive. Depending on the storage device, the document information storage unit 5A, conversion processing unit 501, text data extraction unit 502, division processing unit 503, generation processing unit 504, document information extraction unit 505, thumbnail extraction unit 506, specific processing unit 507, divided document data Each functional block including the extraction unit 508, the combination processing unit 509, and the communication processing unit 510 is configured.

  The conversion processing unit 501, the text data extraction unit 502, the division processing unit 503, the document information extraction unit 505, the thumbnail extraction unit 506, the specific processing unit 507, the divided document data extraction unit 508, the combination processing unit 509, and the communication processing unit The configuration of each functional unit 510 includes the conversion processing unit 401, the text data extraction unit 402, the division processing unit 403, the document information extraction unit 405, the thumbnail extraction unit 406, the specific processing unit 407 in the third embodiment described above. The configuration is the same as that of each functional unit of the divided document extraction unit 408, the combination processing unit 409, and the communication processing unit 410.

The document information storage unit 5A is a storage unit that can store document information related to document data that is provided so as to be viewable to a viewer.
For example, as shown in FIG. 21, the document information storage unit 5A has a document ID for identifying the document information, document summary information, original data, full document as in the third embodiment. In addition to data, full text data, divided document data, and divided text data, thumbnails for each divided document data are stored in association with each other.

Here, thumbnails of a plurality of sizes are prepared as thumbnails. In this example, three types of thumbnails of size 1, size 2, and size 3 are prepared, and the image sizes of these three thumbnails are different from each other.
In this example, three types of thumbnails are prepared. However, the present invention is not limited to this, and two or more types of thumbnails may be prepared.

  The generation processing unit 504 generates thumbnails of a plurality of sizes for each divided document data.

  The thumbnail extraction unit 506 refers to the document information storage unit 5A in response to a search request from the document browsing terminal 2, and among the thumbnails of the divided document data associated with the divided text data including the keyword specified by the viewer, A display corresponding to the size of the display realized as the input / output unit 201 of the browsing terminal 2 is extracted.

Hereinafter, the flow of processing for providing document information registered in the document information storage unit 5A in response to a search request from a viewer will be described with reference to FIG.
The process of registering document information in the document information storage unit 5A is the same as that in the second embodiment. However, when a thumbnail is generated for each divided document data by the generation processing unit 504, the division is performed. A plurality of thumbnails having different sizes are generated for each document, and thumbnails having a plurality of sizes are registered for each divided document data.
In addition, as described with reference to FIG. 11 in the second embodiment, the processing from when the viewer makes a search request until the viewer is provided with a list of document information including pages matching the search request. It is.
Therefore, here, a process from when a viewer selects a document to when document data is provided to the document viewing terminal 2 will be described.

When the viewer selects an arbitrary document from the document summary information list, a document data acquisition request is transmitted to the document information providing apparatus 5 together with the document ID (S401).
At this time, together with the document ID, display size information (for example, vertical width and horizontal width) realized as the input / output unit 201 of the document browsing terminal 2 is also transmitted to the document information providing apparatus 5.

In response to this, the document information providing apparatus 5 refers to the document information storage unit 5A by the thumbnail extraction unit 506, and among the thumbnails of the divided document data associated with the document information related to the received document ID, the document browsing terminal All thumbnails corresponding to the size information of the display 2 are extracted (S402).
In the case where a thumbnail corresponding to the display size information of the document browsing terminal 2 is selected from a plurality of thumbnails stored in the document information storage unit 5A, for example, the display size of the document browsing terminal 2 is selected. If it is equal to or smaller than a predetermined value, a corresponding size of a predetermined size is stored in a predetermined table, such as extracting a thumbnail of this size, and a thumbnail of an appropriate size is selected by referring to this. Can do.

The identification processing unit 507 identifies thumbnails of the divided document data that includes the keyword specified by the viewer in the divided text data among the extracted thumbnails (S403).
Then, among the extracted thumbnails, a thumbnail list in which the thumbnails of the specified document data are specified is transmitted to the document browsing terminal 2 (S404).

  According to the embodiment described above, thumbnails of divided document data having an appropriate size are displayed according to the display of the document browsing terminal 2.

Next, a document browsing terminal according to the fifth embodiment of the present invention will be described.
In the present embodiment, the document information providing apparatus according to the first to fourth embodiments has the functions provided to the document viewing terminal, and is used as a viewer for the document viewing terminal.

  As shown in FIG. 23, the document browsing terminal 6 according to the present embodiment is realized by a mobile phone such as a smartphone, a PDA (Personal Digital Assistance), and the like, and a CPU (Central Processing Unit), a computer program executed by the CPU, A document information storage unit 6A, a conversion processing unit 601, a text data extraction unit 602, a division processing unit 603, a generation processing unit 604, and document information extraction are performed by a memory such as a RAM (Random Access Memory) that stores a computer program and predetermined data. Each functional block includes a unit 605, a thumbnail extraction unit 606, a specific processing unit 607, a divided document data extraction unit 608, a combination processing unit 609, and an input / output unit 610.

The document information storage unit 6A is a storage unit that can store document information related to document data that is provided so as to be viewable to a viewer.
In the document information storage unit 6A, as in the document information storage unit 3A in the second embodiment, for each document information, a document ID for identifying the document information, document summary information, original data, full document data, full In addition to text data, divided document data, and divided text data, thumbnails for each divided document data are stored in association with each other.

  The conversion processing unit 601 is a processing unit that converts the file format of the original data, and has the same function as the conversion processing unit 101 in the first embodiment.

  The text data extraction unit 602 is a functional unit that executes processing for extracting text format data by removing layout information and decoration information from original data, full document data, or divided document data. It has the same function as the text data extraction unit 102 in the form.

  The division processing unit 603 is a processing unit that executes a process of dividing the full document data into divided document data for each page when the full document data includes a plurality of pages. The same function as the division processing unit 103 in the embodiment is provided.

The generation processing unit 604 is a processing unit that generates a thumbnail for each divided document data, and has the same function as the generation processing unit 304 in the second embodiment.
When generating thumbnails in the present embodiment, thumbnails having a size corresponding to the display size of the document browsing terminal 6 realized as the input / output unit 610 may be generated.

  The document information extraction unit 605 is a functional unit that extracts the document information identified by the document ID by referring to the document information storage unit 6A based on the document ID, and has the same function as the document information extraction unit 104. Is provided.

  The thumbnail extraction unit 606 refers to the document information storage unit 6A in response to a browser search request via the input / output unit 610, and thumbnails of the divided document data associated with the divided text data including the keyword specified by the viewer. And a function similar to that of the thumbnail extraction unit 306 in the third embodiment.

  The identification processing unit 607 is a processing unit that identifies thumbnails of the divided document data associated with the divided text data including the keyword specified by the viewer among the thumbnails extracted by the thumbnail extracting unit 606. The same function as the specific processing unit 407 in the embodiment is provided.

  The divided document data extraction unit 608 is a functional unit that extracts the divided document data indicated by the thumbnail specified by the specification processing unit 607 with reference to the document information storage unit 6A, and the divided document data in the third embodiment. A function similar to that of the data extraction unit 408 is provided.

  When there are a plurality of pieces of divided document data extracted by the divided document data extraction unit 608, the combining processing unit 609 combines the extracted divided document data and combines them into one data to generate combined document data. Is provided with the same function as the combination processing unit 106 in the first embodiment.

  The input / output processing unit 610 is a functional unit for inputting and outputting data, and includes a display such as an LCD (Liquid Crystal Display) and a speaker for outputting data, a mouse and a keyboard for inputting data, and the like. The

Next, a flow of a series of processing by the document browsing terminal 6 according to the present embodiment will be described with reference to FIGS.
The process of registering document information in the document information storage unit 6A is the same as that described with reference to FIG. 11 in the second embodiment.

  First, the viewer inputs a document search request together with a desired keyword through the input / output unit 610 (S501).

In response to this, the document information extraction unit 605 refers to the document information storage unit 6A and extracts document summary information of a document that includes the specified keyword in full text data (S602).
The extracted document summary information is listed and displayed on the document browsing terminal 6 as a search result of documents including the specified keyword in the document (S503).

  When the viewer selects an arbitrary document from the document summary information list (S504), the thumbnail extraction unit 606 refers to the document information storage unit 6A and is associated with the document information related to the document ID of the selected document. All thumbnails of the divided document data are extracted (S505).

The identification processing unit 607 identifies thumbnails of the divided document data including the keyword specified by the viewer in the divided text data among the extracted thumbnails (S506).
Then, among the extracted thumbnails, a thumbnail list in which the thumbnails of the specified document data are specified is displayed on the document browsing terminal 6 (S507).

  The viewer transmits a request for providing combined document data obtained by combining the divided document data indicated by the thumbnail specified as including the keyword specified by the viewer (S508).

  In response to this, the divided document extraction unit 608 refers to the document information storage unit 6A, and all the divided document data associated with the thumbnails specified by the specification processing unit 607 and specified in the thumbnail list are displayed. Extract (S509).

  The extracted divided document data is combined by the combining processing unit 609 to generate combined document data (S510). Then, the combined document data is displayed on the document browsing terminal 6 (S511).

  Also in the present embodiment described above, the design change or the like as described in the first to fourth embodiments can be performed. For example, the divided document data can be individually displayed. Good.

  According to the present embodiment described above, it is possible to register a document in the document browsing terminal 6 without using a network and browse the divided document data or combined document data of the necessary document when necessary.

DESCRIPTION OF SYMBOLS 1 Document information provision apparatus 101 Conversion processing part 102 Text data extraction part 103 Division | segmentation processing part 104 Document information extraction part 105 Division | segmentation document data extraction part 106 Joint processing part 107 Communication processing part 1A Document information storage part 2 Document browsing terminal 201 Input / output part 202 Communication Processing Unit 3 Document Information Providing Device 301 Conversion Processing Unit 302 Text Data Extraction Unit 303 Division Processing Unit 304 Generation Processing Unit 305 Document Information Extraction Unit 306 Thumbnail Extraction Unit 307 Division Document Data Extraction Unit 308 Combination Processing Unit 309 Communication Processing Unit 3A Document information storage unit 4 Document information providing device 401 Conversion processing unit 402 Text data extraction unit 403 Division processing unit 404 Generation processing unit 405 Document information extraction unit 406 Thumbnail extraction unit 407 Specific processing unit 408 Division document data extraction 409 Connection processing unit 410 Communication processing unit 4A Document information storage unit 5 Document information providing device 6 Document browsing terminal 601 Conversion processing unit 602 Text data extraction unit 603 Division processing unit 604 Generation processing unit 605 Document information extraction unit 606 Thumbnail extraction unit 607 specification Processing unit 608 Divided document data extraction unit 609 Join processing unit 610 Communication processing unit 6A Document information storage unit NW network

Claims (11)

A device that is configured to be communicable with a document browsing terminal for browsing a document in a data format via a network, and provides a corresponding document in a readable manner in response to a search request from the document browsing terminal.
Division processing means for dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
Document information storage means for storing the text data included in the divided document data in association with each divided document data,
Search request receiving means for receiving a search request for the divided document data together with a keyword from the document browsing terminal;
In response to the search request, with reference to the document information storage means, divided document data extraction means for extracting the divided document data associated with the text data including the keyword,
A combination processing means for combining the extracted divided document data to generate combined document data;
Combined document data transmission means for transmitting the combined document data to the document browsing terminal,
A document information providing apparatus characterized by that. Conversion processing means for converting original document data into document data of the predetermined file format,
The document information providing apparatus according to claim 1. Generation processing means for generating thumbnails for each of the divided document data;
In response to a search request from the document browsing terminal, referring to the document information storage unit, a thumbnail extracting unit that extracts thumbnails of divided document data associated with text data including the keyword;
Search result transmission means for transmitting the extracted thumbnail list as a search result for the search request to the document browsing terminal;
A merge request receiving means for receiving a merge request for the divided document data indicated by the thumbnail from the document browsing terminal;
The document information storage means stores, for each divided document data, the text data included in the divided document data and a thumbnail of the divided document data in association with each other,
The divided document data extraction unit extracts the divided document data indicated by the thumbnail by referring to the document information storage unit in response to the combination request.
The document information providing apparatus according to claim 1 or 2. Specific processing means for specifying thumbnails of divided document data associated with text data including the keyword among the thumbnails extracted by the thumbnail extracting means;
The thumbnail extraction means extracts all the thumbnails by referring to the document information storage means in response to a search request from the document browsing terminal,
The search result transmitting means transmits, to the document browsing terminal, a list of the extracted thumbnails as a search result for the search request, in which the specified thumbnail is clearly identified from other thumbnails. And
The combining request receiving means receives a request for combining divided document data indicated by the specified thumbnail from the document browsing terminal,
The divided document data extraction means refers to the document information storage means to extract the divided document data indicated by the specified thumbnail;
The document information providing apparatus according to claim 3. Size information receiving means for receiving size information of a display that outputs data from the document browsing terminal,
The generation processing means generates thumbnails of a plurality of sizes for each of the divided document data,
The thumbnail extracting means refers to the document information storage means in response to a search request from the document browsing terminal, and among the thumbnails associated with the thumbnail or text data including the keyword, the display of the document browsing terminal Extract thumbnails of the size according to the size information of
The document information providing apparatus according to claim 3 or 4. It is configured to be able to communicate with a document browsing terminal for browsing data format documents via a network.
In accordance with a search request from the document browsing terminal by a computer, a method for providing a corresponding document so that it can be browsed,
A process of dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
For each of the divided document data, processing for associating the text data included in the divided document data and storing it in the document information storage unit;
A process of receiving a search request for the divided document data together with a keyword from the document browsing terminal;
In response to the search request, referring to the document information storage means, a process of extracting divided document data associated with text data including the keyword;
A process of combining the extracted divided document data to generate combined document data;
A process for transmitting the combined document data to the document browsing terminal;
Document information providing method characterized by the above. It is configured to be able to communicate with a document browsing terminal for browsing data format documents via a network.
A program for causing a computer to function as a document information providing apparatus that provides a pertinent document in response to a search request from the document browsing terminal,
For the above computer
A process of dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
For each of the divided document data, processing for associating the text data included in the divided document data and storing it in the document information storage unit;
A process of receiving a search request for the divided document data together with a keyword from the document browsing terminal;
In response to the search request, referring to the document information storage means, a process of extracting divided document data associated with text data including the keyword;
A process of combining the extracted divided document data to generate combined document data;
A process of transmitting the combined document data to the document browsing terminal;
Computer program. A terminal for viewing data format documents,
Division processing means for dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
Document information storage means for storing the text data included in the divided document data in association with each divided document data,
A search request receiving means for receiving a search request for the divided document data together with the input of a keyword;
In response to the search request, with reference to the document information storage means, divided document data extraction means for extracting the divided document data associated with the text data including the keyword,
A combination processing means for combining the extracted divided document data to generate combined document data;
Display means for displaying the combined document data combined.
A document browsing terminal characterized by that. Conversion processing means for converting original document data into document data of the predetermined file format,
The document browsing terminal according to claim 8. A method for browsing a document in a data format by a computer,
A process of dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
For each of the divided document data, processing for associating the text data included in the divided document data and storing it in the document information storage unit;
A search request receiving means for receiving a search request for the divided document data together with the input of a keyword;
In response to the search request, referring to the document information storage means, a process of extracting divided document data associated with text data including the keyword;
A process of combining the extracted divided document data to generate combined document data;
A process of displaying the combined document data combined above,
A document browsing method characterized by the above. A program for causing a computer to function as a document browsing terminal for browsing a document in a data format,
For the above computer
A process of dividing document data of a predetermined file format consisting of one or a plurality of pages into divided document data for each page;
For each of the divided document data, processing for associating the text data included in the divided document data and storing it in the document information storage unit;
A search request receiving means for receiving a search request for the divided document data together with the input of a keyword;
In response to the search request, referring to the document information storage means, a process of extracting divided document data associated with text data including the keyword;
A process of combining the extracted divided document data to generate combined document data;
Processing to display the combined document data combined above.
Computer program.

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