JPH11219361A - Document browsing apparatus and storage medium storing the program - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a document browsing apparatus for inputting a document converted into an electronic file, automatically creating and outputting a summary, and a means for easily finding information required by a user from the summary of the browsed document. It is an object of the present invention to provide a means for easily changing an automatically generated summary according to a user's interest. SOLUTION: A document summary presenting means for automatically creating and displaying a summary of a browsed document based on a noticeable word indicating a content of interest to a user, and a headline indicating a skeleton of the document and an important portion indicating an important part of the document. Document structure presenting means for automatically creating and displaying outline information of a document including a degree display, and a summary changing means for changing a created summary according to a user's instruction, and displaying the created summary in a summary document display area. The document outline information is displayed in the document structure display area, and the created summary can be changed by the user.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to an apparatus for browsing a document converted into an electronic file, and more particularly to an apparatus for automatically creating and displaying a summary of a target document. In particular, the present invention relates to a document browsing apparatus that displays outline information of a document including a headline indicating a skeleton of the document and an importance display indicating an important part of the document, and a summary document. Then, the displayed summary document can be easily edited interactively.

[0002]

2. Description of the Related Art When browsing and displaying a document online, it is often impossible to display the entire contents of one document on one screen. For this reason, word processors and DTP software perform outline display in which only the headings of chapters, sections, and the like in the document are extracted and presented so that the configuration of the entire document can be viewed.

Originally, the outline display was used to elaborate the structure of the entire document when the document was created, but this function has been used for browsing and referring to the document. View (window) showing the full text of the document
A guide view that displays the outline (frame) of the document by a large heading or the like in the document is arranged on the left of. Then, when the user designates a heading portion of the guide view with a pointing device or the like, the right window operates in such a manner that the display is switched to a portion corresponding to the heading.

[0004] According to this method, the user can select and refer to a portion in which information of interest is written, using the heading shown in the guide view as a clue. Also,
A document search device that presents a summary along with a heading to assist in grasping the outline of a search document and, if necessary, provides a means for refining the summary of the part related to the headline specified by the user has been used. Known (Japanese Unexamined Patent Publication No. 7-129)
No. 605, “Document search device”).

[0005]

Such a conventional display method is effective when the contents of interest of the user are expressed in the headline, but otherwise, which part is referred to. There is a problem that the user cannot determine whether to do so. For example, if the headings of chapters, sections, etc., do not adequately represent the written content, the information displayed in the guide view will not be useful, and as a result, users will be able to view most of the document. I have to help.

In this case, even if a means for automatically creating a summary corresponding to the heading designated by the user and adding the summary to the guide view is provided as in Japanese Patent Application Laid-Open No. 7-129605, the summary should be added. If the headline as a clue for finding the part cannot be understood, the user does not determine which part should be instructed to add the summary.

According to the present invention, information required by a user can be easily obtained from a summary of a browsed document, and the summary of the browsed document can be easily recreated in accordance with a word of interest of the user. It is an object of the present invention to provide a document browsing device and a storage medium that can perform the above.

[0008]

SUMMARY OF THE INVENTION According to the present invention, there is provided a document browsing apparatus for inputting a document converted into an electronic file, automatically creating and outputting a summary, based on a noticeable word indicating a content of interest to a user. A document that automatically creates and displays a summary of the browsed document, and a document that automatically creates and displays the outline information of the document including a heading indicating the skeleton of the document and an importance display indicating an important part of the document. It has a structure presentation means and a summary changing means for changing the created summary according to the user's instruction. The created summary is displayed in the summary document display area, and the outline information of the document is displayed in the document structure display area. The summary can be changed by the user.

FIG. 1 shows the basic configuration of the present invention. In FIG. 1, reference numeral 1 denotes a document browsing device.

A is a summary document presenting means. B is a sentence structure presentation means. C is a summary changing means.

Reference numeral 12 denotes a browse document. Reference numeral 13 denotes a question sentence input unit for inputting what the user wants to view in the reading document in the form of a sentence or a word.

Reference numeral 2 denotes a document summarizing section for creating a summary of a browsed document. Reference numeral 3 denotes a heading extraction unit that analyzes the structure of a browsed document, identifies a logical unit (document element) such as a chapter or a section, and extracts a heading assigned to that part. This process differs depending on the type of document format, and is not essential to the present invention.
Proceed as follows. SGML (Standard Generalized Mar
kup Language: If the document is structured by a markup language of document structure such as ISO8879) or a format specific to DTP software, the structure information attached to the browsed document must be converted into a form that can be used in the present invention. Good.
Simple unstructured document (plain text: pl
In the case of ain text), it is sufficient to recognize the heading and the unit of the chapter / section etc. based on the format (indentation, numbering of the heading part, etc.).

Reference numeral 4 denotes a notable word extracting unit which uses a creator's notable word from a headline, an emphasis phrase, or the like in the target document from a question sentence input by the user and a portion of the summary document in which the user is interested. This is to extract the word of interest. Here, the creator's attention word is a keyword indicating the content that the creator of the document tried to write, and the user's attention word indicates what the user wants to view in the browsed document. It is a keyword.

Reference numeral 5 denotes a document element attention degree calculation unit, which includes a chapter
For document elements such as clauses, the degree of attention (the degree of relevance to what the user wants to browse) is calculated based on the number of user attention words appearing there.

Reference numeral 7 denotes an importance display generation unit that generates an importance display to be assigned to each headline based on the degree of attention of the document element corresponding to the headline. The importance indication is used when the user browses the summary document.
This is a symbol displayed in association with the heading in the outline information of the document so as to be an index of which part should be read.

Reference numeral 8 denotes a summary document changing unit for creating a summary document. Reference numeral 8 'denotes a summary re-creation information acquisition unit for acquiring information necessary for changing (re-creating) the automatically created summary document in accordance with a user's instruction. Specifically, user's instruction (summary document editing request)
Is received in the form of designation by a pointing device on a display or key input from an input device.
Create additional attention words and other parameters to be passed to.

Reference numeral 9 denotes a display processing unit for displaying a summary document and document outline information in conjunction with a display device. Reference numeral 10 denotes an output section of the summary document.
It is a display for displaying the summary document on the screen.

Reference numeral 11 denotes an editing information input unit for inputting information for editing a summary document. The operation of the configuration of FIG. 1 will be described.

(1) The headline extraction unit 3 analyzes the structure of the browsed document, identifies document elements such as chapters and sections, and extracts headlines corresponding to the elements. (2) The attention word extraction unit 4 receives the user's question sentence via the question sentence input unit 13 and extracts the user attention word. Further, it receives the title of the document, the heading of the chapter / section from the heading extracting unit 3, and extracts the creator's attention word.

(3) The document element attention degree calculation unit 5 calculates the attention degree for each document element (chapter, section, etc. in the browsed document) based on the user attention word. The degree of attention is, for example, a value obtained by standardizing the number of user attention words appearing in a document element to the number of appearances per character (appearance density).

(4) The importance level display generation unit 7 generates an importance level display for each headline displayed in the outline information of the document. The importance indication is a symbol that is displayed in association with the heading in the outline information of the document so as to indicate which part should be read when the user browses the summary document. Is created based on the degree of attention of the document element corresponding to.

(5) The document summarizing section 2 creates a summary for each document element identified in (1). Summarization is based on the creator's attention word extracted from the heading attached to the document element, the creator's attention word extracted from the question sentence, and the user's attention word extracted from the question sentence. This is done by extracting the appearing sentences.

(6), (7) The display processing unit 9 performs processing for displaying the summary document and the outline information of the document (the heading with the importance level display) in association with each other, and displays each of the summary document and the document summary view. The document is output to the output unit (display device) 10 as a document structure view.

Next, the editing information input unit 11 receives the following two types of requests from the user and notifies the display processing unit 9 or the summary re-creation information acquiring unit 8 '. One is a request to switch the display of the summary document, which is generated when the user designates a headline displayed in the document structure view by using a pointing device or the like.

(8), (9) When a request to switch the display of the summary document is issued, the editing information input unit 11 notifies the display processing unit 9 and changes the display content of the summary document view to the designated heading. Switch to the corresponding summary document.

The other is a request for editing a summary document.
Occurs when the range of the summary document view or the document structure view is designated by a pointing device or the like, when a menu is selected by the pointing device on each view, or when a key is input from the input device.

(10) The request for editing the summary document is notified to the summary re-creation information acquisition unit 8 'and processed there. The summary re-creation information acquisition unit 8 'interprets the summary document editing request and creates parameters to be given to the document attention level calculation unit 5 and the summary document change unit 8. This is given to the document element attention degree calculation unit 5. The parameter is a list of user's attention words to which attention words extracted by using the attention word extraction unit 4 from the part of the summary document whose range is specified or the additional question sentence inputted by key are added. (Reproduction information) include a portion of the summary document whose range is specified as a portion to be deleted from the summary document.

(11), (12) The document element attention degree calculation unit 5
The degree of attention of the document element is recalculated according to the attention word list provided from the summary re-creation information acquiring unit 8 '. Based on the result, the importance display generation unit 7 regenerates the importance display to be added to the headline.

(13) The summary document changing section 8 re-creates the summary based on the re-creation information provided from the summary re-creation information acquiring section 8 '. (14), (15) The display processing unit 9 performs a process for displaying the changed summary document and the outline information of the document (headings with the importance level display) in association with each other, and displays each of the summary document and the summary document. Output unit (display device) as document structure view
Output to 10

According to the present invention, the degree of user's interest in a chapter / section is determined, and outline information of a document including a heading with a degree of importance indicating the degree is presented to the document structure view. This allows the user to browse through the summary document or to re-create the summary by specifying a portion to be further refined, based on the heading with importance indicating the importance. Since there is a clue of importance display, even if the headline presented as outline information cannot be understood, the user can quickly find a part of his or her interest.

[0031]

FIG. 2 shows an embodiment of the apparatus configuration of the present invention. In FIG. 2, reference numeral 1 denotes a document browsing device.

Reference numeral 3 denotes a heading extraction unit which analyzes a browsed document, identifies document elements such as chapters / sections, and extracts headings to be displayed in the document structure view. Reference numeral 2 denotes a document summarizing unit which receives the document to be browsed whose structure has been analyzed from the heading extracting unit 3 and the attention word list from the attention word extracting unit 4 via the process control unit 20, and receives document elements such as chapters and sections. Each part extracts a sentence closely related to the attention word and creates a summary of the browsed document (refer to the flowcharts of FIGS. 14 and 16 for the method of creating the summary).

Reference numeral 4 denotes a notable word extracting unit for extracting a noun as a notable word from a question sentence given by a user or a headline in a document. The attention word extraction unit 4 and the document summarization unit 2 can use known means. (Japanese Patent Application No. 9-006777).

Reference numeral 5 denotes a document element attention level calculation unit which receives the structure-analyzed document to be viewed and the user attention word from the process control unit 20, and generates a user attention word for each document element such as a chapter / section. This is the part for calculating the density.

Reference numeral 7 denotes an importance display generation unit which generates an importance display to be displayed in association with the heading of the document structure view in accordance with the calculation result of the document element attention degree calculation unit 5.

Reference numeral 8 denotes a summary document changing unit for re-creating a summary document. Reference numeral 8 'denotes a summary re-creation information acquiring unit which receives a user's summary editing request via the process control unit 20 and acquires information required for re-creating a summary document by the summary document changing unit 8. It is.

Reference numeral 9 denotes a display processing unit, which displays all documents,
This section performs processing for displaying all documents, summary documents, and document outline information (headings with importance display) in the summary document view and the document structure view, respectively.

Reference numeral 21 denotes an input unit for inputting a specification of a browsing document, a question sentence, a request for editing a summary document, and the like, which are input by a user from an input device. An output unit 10 outputs display data.

Reference numeral 31 denotes an input device for designating a browsed document, inputting a question sentence, and inputting a request for editing a summary document. A browsing target document holding device 32 holds a browsing target document.

Reference numeral 33 denotes a display device, which comprises a full document view for displaying all of the browsed documents, a summary document view for displaying summary documents, and a document structure view for displaying document outline information (headings with importance level display). , All documents, summary documents, and document outline information.

The operation of the configuration shown in FIG. 2 will be described. (1) When browsing a document A user designates a browsing document using the input device 31. Then, what is to be browsed in the browsing document is input in the form of a question sentence.

The process control unit 20 retrieves the specified document to be viewed from the document storage device 32 to be viewed via the input unit 21, and displays all document views on the display device 33 via the display processing unit 9 and the output unit 10. At the same time, document elements such as chapters / sections which are provided to the headline extraction unit 3 and constitute a browsed sentence and headings attached thereto are extracted. Further, the input question sentence is given to the attention word extracting unit 4 to extract the user attention words, and the obtained user attention word list and the browsing sentences (document elements and their headings) are combined with the document summarization unit 2 and the sentence elements. The information is given to the attention degree calculation unit 5 to create a summary of the browsed document and outline information.

The document summarizing section 2 merges, for each document element in the browsed document, the creator's attention word extracted from the heading attached to the document element and the user's attention word list given from the process control section 20. An attention word list is created, and a summary is created by extracting sentences closely related to the attention word (a summary may be created without using the creator attention word list).

The document element attention degree calculation unit 5 calculates the attention degree of each document element based on the user attention word list. The attention level is obtained by dividing the number of attention words used in document elements such as chapters / sections by the number of document elements and standardizing the number of appearances per character (appearance density). The method of calculating the degree of attention is not limited to this method, and may be another calculation method, or may be calculated in consideration of both the user attention words. The importance display generation unit 7 creates an importance display based on the attention degree of the document element. The importance indication is a symbol displayed in association with a heading in outline information of a document so as to be an index of which part should be read when the user browses the abstract document.

Finally, the process control unit 20 displays the created document and outline information on the display device 33 via the display processing unit 9 and the output unit 10 as a summary document view and a document structure view.

(2) Switching of Display of Summary Document The user browses the summary document created by the document summary section 2 by displaying the summary document view. At that time, the entire summary document is not always displayed on one screen. In such a case, the user can designate a heading of a part to be viewed on the document structure view by using a pointing device, and issue a display switching request of the summary document. At this time, the display processing unit 9 receives the request for switching the display of the summary document, and switches the display content of the view of the summary document to a portion corresponding to the heading designated by the user.

(3) Editing of summary document The user can instruct the browsing device to change the automatically created summary according to his / her interest, and change the summary.

First, when an interesting portion is found in the summary document and the contents relating to the interesting portion are to be added to the summary, the range of the interesting portion is designated, and the summary is re-created. At this time, the summary re-creation information acquisition unit 8 'cuts out the portion whose range is specified. The process control unit 20 extracts the target word using the target word extraction unit 4 for the cut-out portion, and adds the target word to the list of the user target words. The summary document changing unit 8 re-summarizes based on the new attention word list and changes the summary document.

Next, when there is a portion unnecessary for the user in the summary document, the unnecessary portion is designated as a range, and an instruction to re-create the summary is issued. At this time, the summary re-creation information acquiring unit 8 'recognizes the part whose range is specified and notifies the summary document changing unit 8 to remove the part from the summary. Summary document change section 8
Creates a summary that does not include the specified part by resuming the specified part from the subject of summarization.

FIG. 3 shows an embodiment of the system configuration of the present invention. In FIG. 3, reference numeral 41 denotes a storage medium, such as a magnetic disk or a CDROM.

Reference numeral 42 denotes a browsing document input program,
This is a program for inputting a document to be viewed. A document summarizing program 43 is a program for summarizing a document to be viewed.

Reference numeral 44 denotes an attention word extraction program, which is a program for extracting attention words. Reference numeral 45 denotes a document element attention degree calculation program, which is a program for calculating the attention degree of a document element.

A heading extraction program 46 is a program for generating a heading of an abstract document or acquiring a heading attached to a browsed document. An importance display generation program 47 generates an importance display of a portion corresponding to a heading.

Reference numeral 48 denotes a summary document change program.
This is a program for changing and recreating the summary document. 49 is a summary re-creation information acquisition program.

The document summary program 43, the attention word extraction program 44, and the headline extraction program 46 constitute a summary document stop program. The attention word extraction program 44, the document element attention degree calculation program 45, and the headline extraction program importance display generation program 47 constitute a document structure presentation program.

The summary document change program 48 and the summary re-creation information acquisition program 49 constitute a summary change program. 121 computer A.

Reference numeral 122 denotes a memory, which is a document browsing program stored in the storage medium 41 (a browsing target document input program 42, a document summarizing program 43, an attention word extraction program 44, a document element attention degree calculation program 45,
The index extraction program 46, the importance level display generation program 47, the summary document change program 48, etc.) or the browsed document is loaded and held.

Reference numeral 123 denotes a document browsing program, which represents a program loaded from the storage medium 41. 124
Is a CPU.

Reference numeral 125 denotes an input / output interface. 1
A storage medium driver 30 loads the contents of the storage medium 41 into the computer A.

Reference numeral 131 denotes a read document holding device A, which is a storage device connected to the computer A (121) and holds a read document. An input device 135 is a keyboard or the like.

A display device 136 is a display or the like. 141 is a computer B, which is connected online to the computer A (121).

Reference numeral 142 denotes a browsed document holding device B, which is connected to the computer B (141).
This holds the browsing document. The operation of the configuration of FIG. 3 will be described.

The various document browsing programs in the storage medium 41 are loaded into the memory 122 of the computer A (121) via the storage medium 41. The user reads out the document from the browsed document holding device A131, displays the content on the display device 136, and browses the content. Then edit the summary as needed. If the document is in the browsed document holding device B142 of the computer B (141), the computer B (14)
The document is read online from the browsed document holding device B (142) via 1), loaded into the computer A (121), displayed on the display device 136, and browsed.

FIG. 4 is an example of a summary document created by the document browsing apparatus of the present invention. The above-mentioned Japanese Patent Laid-Open Publication No.
This is a summary document created using No. 29605. Summarization is performed for each document element surrounded by [] (black brackets). In the outline information of the document, the heading of one lower level ([purpose], [composition]
(The headline displayed in the outline information is output to the summary document as a required output element.) In addition, the title of the invention, "document search device", was treated as the title of the document (header at the higher level).

The solid or dotted rectangular area indicates the size of the area that can be displayed on one screen. FIG. 5 is a display screen of the summary document of FIG. This is a state where the solid-line rectangular area in FIG. 4 is displayed in the summary document view.

In FIG. 5, reference numeral 51 denotes an attention word display area, which indicates that the attention word is "summary" in the state of FIG.

Reference numeral 52 denotes a summary document view, which is a display of a solid rectangular area shown in FIG. In the summary document view,
The word highlighted in bold is the attention word (“summary” in FIG. 5).

Reference numeral 53 denotes a document structure view in which a heading of a browsed document is displayed. Numeral 54 is an importance display, which indicates the importance of the portion corresponding to the heading, that is, the appearance density of the user attention word in the portion corresponding to the heading.

In FIG. 5, the importance (the appearance density of the user's attention word) of the portion headed by “composition” is the largest, and then “summary” and “problem to be solved by the invention” are headed. The importance of the part to do is high. In the following, importance is set in the order of “claims”, “claim 1”, “object”, “brief description of drawings”, “detailed description of the invention”, “conventional technology”, and “effects of the invention”. Indicates that is low. This indicates that there is no word of interest in the portion where the heading is thin ("industrial application field", "action", "embodiment"). In the document structure view, the “document search device” is highlighted
(Indicated by diagonal lines in the figure (same in each figure)), it indicates that this heading is displayed at the top of the summary document view.

FIG. 6 is an example of a screen of the document browsing apparatus of the present invention. The operation of switching the display of the summary document view will be described with reference to FIGS. FIG. 5 shows that there are many user attention words in the “problem to be solved by the invention”. A corresponding summary part (a part surrounded by a dotted rectangle in FIG. 4) Is not displayed in the summary document view. The user clicks the mouse on the “Problems to be solved by the invention” heading in the document structure view,
As shown in FIG. 6, the dotted line portion in FIG. 4 can be displayed in the summary document view. By this operation, the user can browse the important part of the summary document by referring to the importance level display.

FIGS. 7, 8, 9 and 10 are examples of screens of the document browsing apparatus of the present invention. How to change the automatically created summary will be described with reference to FIGS.

When the user wants to change the automatically created summary, in the summary document view, mark a portion that the user wants to see in detail, or conversely, instructs the user to re-summarize the portion. I do.

FIGS. 7 and 8 are diagrams for explaining how to edit the summary document. In FIG. 7, the content of the "purpose" portion is not displayed (in the summary document view of FIG. 7, "..
・ ”Indicates that the part is omitted). To display that part, the user operates as follows. First, display of "purpose" (which may be on either the document structure view or the summary document view) is selected on the screen. Next, a context menu (pop-up menu) is called to display a menu for editing. When "more details" is selected on the edit menu, a portion which is only "..." in FIG. 7 can be displayed in the summary document view.

FIG. 8 and FIG. 7 show a display state after “more detailed” is selected and re-summarized. In FIG. 8, all the contents of the “purpose” part are displayed. This is because the content of the “purpose” includes only one sentence. , Some ""
・ ・ ”Will be shown as an abbreviated summary. As shown in FIG. 7, the part corresponding to the heading "Purpose" also includes the attention word "Summary", but the unit for creating the summary (from "Summary" to "Claims") Sentence ("composition") in which more attention words appear
Because of the sentence after the sentence, it was not displayed in the summary of FIG.

FIGS. 9 and 10 are diagrams for explaining how to regenerate a summary document. FIG. 9 shows a state of a screen when an operation for taking in a portion related to the text in the “purpose” column into the summary is performed. In this case, the user operates as follows. First, drag the text in the "Purpose" column to specify the range, then call the context menu and select "More" (this operation is repeated when specifying the range in multiple places). Next, the context menu is called and "resummarize" is designated. By this operation, words included in the specified range are added as user attention words, and a summary is re-created and displayed based on the words.

FIG. 10 shows a screen after it has been created using the above operation. In the display area of the attention word in FIG.
By the above operation, the 15 words of interest "title, list,
.., User "have been added. In the summary document view, a summary created using the attention word is displayed. The reason why the importance level display in the summary document view is different from that in FIG. 7 is that the degree of interest of each document element is changed by adding the attention word.

FIG. 11 shows an example of a summary document created by the document browsing apparatus of the present invention, which is a summary created. FIG. 12 shows an example of a summary document created by the document browsing apparatus of the present invention, which is a summary created, and is a continuation of the summary of FIG.

FIG. 13 is a flowchart of the initialization of the processing of the document browsing apparatus of the present invention, and is a flowchart of the initialization processing of accepting a browsed document, inputting a target word, and the like. The flowchart will be described according to the illustrated step numbers.

S1 Initialization processing is started. S2 An input document (browsing document) and a question sentence from the user are accepted via the input unit.

S3 It is determined whether a question has been input. If it has been input, the process of S4 is performed, and if it has not been input, the process of S5 is performed. In step S4, the user's attention word (a noun indicating a matter of interest to the user) is extracted from the question sentence.

S5 Summarize the browsed document (see FIG. 14 for details).
See the flowchart in FIG. S6: The number of user attention words appearing in each element (chapter, section, etc.) in the document is counted and normalized by dividing by the number of characters in the document element.

S7 Open the document structure view and the summary view of the display device. S8: The initialization processing ends. FIG. 14 is a flowchart of the summary document creation processing of the present invention.

S1 Summarization processing (summary document creation processing) is started. S2 It is determined whether or not there is a portion for which a summary has not been created. If there is a part for which a summary has not been created, the process of S3 is performed,
If not, the summary process ends in S6.

S3: If there is a portion for which an abstract has not been created, the creator's attention word is extracted from the title of the sentence and the headings of the chapters and sections. S4: Merge the user attention word and the creator attention word to create an attention word list.

S5: The document summarization section is called to create a summary. S6: The summarization process ends. FIG. 15 is a flowchart of the attention word extraction processing of the present invention.

S1 Attention word extraction processing is started. S2 Morphological analysis (operation of decomposing a sentence into words and recognizing the parts of speech (nouns, particles, verbs, etc.) of the words) is performed on a portion of interest word extraction target (a region from which attention words are extracted).

At step S3, a word of interest is extracted based on the part of speech. S4: Terminate the attention word extraction process. FIG. 16 is a flowchart of the document summarization processing (sentence extraction processing) of the present invention.

S1 Sentence extraction processing is started. S2 It is determined whether the attention word list is empty. S3 if not empty
Is performed, and if empty, the process of S6 is performed.

S3 The amount of attention information of each sentence in the document to be summarized is obtained based on the number of appearances of the attention word in the attention word list. As the attention information amount, in the simplest case, the number of attention words used in one-segment sentences in a chapter or a section may be used as it is as the evaluation value. Alternatively, the type of the attention word used in the sentence (the number of differences) and the total number of repetitions are separately recorded, and when the amount of attention information is compared in the next step S4, the differences are first compared. The total number may be compared only when they are the same. Further, an evaluation value may be obtained by assigning a weight or the like to each attention word.

S4: Required output part in the document to be summarized (for example, the text of the headline, the text of the part specified by the user, etc.)
Other than the sentence with the maximum attention word information amount. For example, a sentence having the largest evaluation value obtained in S4 in each sentence of the chapter or section is selected.

S5: The attention word appearing in the selected sentence is removed from the attention word list. For example, if four of the five types of noted words are used, only the remaining one is removed from the noted word list.

S6 The selected sentence and the sentence of the required output section are merged and arranged in the order of appearance in the original document. S7 ends the sentence extraction process.

FIG. 17 is a flowchart of the process of the summary change of the process control unit according to the present invention. S1 processing is started. S2 Wait for user input.

If there is an input from S3 and the context menu display is designated by clicking the mouse, the process of S5 is performed, and if the range is dragged, the process of S4 is performed.

S4 Since the range is designated by dragging in S3, the drag range is stored as the selection range. S5 Since the context menu display is selected in S3, the context menu is displayed and the user waits for the selection.

S6, S7 More details are selected as selection items, and if the selection range is not a heading, the process of S8 is performed. If the selection range is a heading, the process of S9 is performed. S8 The user's attention word is extracted with the selection range (the range specified by dragging immediately before) as the attention word extraction target part (attention word extraction is shown in FIG. 15).

S9 One sentence is additionally selected from the body part corresponding to the headline and added to the summary. S6, S10: When sufficient items are selected as the selection items, the processing of S11 is performed if the selection range is not a heading, and the processing of S12 is performed if the selection range is a heading.

S11 The selected range is set as an essential output section. S12 A part included in the summary in the body part corresponding to the headline is set as an essential output part.

S6, S13 If unnecessary is selected and the selection range is not a heading, the process of S14 is performed, and if the selection range is a heading, the process of S15 is performed. S14 The selected range is excluded from the summarization target.

S15 The part included in the summary in the body part corresponding to the headline is excluded from the summary. S16 If the re-summarization is selected in S6, the summary of the browsed document is re-created (according to the flowchart of FIG. 14).

[0101]

According to the method of the present invention, a user can browse a summary centered on the information of his / her attention, and can select a matter of interest from the presented summary. You can instruct them to choose and include the relevant content in their summaries, so that they can browse the relevant parts one after another.

Also, since the document structure view indicates where the information of the user's attention appears frequently in the document, even if the headline shown in the document structure view cannot be understood, it can be browsed efficiently. You can find the information you want.

[Brief description of the drawings]

FIG. 1 is a diagram showing a basic configuration of the present invention.

FIG. 2 is a diagram showing an embodiment of the device configuration of the present invention.

FIG. 3 is a diagram showing an embodiment of a system configuration of the present invention.

FIG. 4 is a diagram showing an example of a summary document created by the document browsing device of the present invention.

FIG. 5 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 6 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 7 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 8 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 9 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 10 is a diagram showing an example of a screen of the document browsing device of the present invention.

FIG. 11 is a diagram showing an example of a summary document created by the document browsing device of the present invention.

FIG. 12 is a diagram showing an example of a summary document created by the document browsing device of the present invention.

FIG. 13 is a diagram showing a flowchart of initialization of the document browsing device of the present invention.

FIG. 14 is a diagram showing a flowchart of a process of creating an abstract document according to the present invention.

FIG. 15 is a diagram showing a flowchart of the attention word extraction processing of the present invention.

FIG. 16 is a diagram showing a flowchart of a document summarization process (sentence extraction process) in the document summarization unit of the present invention.

FIG. 17 is a diagram showing a flowchart of a summary changing process of the present invention.

[Explanation of symbols]

 A: Summary document presenting means B: Document structure presenting means 1: Document browsing device 2: Document summarizing section 4: Attention word extraction section 5: Document element attention degree calculation section 3: Headline extraction section 7: Importance display generation section 8: Summary document change unit 9: Display processing unit 10: Output unit 11: Edit request input unit 12: Viewed document 13: Question sentence input unit

Claims (5)

[Claims] 1. A document browsing apparatus for inputting a document converted into an electronic file, automatically creating and outputting a summary, and automatically creating a summary of the browsed document based on a word of interest indicating a content of interest to a user. A document structure presenting means for creating and displaying document outline information including a heading indicating a skeleton of the document and an importance indication indicating an important part of the document, and a created summary Summary changing means for changing according to a user's instruction, displaying a summary of the browsed document in the summary document display area, displaying outline information of the browsed document in the document structure display area, and browsing in response to a change request from the user. A document browsing device for recreating a document summary. 2. A summary document presenting means for inputting a target word to be viewed from a question sentence given by a user or a target word from a part in the read document, and using the target word by using the target word. It has a document summary section that creates a summary of the target document based on the sentence portion, and a summary document change section that changes the summarized document, and the document structure presentation means extracts a headline indicating the skeleton of the document of the summary document. A heading extractor, a document element attention calculating unit that calculates the attention of the text element based on the number of attention words used in the text of the target document, and a text 2. The document browsing apparatus according to claim 1, further comprising an importance display generation unit that generates an importance display of the content. 3. An attention word extraction unit generates an attention word list including both a creator attention word unique to a browsed document and a user attention word given by a user, and a document summarization unit based on the attention word list. 3. The document browsing device according to claim 2, wherein the document is created by summarizing. 4. The abstract document changing unit deletes unnecessary parts from the abstract from the abstract, extracts a word of interest from a part in which the user is interested, and converts a sentence part related to the word of interest into an abstract. 4. The document browsing apparatus according to claim 2, wherein the summary is re-created by adding the document. 5. A storage medium storing a program of a document browsing apparatus for inputting a document converted into an electronic file and automatically creating an abstract, based on a noticeable word indicating a content of interest to a user, the content of the browsed document. A summary document presentation program for automatically creating and displaying summaries, a document structure presentation program for creating and displaying document outline information including a heading indicating a skeleton of the document and an importance indication indicating important points of the document, and a creation program A summary change program for changing the summary in accordance with a user's instruction, displaying a summary of the browsed document in the summary document display area, displaying outline information of the browsed document in the document structure display area, and requesting a change from the user. A storage medium storing a program characterized by re-creating a summary of a browsed document according to a program.