JP2013084215A - Information processing device, expert retrieval method and expert retrieval method program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To notify a user related to a keyword.SOLUTION: An information processing device comprises: a use history generation part 13 for generating use history information which is information for a document stored in a file server and includes user identification information of a user who has generated the document or a user who is related to an event occurring to the document; a keyword acquisition part 15 for acquiring a keyword; a document retrieval part 17 for retrieving documents stored in the file server in order to extract one or more documents including the keyword; a related user specification part 17 for specifying a related user who is related to the documents on the basis of the user history information corresponding to each of the one or more documents extracted by retrieval; and a user information notification part 25 which notifies user information about the specified related user.

Description

  The present invention relates to an information processing device, an expert search method, and an expert search method program, and in particular, an information processing device having a function of searching a document by a keyword, an expert search method and an expert search method program executed by the information processing device About.

  When creating a document, it is created with reference to the documents accumulated so far, or is obtained by obtaining advice from a knowledgeable person. When obtaining advice from a user who has knowledge of the theme of the document to be created, terms used, etc., it is necessary to find such a user. Japanese Patent Laid-Open No. 2008-191894 discloses a WEB server that is connected to a plurality of client computers operated by a user via the Internet and includes a processor, a memory, and an interface, and searches for the search keyword and the search keyword. Stores a search history indicating correspondence with a user, receives a search request including a search keyword from the client computer, extracts a search keyword from the received search request, and extracts the search keyword based on the search history Identifying a user corresponding to the search keyword, and transmitting information relating to the identified user as information relating to a user who has searched the same search keyword in the past to a client computer that is a transmission source of the received search request. The featured WEB server It has been mounting.

However, not all search results are successful, and even if the search results are successful, the user does not always use the search results. For this reason, although the conventional WEB server can specify the user who performed the same search in the past, there is a problem that the specified user is not necessarily an expert who has knowledge about the keyword.
JP 2008-191894A

  The present invention has been made to solve the above-described problems, and one object of the present invention is to provide an information processing apparatus that can notify a user related to a keyword.

  Another object of the present invention is to provide an expert search method capable of notifying a user related to a keyword.

  Another object of the present invention is to provide an expert search program that can notify a user related to a keyword.

  In order to achieve the above-described problem, according to one aspect of the present invention, an information processing apparatus uses usage history information for a document stored in a storage unit, and the user who created the document or the document Usage history generation means for generating usage history information including user identification information for identifying a user related to an event that occurs, keyword acquisition means for acquiring a keyword, and one or more documents including the acquired keyword are extracted. A document retrieval unit that retrieves a document stored in the storage unit, and a relation related to the extracted document based on usage history information corresponding to each of the one or more documents extracted by the retrieval by the document retrieval unit User information notification method for notifying related user identification means for identifying users and user information related to the identified related users And, equipped with a.

  According to this aspect, when usage history information including user identification information of a user who created a document or a user related to an event occurring on the document is generated and one or more documents including a keyword are extracted, Based on the usage history information, a related user related to the document is specified, and user information related to the related user is notified. Therefore, it is possible to provide an information processing apparatus that can notify a user related to a keyword.

  Preferably, the related user specifying unit specifies each of the user who created the document specified by the usage history information and the user related to the event occurring for the document as the related user.

  According to this aspect, the user who created the document and the user related to the event that occurs for the document can be notified.

  Preferably, the usage history generation means generates the usage history information at the stage where the document is stored in the storage means, and the usage history information at the stage where an event related to the stored document occurs. Generating event generation means for generating.

  According to this aspect, since usage history information is generated when a document is stored or when an event related to the document occurs, a user who generates the document or related to the event related to the document Can be notified.

  Preferably, the event occurrence generation means generates usage history information including partial identification information for identifying a portion of a stored document that is a target of the generated event and user identification information of a user related to the generated event. The related user specifying means is a part for identifying a specific part including a keyword in the document from which the partial identification information of the part that is the target of the event that has occurred from the usage history associated with the extracted document is extracted. Use history information that is the same as the identification information is extracted.

  According to this aspect, a user related to a part of the retrieved document can be notified.

  Preferably, the event generation unit generates the use history information including the user identification information of the pointed out user included in the pointed item when an event in which the pointed item for the stored document is input occurs. Including means.

  If this aspect is followed, the user who pointed out with respect to a document can be notified.

  Preferably, the event generation unit generates the use history information including the user identification information of the user who asked the question included in the question when an event in which the question for the stored document is input occurs. Including means.

  If this aspect is followed, the user who asked the document can be notified.

  Preferably, the event generation unit generates the use history information including the user identification information of the user who created another document when an event of quoting at least a part of the document from another document occurs. Including means.

  According to this aspect, when another document is cited, the user who created the other document can be notified.

  Preferably, the citation generation unit generates usage history information further including partial identification information for identifying a citation source part cited by a document among other documents, and the usage history information extracted by the event-specific extraction unit is If the partial identification information of the citation source part is included, the partial usage information of the part that is the target of the event that occurred from the usage history information associated with another document is the same usage history as the partial identification information of the citation source part Re-extraction means for extracting information is further provided.

  According to this aspect, when the citation part of the cited document is cited from another document, the user who created the other document can be notified.

  Preferably, the keyword acquisition unit includes a voice reception unit that receives a voice, a voice recognition unit that recognizes a voice, and a keyword extraction unit that extracts a keyword from the recognized voice.

  According to this aspect, the keyword can be input by voice, so that the operation becomes easy.

  According to another aspect of the present invention, an expert search method is usage history information for a document stored in a storage means, and is a user who created the document or a user related to an event that occurs for the document. Generating usage history information including user identification information for identifying a user, acquiring a keyword, and searching a document stored in a storage means for extracting one or more documents including the acquired keyword A step of identifying a related user related to the extracted document based on usage history information corresponding to each of the one or more documents extracted by the search in the searching step, and a user related to the specified related user Notifying information.

  If this situation is followed, the expert search method which can notify the user relevant to a keyword can be provided.

  According to still another aspect of the present invention, the expert search program is usage history information for a document stored in a storage unit, and is related to a user who created the document or an event that occurs for the document. A step of generating usage history information including user identification information for identifying a user, a step of acquiring a keyword, and a document stored in a storage means for extracting one or more documents including the acquired keyword A step of searching, a step of identifying a related user related to the extracted document based on usage history information corresponding to each of the one or more documents extracted by the search in the searching step, and a related related user identified And causing the computer to execute the step of notifying user information.

  If this situation is followed, the expert search program which can notify the user relevant to a keyword can be provided.

It is a figure which shows an example of the information processing system in embodiment of this invention. It is a block diagram which shows an example of the hardware constitutions of PC. It is a block diagram which shows an example of the outline | summary of the function which CPU with which PC is provided. It is a figure which shows an example of the usage history information memorize | stored in a file server. It is a figure which shows an example of the page of the page number "4" of the document A. It is a figure which shows an example of the search result received from a file server. It is a figure which shows an example of an expert list screen. It is a flowchart which shows an example of the flow of a document generation process. It is a flowchart which shows an example of the flow of a related user notification process. It is a flowchart which shows an example of the flow of a citation origin utilization log | history extraction process. It is a flowchart which shows an example of the flow of the production | generation process at the time of event occurrence.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

  FIG. 1 is a diagram illustrating an example of an information processing system according to an embodiment of the present invention. Referring to FIG. 1, an information processing system 1 includes a personal computer (PC) 100 that functions as a document editing device, a file server 201, a multi function peripheral (hereinafter referred to as “MFP”) 221, including. The PC 100, the file server 201, and the MFP 221 are connected to the network 2, respectively. The MFP 221 includes an HDD and functions as a file server. The MFP 221 includes a plurality of functions such as a scanner function, a printer function, a copy function, and a facsimile function.

  The file server 201 and the MFP 221 store a plurality of documents. For example, when the file server 201 is shared by a plurality of people, a plurality of documents stored in the file server 201 by the plurality of people are stored. The file server 201 includes a search engine. When a keyword is transmitted from the PC 100 to the file server 201, the file server 201 extracts a document including the keyword from a plurality of documents stored in the file server 201. The plurality of documents are transmitted to the PC 100. The plurality of documents transmitted by the file server 201 are rearranged in a predetermined priority order in the file server 201. The file server 201 stores usage history information corresponding to each of the plurality of documents stored therein. Details of the usage history information will be described later.

  The network 2 is a local area network (LAN), and the connection form may be wired or wireless. The network 2 is connected to the Internet via a gateway, and the PC 100 can communicate with a computer connected to the Internet. The network 2 is not limited to a LAN, and may be a wide area network (WAN), a public switched telephone network (PSTN), or the like.

  FIG. 2 is a block diagram illustrating an example of a hardware configuration of the PC. Referring to FIG. 2, a PC 100 includes a CPU 101 connected to a bus 120, a ROM (Read Only Memory) 103 for storing a program executed by the CPU 101, and a RAM 105 used as a work area of the CPU 101. The HDD 107 as a mass storage device, a card interface (I / F) 109 to which a memory card 108 is mounted, a communication I / F 111 for connecting the PC 100 to the Internet, and a user interface 113 as an interface with the user And an external I / F 119 to which a microphone 121 is connected.

  The user interface 113 includes an operation unit 115 including a keyboard and a pointing device such as a mouse, and a display unit 117 including a liquid crystal display device that displays an image.

  The CPU 101 controls the entire PC 100. Further, the CPU 101 executes a program stored in the ROM 103. Further, the CPU 101 may load a program stored in the memory card 108 via the card I / F 109 into the RAM 105 and execute it.

  Further, the CPU 101 may download a program from a computer connected to the Internet and store the program in the HDD 107, or the computer connected to the Internet may write the program to the HDD 107 and execute the program on the CPU 101. . The program here includes not only a program that can be directly executed by the CPU 101 but also a source program, a compressed program, an encrypted program, and the like.

  The microphone 121 collects sound generated by the user of the PC 100 and outputs the collected sound to the external I / F 119. The external I / F 119 outputs the sound input from the microphone 121 to the CPU 101.

  A recording medium for storing a program to be executed by the CPU 101 is not limited to the memory card 108, but a flexible disk, a cassette tape, an optical disk (CD-ROM (Compact Disc-Read Only Memory) / MO (Magnetic Optical Disc)). / MD (Mini Disc) / DVD (Digital Versatile Disc), IC card, optical card, mask ROM, EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable and Programmable ROM), and other semiconductor memories.

  The PC 100 according to the present embodiment is an example of an information processing apparatus, and collects a document desired by a user of the PC 100 from among a document published on the Internet and a plurality of documents stored in the file server 201 or the MFP 221. Here, a case where the user of the PC 100 collects documents for creating presentation materials will be described as an example.

  FIG. 3 is a block diagram illustrating an example of an overview of functions of a CPU included in the PC. The functions shown in FIG. 3 are formed in the CPU 101 when the CPU 101 executes an expert search program stored in the ROM 103 or the memory card 108.

  Referring to FIG. 3, the CPU 101 authenticates a user who operates the PC 100, a usage history generation unit 13 that generates usage history information indicating a history of using a document, and a keyword acquisition unit that acquires a keyword. 15, a document search unit 17 that searches for a document based on a keyword, a document generation unit 19 that generates a document including one or more pages, a related user specification unit 21 that specifies a related user related to the keyword, An extraction unit 23 and a user information notification unit 25 for notifying user information related to related users are included.

  The authentication unit 11 authenticates an operation user who operates the PC 100. Specifically, the authentication unit 11 displays a login screen on the display unit 117 and receives authentication information. The login screen includes an area for inputting user identification information and an area for inputting a password. When the operation user inputs user identification information and a password to the operation unit 115, the user identification information and the password are received as authentication information from the operation unit 115, and the authentication information is compared with authentication data stored in advance. If they match, the operating user is authenticated, but if they do not match, the operating user is not authenticated. The authentication data includes user identification information for identifying the operating user and a password.

  When the file server 201 has an authentication function, the authentication unit 11 receives user identification information and a password input to the operation unit 115 by the operation user as authentication information, and receives the received authentication information via the communication I / F 111. Are transmitted to the file server 201, and the file server 201 is authenticated. Upon receiving the authentication information, the file server 201 compares the authentication information with authentication data stored in advance, and if both match, returns an authentication result indicating successful authentication. An authentication result indicating failure is returned.

  When authenticating the operation user, the authentication unit 11 outputs the user identification information of the operation user to the keyword acquisition unit 15 and the usage history generation unit 13, but when the operation user is not authenticated, an error message is displayed on the display unit 117. To do. When the authentication unit 11 authenticates the operation user, an operation input to the operation unit 115 thereafter is accepted as an operation by an operation user who is authenticated and permitted to log in.

  The keyword acquisition unit 15 receives a keyword input by the user and outputs the received keyword to the document search unit 17. The keyword acquisition unit 15 receives the key sentence input to the operation unit 115 when the user inputs a key sentence using the keyboard or mouse of the operation unit 115.

  When the user inputs a key sentence by voice to the microphone 121, the keyword acquisition unit 15 receives the key sentence by recognizing the voice input to the microphone 121. Specifically, the keyword acquisition unit 15 includes a voice input unit 41, a voice recognition unit 43, and a keyword extraction unit 45. The voice input unit 41 is connected to the microphone 121 via the external I / F 119. The microphone 121 collects sound generated by the user and outputs analog sound data to the external I / F 119. The external I / F 119 outputs the audio data input from the microphone 121 to the CPU 101. The audio input unit 41 receives the audio data output from the external I / F 119, and inputs the input audio data to the audio recognition unit 43. Output. The voice recognition unit 43 converts the voice data into character information by analyzing the voice data input from the voice input unit 41 and performing voice recognition.

  The keyword extraction unit 45 extracts a keyword from the character information converted from the voice data by the voice recognition unit 43. Character information is divided into one or more words, and words registered in advance are extracted from the one or more words as keywords. The keyword extraction unit 45 outputs the extracted one or more keywords to the document search unit 17.

  The document search unit 17 searches the database using keywords, acquires one or more documents, and outputs the acquired one or more documents to the document generation unit 19. Specifically, the document search unit 17 transmits a search request including a keyword to the file server 201 via the communication I / F 111. When the file server 201 receives the search request, the file server 201 extracts one or more documents including the keyword included in the search request from a plurality of documents stored in the file server 201, and sets the one or more documents to a predetermined priority. It rearranges in order and returns to PC100. When the communication I / F 111 receives one or more documents as a search result from the file server 201, the document search unit 17 acquires one or more documents from the communication I / F 111.

  Further, the document search unit 17 may transmit a search request including a keyword to the MFP 221. Upon receiving the search request, the MFP 221 extracts one or more documents including the search keyword from a plurality of documents stored in the HDD included in the MFP 221, and the extracted one or more documents are predetermined by the MFP 221. The messages are rearranged in the priority order and returned to the PC 100. When the communication I / F 111 receives one or more documents as search results from the MFP 221, the document search unit 17 acquires one or more documents from the communication I / F 111.

  Further, the document search unit 17 may transmit a search request including a keyword to the MFP 221 and the file server 201. When the communication I / F 111 receives one or more documents as search results from the MFP 221 and the file server 201, the document search unit 17 acquires one or more documents from the communication I / F 111.

  The document generation unit 19 displays the top three documents among the one or more documents input from the document search unit 17 on the display unit 117 so as to be selectable. If the document consists of a plurality of pages, the pages are displayed so as to be selectable. Specifically, the document generation unit 19 generates a selection image that is an image obtained by combining the images of the top three documents and that can select an image corresponding to each of the one or more documents. It is displayed on the display unit 117. The document image is displayed so that pages can be selected when the document consists of a plurality of pages. When the size of the selected image is larger than the displayable size of the display unit 117, the selected image may be displayed in a reduced size or may be displayed in a scrollable manner.

  When the operation user inputs an operation to instruct an image of a document included in the selected image displayed on the display unit 117 to the operation unit 115, the document generation unit 19 selects a document corresponding to the instructed image. When the document includes a plurality of pages, the page designated by the operation user is selected in addition to the document. Hereinafter, the selected document is referred to as a citation source document, the user who generated the citation source document is referred to as a citation source user, and the selected page is referred to as a citation source page. The document generation unit 19 generates a new document by adding the citation source page of the citation source document to the new document. Hereinafter, a page added to a new document is referred to as a citation page. The document generation unit 19 adds the document identification information of the new document, the page number (partial identification information) for identifying the citation page, and the citation source document in response to the citation page being added to the new document. A set of the document identification information, the page number (partial identification information) of the citation source page, and the user identification information of the citation source user is output to the usage history generation unit 13, and the document identification information of the citation source document and the citation A pair with the page number (partial identification information) of the original page is output to the related user specifying unit 21.

  When a new document is generated, the document generation unit 19 transmits the generated new document to the file server 201 via the communication I / F 111 and outputs a document generation signal to the usage history generation unit 13. The document generation signal includes document identification information of a new document. The file server 201 stores the received new document as a search target for a search request received next.

  The usage history generation unit 13 includes a generation time generation unit 31 and an event generation time generation unit 33. The generation generation unit 31 receives user identification information of an operation user who operates the PC 100 from the authentication unit 11. In response to the input of the document generation signal from the document generation unit 19, the generation unit 31 generates document identification information included in the document generation signal, user identification information of the operating user, and that the document has been generated. Usage history information including event information to be generated is generated, and the generated usage history information is transmitted to the file server 201 via the communication I / F 111. Therefore, the usage history information generated by the generation unit 31 includes user identification information of the user who generated the document.

  The event generation unit 33 includes an indication generation unit 35, a question generation unit 37, and a citation generation unit 39. When the indication item for the page of the document is input, the generation unit 35 at the time of indication inputs the document identification information of the document, the page number of the page to be pointed out, and the user of the pointer included in the input indication item. Usage history information including the identification information and event information indicating that it has been pointed out is generated, and the generated usage history information is transmitted to the file server 201 via the communication I / F 111. For example, in a meeting or presentation, a document may be displayed by a display device such as a projector. In this case, a plurality of pages included in the document are displayed in order. When the pointing person points out while the presentation is in progress, the pointing item including the user identification information of the pointing person and the contents of the pointing is input to the PC 100. The indication generation unit 35 specifies the page number of the page displayed at the time when the indication item is input and the document identification information of the document. The indication generation unit 35 generates usage history information including the specified document identification information, the page number, the user identification information of the instructor, the contents of the indication, and the event information indicating that the indication has been made. . Therefore, the usage history information generated by the indication generation unit 35 includes user identification information of the user pointed out for a specific page of the document.

  When a question for a document page is input, the question time generation unit 37 receives the document identification information of the document, the page number of the page that is the target of the question, and the user of the questioner included in the input question Usage history information including identification information and event information indicating that an inquiry has been made is generated, usage history information is generated, and the generated usage history information is transmitted to the file server 201 via the communication I / F 111. For example, when a document is used for presentation, a plurality of pages included in the document are displayed in order. When a questioner asks a question while the presentation is in progress, a question item including the user identification information of the questioner and the question content is input to the PC 100. Then, the question time generation unit 37 specifies the page number of the page displayed at the time when the question item is input and the document identification information of the document. Then, the question generation unit 37 generates use history information including the specified document identification information, the page number, the user identification information of the questioner, the question content, and the event information indicating that the question has been asked. . Therefore, the usage history information generated by the question generation unit 37 includes user identification information of a user who has asked a specific page of the document.

  The citation generation unit 39 receives the document identification information of the new document from the document generation unit 19, the page number for identifying the citation page, the document identification information of the citation source document, the page number of the citation source page, and the citation. A pair with the user identification information of the original user is input, and user identification information of the operating user who operates the PC 100 is input from the authentication unit 11. The citation generation unit 39 generates usage history information including citation information, citation source information, and event information indicating that the page has been cited, and the generated usage history information is filed via the communication I / F 111. Send to server 201. The citation information includes document identification information of the new document and a page number for identifying the citation page. The citation source information includes user identification information of the citation source user, document identification information of the citation source document, and a page number of the citation source page. Therefore, the usage history information generated by the citation generation unit 39 includes the user identification information of the user related to the citation source page of the specific page of the document. The user related to the citation source page includes a user who has generated the citation source page or a user who has cited the citation source page from another document.

  The file server 201 stores usage history information received from the PC 100. Since the file server 201 stores the document transmitted by the document generation unit 19 and the usage history information includes the document identification information of the document, the usage history information and the document are stored in association with each other.

  When the citation page is added to a new document by the document generation unit 19, the related user specification unit 21 inputs a combination of the document identification information of the citation source document and the page number of the citation source page from the document generation unit 19. Is done. The related user specifying unit 21 acquires the usage history information in response to the input of the document identification information of the citation source document and the page number of the citation source page from the document generation unit 19, and the acquired usage history Identify relevant users based on information. Specifically, the related user specifying unit 21 sends a history search request including a pair of document identification information of the citation source document and the page number of the citation source page input from the document generation unit 19 via the communication I / F 111. Send to file server 201.

  When receiving the history search request, the file server 201 searches the plurality of usage history information stored in the file server 201 and extracts the usage history information including the document identification information and the page number included in the history search request. Then, the file server 201 returns all of the extracted usage history information to the PC 100. When the communication I / F 111 receives the usage history information from the file server 201, the related user specifying unit 21 acquires the received usage history information. In addition, when the received usage history information indicates that the event information is cited, the related user specifying unit 21 outputs the usage history information to the re-extraction unit 23.

  When the usage history information is input from the related user identification unit 21, the re-extraction unit 23 sends a history search request including a set of document identification information and page number included in the citation information of the usage history information to the communication I / F 111. To the file server 201. When receiving the history search request, the file server 201 searches the plurality of usage history information stored in the file server 201 and extracts the usage history information including the document identification information and the page number included in the history search request. Then, the file server 201 returns all of the extracted usage history information to the PC 100. When the communication I / F 111 receives the usage history information from the file server 201, the re-extraction unit 23 acquires the received usage history information and outputs the acquired usage history information to the related user specifying unit 21.

  The related user identification unit 21 outputs the acquired usage history information and the usage history information input from the re-extraction unit 23 to the user information notification unit 25.

  The user information notification unit 25 displays the usage history information input from the related user specifying unit 21 on the display unit 117. Specifically, event information included in the usage history information, event contents, and user identification information are displayed. For the usage history information of event information indicating that a document has been generated, user identification information of the user who generated the document is displayed. For the usage history information of the event information indicating that it is pointed out, the user identification information of the pointed-out person and the pointed-out contents are displayed. For the usage history information of event information indicating that a question has been made, the user identification information of the questioner and the contents of the question are displayed. In the case of usage history information indicating that the quotation has been made, the citation source information is displayed.

  FIG. 4 is a diagram illustrating an example of usage history information stored in the file server. Referring to FIG. 4, usage history information includes number items, document identification information items, event items, page items, related user items, citation source information items, and time items. And content items. In the item of number, a serial number assigned by the file server 201 for identifying usage history information is set. In the item of document identification information, document identification information of a document corresponding to the usage history information is set. In the event item, event information that causes generation of usage history information is set. In the case of an event for which a document is generated, event information “generation” indicating that the document is generated is set, and in the case of an event cited from another document, event information indicating that another document is cited “Quote” is set, event information “Point out” is set to indicate the pointed out event in the case of an event pointed out, and event information “Question” is set to indicate that the question was asked in the case of an event to be questioned The In the page item, a page number corresponding to the usage history information is set.

  In the related user item, user identification information of a user related to the page specified by the page number of the document specified by the document identification information is set. In the case of the usage history information of the event identification information “generation”, the user identification information of the user who created the document specified by the document identification information is set. In the case of the usage history information of the event identification information “citation”, The user identification information of the user who created the citation source document is set, and in the case of the usage history information of the event identification information “pointed”, the user identification information of the pointed-out person is set, and the usage history information of the event identification information “question” In this case, the user identification information of the questioner is set.

  In the item of the citation source information, a value is set only for the usage history information of the event identification information “citation”. The citation source information includes an item of the citation source document and an item of the citation source page. In the item of the citation source document, the document identification information of the citation source document is set. In the item of the citation page, the page number of the citation page is set. The date of generation of usage history information is set in the time item.

  In the content item, the content of the indication is set for the usage history information of the event identification information “point”, and the content of the question is set for the usage history information of the event identification information “question”. No value is set for the usage history information of the event identification information “quotation”.

  Here, a case will be described in which the operation user who operates the PC 100 selects a material A as a result of inputting a keyword while creating a document, and then the operation user quotes the fourth page. FIG. 5 is a diagram illustrating an example of the page with the page number “4” of the document A. In this case, the PC 100 transmits a history search request including the document identification information “Material A” and the page number “4” to the file server 201 via the communication I / F 111.

  Upon receiving the history search request, the file server 201 searches the usage history information shown in FIG. 4, extracts the usage history information including the document identification information and the page number included in the history search request, and sends back. In this case, the PC 100 receives the usage history information of the numbers “1” and “2” from the file server 201.

  Furthermore, since the usage history information with the number “2” is usage history information “quotation” indicating that the event information is cited, a history search request including the citation source information included in the usage history information is sent to the file server via the communication I / F 111. To 201. Upon receiving the history search request, the file server 201 searches the usage history information shown in FIG. 4, extracts the usage history information including the document identification information and the page number included in the history search request, and sends back. In this case, the PC 100 receives the usage history information of the numbers “13” and “16” from the file server 201.

  Furthermore, since the usage history information of the number “16” is usage history information “quotation” indicating that the event information is cited, a history search request including the citation source information included in the usage history information is sent to the file server via the communication I / F 111. To 201. Upon receiving the history search request, the file server 201 searches the usage history information shown in FIG. 4, extracts the usage history information including the document identification information and the page number included in the history search request, and sends back. In this case, the PC 100 receives the usage history information of the number “18” from the file server 201.

  FIG. 6 is a diagram illustrating an example of a search result received from the file server. Referring to FIG. 5, the search result includes the usage history information of numbers “1”, “2”, “13”, “16”, and “18” among the usage history information shown in FIG. 4.

  FIG. 7 is a diagram illustrating an example of an expert list screen. Referring to FIG. 7, expert list screen 300 is displayed so as to be superimposed on the image of the page of page number “4” of document A. The expert list screen is generated based on the search result shown in FIG. The search result shown in FIG. 6 includes five usage history information, and three related users whose user identification information is “user A”, “user C”, and “user K” are specified. The expert list screen includes user identification information of the related user specified by the search result and a description of the relationship between the user and the document A. For example, the user of the user identification information “User A” is shown to be the user who created the material A, and the user of the user identification information “User C” creates the material C that is the document from which the material A is cited. The user of the user identification information “user K” is shown to be the user who created the document D, which is the document from which the document C is cited.

  The expert list screen has a check box on the left side of the user identification information of each of the three related users. If the user checks the check box, information about the user identified by the user identification information corresponding to the check box is displayed. The information about the user is, for example, an e-mail address, a telephone number, and an affiliation of the contact address. Further, an e-mail generation screen in which an e-mail address is set may be displayed.

  FIG. 8 is a flowchart illustrating an example of the flow of document generation processing. The document generation process is a process executed by the CPU 101 when the CPU 101 executes a document generation program stored in the ROM 103 or the memory card 108. The document generation program is a part of the expert search program. Referring to FIG. 8, CPU 101 determines whether or not the operation user has been successfully authenticated. The process waits until the user who operates the PC 100 is successfully authenticated (NO in step S01). If the operation user is successfully authenticated, the process proceeds to step S02. In step S02, in order to initialize the variable N, “1” is set to the variable N. The variable N is a value for specifying the page number of the page data to be processed.

  In the next step S03, it is determined whether or not a keyword has been acquired. The process waits until a keyword is acquired (NO in step S03). If a keyword is acquired (YES in step S03), the process proceeds to step S04. When the user inputs characters to the operation unit 115, the keyword is acquired from the character string input to the operation unit 115. When the user inputs sound into the microphone 121, the sound input to the microphone 121 is accepted via the external I / F 119, and a keyword is acquired from a character string obtained by recognizing the accepted sound. The character string includes one or more words, and a character string corresponding to a group of one or more words registered in advance as a keyword is extracted from the character string.

  In step S04, the database is searched with the keyword acquired in step S03, and a document is acquired. Specifically, a search request including a keyword is transmitted to the file server 201 via the communication I / F 111. Upon receiving the search request, the file server 201 extracts one or more documents including keywords from the documents stored in the file server 201, rearranges the one or more documents in a predetermined priority order, and returns the document to the PC 100. . When the communication I / F 111 receives one or more documents as search results from the file server 201, the communication I / F 111 acquires one or more documents from the communication I / F 111. Note that a search request including a keyword may be transmitted to the MFP 221. In this case, a document transmitted from the MFP 221 is acquired.

  In the next step S05, three documents having the highest priority order of documents acquired from the file server 201 are extracted. Then, three documents are displayed on one screen (step S06). In the next step S07, it is determined whether or not an operation for selecting one of the three documents has been accepted. If an operation for selecting one of the three documents is accepted, the process proceeds to step S08; otherwise, the process returns to step S03. When the selected document includes a plurality of pages, a page selected by the operating user is selected from the plurality of pages.

  In step S08, the selected page is specified. In step S07, the document identification information of the document selected by the operating user and the page number of the page selected in the document are specified. In step S09, a related user notification process is executed, and the process proceeds to step S10. Details of the related user notification process will be described later.

  In step S10, the document selected in step S07 is set as page data of the Nth page, and the process proceeds to step S11. In step S11, citation history information corresponding to the Nth page is generated, and the process proceeds to step S12. The usage history information generated here includes event information indicating that it has been cited, quote information, and quote source information. The citation information includes the document identification information of the document generated in step S13, which will be described later, and the page number of the Nth page. The citation source information includes the document identification information of the citation source document selected in step S07, the page number of the page specified in step S08, and the user identification information of the user who created the citation source document.

  In step S12, it is determined whether an end instruction has been accepted. When the user presses a key to which an end instruction provided in operation unit 115 is assigned in advance, the end instruction is accepted. If an end instruction is accepted, the process proceeds to step S13; otherwise, the process proceeds to step S16. In step S16, the variable N is set to a value obtained by adding “1” thereto, and the process returns to step S03.

  In step S13, a document is generated. In step S 11, a document including page data of N pages set for each of the first page to the Nth page is generated and stored in the HDD 107. In the next step S14, usage history information at the time of generation is generated, and the process proceeds to step S15. Specifically, usage history information including event information indicating that a document has been generated, document identification information of the document generated in step S13, and user identification information of the operating user authenticated in step S01 is obtained. Generate.

  In step S15, the document and usage history information are transmitted to the file server 201, and the process ends. The document generated in step S13 and the use history information at the time of generation generated in step S14 are transmitted to the file server 201 via the communication I / F 111. If step S11 is executed and the usage history information at the time of citation is generated, the usage history information at the time of citation is also transmitted to the file server 201 via the communication I / F 111. The file server 201 stores a document, usage history information at the time of generation, and usage history information at the time of citation.

  FIG. 9 is a flowchart illustrating an example of the flow of related user notification processing. The related user notification process is a process executed in step S09 in FIG. Prior to the execution of the related user notification process, the operation source user selects the citation source document and the page, the document identification information of the selected citation source document, the page number of the selected citation source page, Has been identified. Referring to FIG. 9, CPU 101 acquires usage history information. A history search request including a set of the document identification information of the citation source document selected and specified by the operating user and the page number of the citation source page is transmitted to the file server 201 via the communication I / F 111, and the communication I / F is transmitted. F111 obtains usage history information received from the file server 201.

  When the file server 201 receives the history search request, the file server 201 searches the plurality of usage history information stored in the file server 201 and returns all of the extracted usage history information to the PC 100. The usage history information extracted by the search by the file server 201 includes the usage history in which the document identification information included in the history search request is set in the document identification information item, and the event item is set to “generation”. The document identification information included in the information and the history search request is set in the document identification information item, and the document identification information included in the history search request is the usage history information set in the page item. In step S <b> 21, after transmitting a history search request, the usage history information received by the communication I / F 111 from the file server 201 is acquired.

  In step S22, usage history information to be processed is selected from the acquired usage history information. Then, the event information of the selected usage history information and the related user are displayed on the display unit 117 (step S23). When the event information included in the usage history information indicates that it has been created, a message indicating that it has been created and the user identification information of the user who generated the document are displayed. When the event information included in the usage history information indicates that it has been pointed out, the information indicating that it has been pointed out and the user identification information of the pointed-out user are displayed. When the event information included in the usage history information indicates that a question has been asked, the information indicating that the question has been asked and the user identification information of the user who made the question are displayed. When the event information included in the usage history information indicates that it has been cited, information indicating that it has been cited and the user identification information of the user who generated the citation source page are displayed.

  In the next step S24, it is determined whether or not event information of the selected usage history information is indicated. If the event information indicates that it has been cited, the process proceeds to step S25; otherwise, the process proceeds to step S27.

  In step S25, the citation source is specified. Specifically, the document identification information of the citation source document and the page number of the citation source page included in the citation source information of the selected usage history information are specified. Then, the citation source usage history extraction process is executed. The details of the citation source usage history extraction process will be described later. Using the document identification information of the specified citation source document and the page number of the citation source page, the usage history information is acquired and the event information and related users are displayed. It is processing to do.

  In the next step S27, it is determined whether there is usage history information to be selected as a processing target. It is determined whether or not there is usage history information not selected in step S22 among the usage history information acquired in step S21. If unselected usage history information exists, the process returns to step S22. If not, the process returns to the document generation process.

  FIG. 10 is a flowchart illustrating an example of the flow of the citation source usage history extraction process. The citation source usage history extraction process is a process executed in step S26 of FIG. Prior to the execution of the citation source usage history extraction process, the document identification information of the citation source document and the page number of the citation source page are specified.

  Referring to FIG. 10, the usage history information corresponding to the citation source page of the citation source document is acquired. A history search request including a set of document identification information and page number of the identified citation source document is transmitted to the file server 201 via the communication I / F 111, and the usage history received by the communication I / F 111 from the file server 201 Get information.

  When the file server 201 receives the history search request, the file server 201 searches the plurality of usage history information stored in the file server 201 and returns all of the extracted usage history information to the PC 100. The usage history information extracted by the search by the file server 201 includes the usage history in which the document identification information included in the history search request is set in the document identification information item, and the event item is set to “generation”. The document identification information included in the information and the history search request is set in the document identification information item, and the document identification information included in the history search request is the usage history information set in the page item.

  In step S <b> 32, usage history information received by the communication I / F 111 from the file server 201 is acquired after transmitting a history search request. The processing from step S32 to step S37 is the same as the processing from step S22 to step S27 shown in FIG. Therefore, description is not repeated here.

  FIG. 11 is a flowchart illustrating an example of the flow of event generation generation processing. The event generation process is a process executed by the CPU 101 when the CPU 101 executes a document generation program stored in the ROM 103 or the memory card 108. The document generation program is a part of the expert search program. Referring to FIG. 11, CPU 101 determines whether or not a document has been selected (step S41). When a list of document identification information of documents stored in the file server 201 is acquired from the file server 201 and the document identification information is designated from the list displayed on the display unit 117, a document of the designated document identification information is obtained. Select. The process waits until a document is selected (NO in step S41). When a document is selected (YES in step S41), the process proceeds to step S42. In other words, the event generation process is a process executed on condition that a document is selected. The selected document is not limited to the document stored in the file server 201, and may be a document stored in the MFP 221 as long as it is associated with the usage history information.

  In step S42, it is determined whether or not one page is selected by the operating user from one or more pages included in the document selected in step S41. If a page has been selected, the process proceeds to step S43. If not, the process proceeds to step S44. When the process proceeds to step S43, the selected page is set as a processing target. Note that when a document is selected in step S41, the first page may be selected and the process may proceed to step S43.

  In step S43, the selected page of the selected document is displayed, and the process proceeds to step S44. The device on which the page is displayed may be the display unit 117 or a display device such as a projector connected to the PC 100. For example, there is a case where a document is selected and displayed on a display device such as a projector at a meeting or presentation.

  In step S44, it is determined whether the indicated event has occurred. When pointing out the contents of the displayed page while the conference or presentation is in progress, if the pointing item including the user identification information of the pointing person and the pointing content is input to the operation unit 115 , To detect the occurrence of the indicated event. If it is detected that the specified event has occurred, the process proceeds to step S45; otherwise, the process proceeds to step S47.

  In step S45, an instructor is specified. The user specified by the user identification information input to the operation unit 115 is specified as an instructor, and the process proceeds to step S46. In addition, voices in meetings and presentations are collected with a microphone, etc., and phrases that are determined in advance from character strings obtained by voice recognition, for example, “should be”, “please please”, etc. In the case of extraction, an indication item may be detected. In this case, if the voice prints of the participants of the conference or presentation are stored in advance, the pointed-out person can be specified by performing voice print authentication.

  In step S46, usage history information at the time of indication is generated, and the process proceeds to step S47. Specifically, the event information indicating that it has been pointed out, the document identification information of the document selected in step S41, the page number of the page selected in step S42, and the user of the pointer identified in step S45 Usage history information including identification information is generated.

  In step S47, it is determined whether or not an event to be queried has occurred. When a questioner asks the contents of the displayed page while a meeting or presentation is in progress, when a question including the user identification information of the questioner and the question content is input to the operation unit 115 , To detect that an event to ask questions has occurred. If it is detected that an event to be queried has occurred, the process proceeds to step S48; otherwise, the process proceeds to step S50.

  In step S48, the questioner is specified. The user specified by the user identification information input to the operation unit 115 is specified as the questioner, and the process proceeds to step S49. In addition, voices in meetings and presentations are collected with a microphone or the like, and predetermined phrases such as “~?”, “~ Question”, “ -Please explain. ", Etc., may be detected. In this case, if the voice prints of participants in the conference or presentation are stored in advance, the questioner can be specified by performing voice print authentication.

  In step S49, usage history information at the time of the question is generated, and the process proceeds to step S50. Specifically, the event information indicating that an inquiry has been made, the document identification information of the document selected in step S41, the page number of the page selected in step S42, and the questioner's user specified in step S48 Usage history information including identification information is generated.

  In step S50, it is determined whether an end instruction has been detected. If the operation user indicates a key assigned in advance to the end instruction provided in the operation unit 115, the end instruction is detected. If an end instruction is detected, the process proceeds to step S51; otherwise, the process returns to step S42.

  In step S51, the usage history information is transmitted to the file server 201, and the process ends. As a result, the file server 201 receives the usage history information from the PC 201 and stores the received usage history information.

  As described above, the PC 100 according to the present embodiment functions as an information processing apparatus and is usage history information for a document stored in the file server 201 and is generated for the user who created the document or the document. Based on the usage history information corresponding to each of one or more documents extracted by the search by generating the usage history information including the user identification information of the user related to the event, causing the file server 201 to search with the keyword input by the user To identify and notify related users related to the document. For this reason, a user related to a document including a keyword can be notified as an expert.

  In addition, since usage history information is generated when a document stored in the file server 201 is generated or when an event related to the document occurs, an event related to the user who created the document or the document Users related to can be notified as experts.

  Also, when the document contains multiple pages, it generates usage history information that correlates the page number of the page that was the target of the event that occurred and the user identification information of the user related to the event, and among the extracted documents The user associated with the page including the keyword is notified as an expert. For this reason, the user relevant to a keyword can be notified as an expert.

  In addition, when an event occurs in which an indication item for a document stored in the file server 201 is input, usage history information including user identification information of the indicated user included in the indication item is generated. Can be notified.

  In addition, when an event occurs in which a question for a document stored in the file server 201 is input, usage history information including user identification information of the user who asked the question included in the question is generated. Can be notified.

  Also, when an event that cites at least part of a document from another document occurs, the page number of the quoted part of the document from another document is associated with the user identification information of the user who created the other document. Generate usage history information. For this reason, when quoting another document, the user who created the other document can be notified as an expert.

  In addition, when usage history information further including the page number of the citation source page cited by the document among the citation source documents is generated and the usage history information includes the page number of the citation source page, the usage history information associated with the citation source document is used. The usage history information in which the page number of the page that is the target of the event that occurred from the history information is the same as the page number of the citation source page is extracted. Therefore, when the citation source page of the citation source document is cited from another document, it is possible to notify the user who has created another document in which the citation source page of the citation source document is cited.

  Further, since the keyword can be input by voice, the operation can be facilitated.

  In the above-described embodiment, the PC 100 has been described as an example of the information processing apparatus. However, the CPU 101 that controls the PC 100 for the expert search method that causes the PC 100 to execute the processes illustrated in FIGS. 8 to 11 or the expert search method. Needless to say, the invention can be understood as an expert search program to be executed.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

<Appendix>
(1) The information processing apparatus according to any one of claims 1 to 9, wherein the storage unit is provided in a file server connected to a network and / or in the own apparatus.

DESCRIPTION OF SYMBOLS 1 Information processing system 2 Network 100 PC 201 File server 221 MFP 11 Authentication part 13 Usage history generation part 15 Keyword acquisition part 17 Document search part 19 Document generation part 21 Related user identification part 23 Re-extraction unit, 25 user information notification unit, 31 generation time generation unit, 33 event generation time generation unit, 35 indication time generation unit, 37 question time generation unit, 39 citation time generation unit, 41 voice input unit, 43 voice recognition unit , 45 Keyword extraction unit, 101 CPU, 103 ROM, 105 RAM, 107 HDD, 108 Memory card, 109 Card I / F, 111 Communication I / F, 113 User interface, 115 Operation unit, 117 Display unit, 119 External I / O F, 120 bus, 121 microphone, 201 file server.

Claims (11)

Use history information for a document stored in the storage means, including use history information including user identification information for identifying a user who created the document or a user related to an event that occurs for the document Usage history generation means to
Keyword acquisition means for acquiring keywords;
Document search means for searching a document stored in the storage means for extracting one or more documents including the acquired keyword;
Related user specifying means for specifying a related user related to the extracted document based on usage history information corresponding to each of one or more documents extracted by the search by the document search means;
An information processing apparatus comprising: user information notifying means for notifying user information related to the identified related user.   The information according to claim 1, wherein the related user specifying unit specifies the user who created the document specified by the usage history information and the user related to an event occurring for the document, as the related user. Processing equipment. The usage history generating means generates a usage history information at a stage where a document is stored in the storage means;
The information processing apparatus according to claim 1, further comprising: an event generation unit that generates the usage history information when an event related to the stored document occurs. The event occurrence generating means includes usage history information including partial identification information for identifying a portion of the stored document that is a target of the generated event and user identification information of a user related to the generated event Produces
The related user specifying unit is configured to select a specific part including the keyword in the extracted document in which partial identification information of a part of the usage history associated with the extracted document is a target of the event that has occurred. The information processing apparatus according to claim 3, further comprising extracting usage history information that is the same as the partial identification information to be identified.   When the occurrence of an event in which an indication item for the stored document is input, the event occurrence generation unit generates usage history information including user identification information of the user indicated in the indication item The information processing apparatus according to claim 3, further comprising a generation unit.   The event generation unit generates a use history information including user identification information of a user who asked a question included in the question when an event in which a question for the stored document is input occurs. The information processing apparatus according to claim 3, further comprising a generation unit.   The event generation unit generates a use history information including user identification information of a user who created the other document when an event of quoting at least a part of the document from another document occurs. The information processing apparatus according to claim 3, comprising means. The citation generation unit generates usage history information further including partial identification information for identifying a citation source part cited by the document among the other documents,
When the usage history information extracted by the event-specific extraction unit includes the partial identification information of the citation source part, the portion of the usage history information associated with another document is the target of the event that has occurred The information processing apparatus according to claim 7, further comprising a re-extraction unit that extracts the use history information having the same partial identification information as the partial identification information of the citation source part. The keyword acquisition means includes voice receiving means for receiving voice;
Speech recognition means for recognizing speech;
The information processing apparatus according to claim 1, further comprising: a keyword extracting unit that extracts a keyword from the recognized voice. Use history information for a document stored in the storage means, including use history information including user identification information for identifying a user who created the document or a user related to an event that occurs for the document And steps to
Obtaining a keyword;
Searching for a document stored in the storage means to extract one or more documents containing the acquired keyword;
Identifying related users related to the extracted document based on usage history information corresponding to each of the one or more documents extracted by the search in the searching step;
And a step of notifying user information relating to the identified related user. Use history information for a document stored in the storage means, including use history information including user identification information for identifying a user who created the document or a user related to an event that occurs for the document And steps to
Obtaining a keyword;
Searching for a document stored in the storage means to extract one or more documents containing the acquired keyword;
Identifying related users related to the extracted document based on usage history information corresponding to each of the one or more documents extracted by the search in the searching step;
And a step of notifying user information relating to the identified related user.

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