JP6119360B2 - Reference information presentation system, reference information presentation method, server, reference information distribution method, and program - Google Patents

Description

  The present invention relates to a reference information presentation device that presents reference information related to an electronic book being browsed.

  In recent years, there is a system (so-called recommendation system) that recommends products and services that are often used in Internet shopping and that are likely to be of interest to users. For example, when recommending related products of a book, the recommendation system analyzes the purchase history of other users who purchased the book and recommends related products based on the correlations and patterns between items hidden in the recommendation system. ing.

  In recent years, contents such as novels and comics have been digitized and are spreading as electronic books. Such an electronic book is used in a portable terminal such as a mobile phone or a PDA (Personal Digital Assistant). While reading an electronic book displayed on a portable terminal, a user may encounter an unknown word or a content that the user wants to know in more detail.

  For example, Patent Literature 1 proposes a technique for searching for a related book by inputting a keyword or searching for a book including the keyword by selecting a keyword in a displayed sentence. (For example, Patent Document 1).

Japanese Patent Laid-Open No. 2003-122779

  In the recommendation system, because related products are recommended for books, there is a problem that is not recommended for deepening the contents of texts in the books.

  Moreover, although the technique described in Patent Document 1 can search related books including keywords in the book, there is a problem that related products other than books, related Web sites, and the like cannot be searched.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to display reference information related to the contents of an electronic book on a screen on which the electronic book is displayed. It is to provide a reference information presentation device and the like.

A first invention for achieving the above-described object is a reference information presentation system in which a server and a terminal are connected via a network, and the server includes information on an electronic book and information on the electronic book. First storage means for storing important words included in association, information on reference information, second storage means for storing important words included in the reference information, and the electronic book from the terminal When browsing is instructed, the key word associated with the electronic book instructed to be browsed is read from the first storage means and associated with the reference information stored in the second storage means A reference information determining means for calculating the similarity to the selected important word and determining the reference information having a high similarity; and the reference information determined by the reference information determining means is packaged in the electronic book. And the terminal receives the electronic book packaged with the reference information distributed based on a browsing instruction for the electronic book, and the electronic book together with the electronic book A reference information presentation system comprising: presentation means for presenting reference information on a display screen.
According to the first invention, reference information related to the contents of the electronic book can be presented.

The reference information determination unit determines the important word associated with the electronic book instructed to be browsed from keywords selected in the electronic book.
Thereby, a display screen of reference information related to the keyword selected in the electronic book can be displayed.

The terminal further includes a selection unit that selects the reference information presented on the display screen, and the reference information determination unit receives the reference information when the selection of the reference information is instructed from the terminal. The similarity between the important word associated with the important word associated with the other reference information stored in the second storage means is calculated, and the other reference information having a high similarity is determined. Then, the presenting means presents the other reference information determined by the reference information determining means on the second display screen.
Thereby, it is possible to display the display screen of other reference information related to the selected reference information while leaving the display screen of the electronic book.

The presenting means presents the second display screen so as to overlap a part of the display screen.
This makes it easy to understand the connection between the keyword selected in the electronic book and the reference information.

The reference information includes at least one of information about an electronic book, a WEB article, information about an image, information about a video, information about a product, information about a place, information about an author, and information about a reader.
Thus, various reference information related to the keyword selected in the electronic book can be presented.

A second invention for achieving the above-described object is a reference information presentation method of a reference information presentation system in which a server and a terminal are connected via a network, and information on an electronic book and information on the electronic book The server comprising: a first storage unit that stores the important words included in the reference information; and a second storage unit that stores the information related to the reference information and the important words included in the reference information. When browsing of the electronic book is instructed from the terminal, an important word associated with the electronic book instructed to browse is read from the first storage unit, and stored in the second storage unit. A reference information determining step for calculating a similarity with an important word associated with the reference information and determining the reference information having a high similarity, and the reference information determining step A distribution step of packaging the reference information into the electronic book and distributing the electronic book, and the terminal is distributed based on an instruction to browse the electronic book, and the electronic book is packaged with the reference information And a presentation step of presenting the reference information together with the electronic book on a display screen.
According to the second invention, reference information related to the contents of the electronic book can be presented.

A third invention for achieving the above-described object is a program of a reference information presentation system in which a server and a terminal are connected via a network, and the server relates to information relating to an electronic book, and to the electronic book. First storage means for storing important words included in information in association with each other, information on reference information, second storage means for storing important words included in the reference information in association with each other, from the terminal to the electronic book When browsing is instructed, the key word associated with the electronic book instructed to be browsed is read from the first storage means and associated with the reference information stored in the second storage means The reference information determining means for calculating the similarity with the given important word and determining the reference information having a high similarity, and the reference information determined by the reference information determining means in the electronic book The terminal is functioned as a distribution means for distributing and receiving the electronic book packaged with the reference information, which has been distributed based on an instruction to browse the electronic book, and together with the electronic book It is a program for functioning as presentation means for presenting reference information on a display screen.
According to the third invention, reference information related to the contents of the electronic book can be presented.

According to a fourth aspect of the invention for achieving the above object, there is provided information relating to an electronic book, first storage means for linking and storing important words included in the information relating to the electronic book, information relating to reference information, and A second storage unit that stores the important words included in the reference information in association with each other, and when browsing of the electronic book is instructed from a terminal connected via a network, the browsing is instructed from the first storage unit The important word associated with the electronic book is read, the similarity with the important word associated with the reference information stored in the second storage means is calculated, and the reference with high similarity Reference information determining means for determining information, and distribution means for packaging the reference information determined by the reference information determining means into the electronic book and distributing it to the terminal. It is over server.
According to the fourth invention, reference information related to the contents of the electronic book can be presented.

The reference information determination unit determines the important word associated with the electronic book instructed to be browsed from keywords selected in the electronic book.
Thereby, the reference information related to the keyword selected in the electronic book can be distributed.

When the selection of the reference information is instructed from the terminal, the reference information determination unit displays the important word associated with the reference information and other reference information stored in the second storage unit. The similarity with the linked important word is calculated, and the other reference information having a high similarity is determined.
As a result, other reference information related to the selected reference information can be distributed.

The reference information includes at least one of information about an electronic book, a WEB article, information about an image, information about a video, information about a product, information about a place, information about an author, and information about a reader.
Thus, various reference information related to the keyword selected in the electronic book can be presented.

According to a fifth aspect of the invention for achieving the above object, there is provided information relating to an electronic book, first storage means for storing an important word included in the information relating to the electronic book, and information relating to reference information; And a second storage unit that stores important words included in the reference information in association with each other, wherein the browsing of the electronic book is instructed from a terminal connected via a network. And an important word associated with the reference information stored in the second storage means, and the important word associated with the electronic book that is instructed to browse is read from the first storage means. Calculating a similarity, determining the reference information having a high similarity, and packaging the reference information determined by the reference information determining step into the electronic book; A reference information distribution method and executes and a distribution step of distributing the end.
According to the fifth aspect, reference information related to the contents of the electronic book can be presented.

6th invention for achieving the objective mentioned above, the 1st memory | storage means which links | relates and memorize | stores the server in connection with the important word contained in the information regarding an electronic book, and the information regarding the said electronic book, the information regarding reference information, And second storage means for storing important words included in the reference information in association with each other, and when browsing of the electronic book is instructed from a terminal connected via a network, browsing is performed from the first storage means. The important word associated with the instructed electronic book is read, the similarity with the important word associated with the reference information stored in the second storage means is calculated, and the similarity is high. Reference information determining means for determining reference information, functioning as distribution means for packaging the reference information determined by the reference information determining means into the electronic book and distributing it to the terminal Is a program.
According to the sixth aspect, reference information related to the contents of the electronic book can be presented.

  According to the present invention, it is possible to present reference information related to the contents of the electronic book being browsed.

It is a figure which shows the structural example of the reference information presentation system which concerns on embodiment of this invention. It is a figure which shows the structural example of the hardware of a server. It is a block diagram which shows the function structural example of a server. It is a block diagram which shows the function structural example of a terminal. It is a flowchart explaining the database creation process of 1st Embodiment. It is a flowchart explaining the reference information presentation process of 1st Embodiment. It is a figure which shows the example of a display of a content display screen. It is a figure which shows typically the mode of the association of each content. It is a figure which shows the example of a display of the other content display screen displayed when the reference content B is selected on the content display screen shown in FIG. It is a figure which shows the example of a display of the other content display screen displayed when the reference content G is selected on the content display screen shown in FIG. It is a figure which shows the example of a display of the detailed information screen displayed when a button is pressed in the content display screen shown in FIG. It is a figure which shows the example of a display of the other content display screen displayed when the reference content I is selected on the content display screen shown in FIG. It is a figure which shows the example of a display of the purchase screen displayed when a button is pressed in the content display screen shown in FIG. It is a flowchart explaining the database creation process of 2nd Embodiment. It is a flowchart explaining the reference information presentation process of 1st Embodiment. It is a figure which shows the example of a display of a content display screen. It is a figure which shows the example of a display of the content display screen displayed when a keyword is selected on the content display screen shown in FIG. It is a figure which shows the other example of a display of a content display screen. It is a figure which shows the other example of a display of a content detailed information screen. It is a figure which shows the other example of a display of a content detailed information screen.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[First embodiment of the present invention]
(Configuration of reference information presentation system)
FIG. 1 is a diagram showing a configuration example of a reference information presentation system 1 according to the first embodiment of the present invention. In the first embodiment, important words are determined based on all parts of speech in meaningful units such as text, chapters, or sections displayed on the current screen of the electronic book that is instructed to be browsed, It is characterized by presenting specialized reference information.

  The reference information presentation system 1 shown in FIG. 1 is configured by connecting a server 2 and a terminal 3 to each other via a network 4. The number of servers 2 and terminals 3 is arbitrary, and it is of course possible to provide a plurality of each.

  The server 2 is a computer system including a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an HDD (Hard Disk Drive), and the like.

  The server 2 manages information related to the contents of the electronic book and reference information in a database. The reference information includes, for example, other electronic books, WEB articles, images, videos, product information, location information, author information, reader information, and the like.

  The server 2 analyzes the contents of the electronic book instructed to browse on the terminal 3, reads reference information related to the contents from the database, and transmits (presents) the information to the terminal 3 via the network 4. The server 2 reads other reference information related to the content of the reference information selected by the terminal 3 from the database, and transmits (presents) it to the terminal 3 via the network 4.

  The terminal 3 is a computer or the like on which a CPU, a ROM, a RAM, an input unit, a display screen, and the like are mounted. For example, the terminal 3 is a personal computer, a smartphone, a tablet terminal (portable information terminal), or the like. The terminal 3 is preinstalled with a viewer application for browsing an electronic book, and displays the electronic book downloaded by the user.

  When the user is instructed to browse a predetermined electronic book, the terminal 3 transmits a transmission request for reference information related to the contents of the electronic book to the server 2 via the network 4 and is transmitted from the server 2. The incoming reference information is received and presented to the user. Further, when the displayed reference information is selected by the user, the terminal 3 transmits a transmission request for other reference information related to the content of the reference information to the server 2 via the network 4. It receives other reference information sent and presents it to the user.

  The network 4 is a network such as a LAN (Local Area Network) or the Internet, and wired or wireless is not particularly limited.

(Server configuration)
FIG. 2 is a diagram illustrating a hardware configuration example of the server 2. Note that the hardware configuration in FIG. 2 is an example, and various configurations can be adopted depending on the application and purpose. Also, the terminal 3 basically has the same configuration as the server 2.

  A computer that implements the server 2 includes a control unit 11, a storage unit 12, a media input / output unit 13, a communication control unit 14, an input unit 15, a display unit 16, a peripheral device I / F (interface) unit 17, etc. Connected through.

  The control unit 11 includes a CPU, a ROM, a RAM, and the like. The CPU calls a program stored in the storage unit 12, ROM, recording medium, etc. to a work memory area on the RAM and executes it, and drives and controls each unit connected via the bus 18, which will be described later. Realize processing. The ROM is a non-volatile memory, and permanently stores programs such as computer boot programs, BIOS (Basic Input / Output System), data, and the like. The RAM is a volatile memory, and temporarily stores a program, data, and the like loaded from the storage unit 12, ROM, recording medium, and the like, and includes a work area used by the control unit 11 to perform various processes.

  The storage unit 12 is an HDD, and stores a program executed by the control unit 11, data necessary for program execution, an OS (operating system), and the like. As for the program, a control program corresponding to the OS and an application program for causing a computer to execute processing to be described later are stored. Each of these program codes is read by the control unit 11 as necessary, transferred to the RAM, read by the CPU, and executed as various means.

  The media input / output unit 13 (drive device) inputs / outputs data, for example, media such as a CD drive (-ROM, -R, -RW, etc.), DVD drive (-ROM, -R, -RW, etc.) Has input / output devices. The communication control unit 14 includes a communication control device, a communication port, and the like, and is a communication interface that mediates communication between the computer and the network 4, and performs communication control between other computers via the network 4.

  The input unit 15 inputs data and includes, for example, a keyboard, a pointing device such as a mouse, and an input device such as a numeric keypad. An operation instruction, an operation instruction, data input, and the like can be performed on the computer via the input unit 15.

  The display unit 16 includes a display device such as a liquid crystal panel, and a logic circuit or the like (video adapter or the like) for realizing a video function of the computer in cooperation with the display device.

The peripheral device I / F (interface) unit 17 is a port for connecting a peripheral device to the computer, and the computer transmits and receives data to and from the peripheral device via the peripheral device I / F unit 17. The peripheral device I / F unit 17 is a USB (Universal Serial Bus) or IEEE (The Institute of Electrical and
Electronics Engineers) 1394, RS-232C, etc., and usually has a plurality of peripheral devices I / F. The connection form with the peripheral device may be wired or wireless. The bus 18 is a path that mediates transmission / reception of control signals, data signals, and the like between the devices.

  FIG. 3 is a block diagram illustrating a functional configuration example of the server 2. At least a part of the functional units shown in FIG. 3 is realized by executing a predetermined program by the control unit 11 of FIG.

  The computerization unit 21 processes data described in the HTML (HyperText Markup Language) format or XML (eXtensible Markup Language) format of the electronic book as a starting point, which can be processed or processed in the present embodiment (hereinafter referred to as the following). , Referred to as starting content). Further, the electronic unit 21 is data (hereinafter referred to as reference content) that can process or process data of other contents (for example, other electronic books, WEB articles, images, videos, products, etc.) in the present embodiment. ).

  The key word determination unit 22 performs morphological analysis on all parts of speech in the contents (for example, book name, author name, body text, etc.) of the starting content digitized by the electronic unit 21 and is extracted from the result of the morphological analysis. The degree of importance of each word is calculated from the number of appearances of the word and the number of appearing documents, and a word having a high importance is determined as an important word. The keyword determining unit 22 stores the determined keyword in the starting content database 23 in association with the starting content.

  Further, the important word determination unit 22 performs morphological analysis on the contents of the reference content digitized by the computerization unit 21 (for example, book name, author name, commentary, text, image file name, image title, image commentary, etc.). Then, the number of appearances of a part-of-speech word extracted from the result of morphological analysis is counted, and a word with a large number of appearances is determined as an important word. The important word determination unit 22 stores the determined important word in the reference content database 24 in association with the reference content.

  The starting content database 23 stores the starting content digitized by the digitizing unit 21 and the important word determined by the important word determining unit 22 in association with each other. The reference content database 24 stores the reference content digitized by the digitizing unit 21 and the important word determined by the important word determining unit 22 in association with each other.

  The reference content determination unit 25 determines the similarity (relevance) between the important word of the starting content stored in the starting content database 23 and the important word of the reference content stored in the reference content database 24 by TF (Term Frequency) and IDF (Inverse Document Frequency) method. A known technique can be used for the TF / IDF method. The reference content determination unit 25 determines a predetermined number of reference contents having a high degree of similarity to the starting content as a result of calculation by the TF / IDF method.

  The content repackaging unit 26 repackages the reference content determined by the reference content determination unit 25 with high similarity to the starting content in association with the starting content.

  The content distribution unit 27 distributes (presents) the content repackaged by the content repackaging unit 26 to the terminal 3.

  When the predetermined content is selected from the starting content or the reference content presented to the terminal 3, the additional content determination unit 28 includes the important word included in the selected content and the reference stored in the reference content database 24. The similarity with the important word of the content is calculated by the TF / IDF method. The additional content determination unit 28 determines a predetermined number of reference contents having high similarity to the important word included in the selected content as a result of the calculation by the TF / IDF method.

  FIG. 4 is a block diagram illustrating a functional configuration example of the terminal 3.

  The selection detection unit 41 uses the input unit 11 to select the electronic book to be browsed, select a keyword in the electronic book being browsed, and display the reference content linked to the electronic book being browsed. Detects selection or selection of a browsing end command.

  The log information acquisition unit 42 acquires log information of processing performed in the terminal 3.

  The display control unit 43 controls display of reference content related to the electronic book instructed to browse by the user and the electronic book presented from the server 2.

(Database creation processing of the first embodiment)
FIG. 5 is a flowchart illustrating database creation processing executed by the server 2.

  In step S <b> 1, the computerization unit 21 of the server 2 digitizes HTML data and XML data of an electronic book as a starting point into starting content that can be processed or processed in the present embodiment. In step S2, the key word determination unit 22 of the server 2 performs morphological analysis on the content of the origin content digitized in the processing of step S1, and the number of appearances and the number of appearance documents of the part-of-speech word extracted from the result of morphological analysis From the above, the importance of each word is calculated, and a word having high importance is determined as an important word.

  In step S3, the keyword determination unit 22 of the server 2 stores the keyword determined in step S2 in the starting content database 23 in association with the starting content digitized in the processing of step S1.

  In step S4, the computerization unit 21 of the server 2 can process or process data of other contents (for example, other electronic books, WEB articles, images, videos, product information, etc.) according to the present embodiment. Digitize. In step S5, the important word determination unit 22 of the server 2 performs morphological analysis on the content of the reference content digitized in the process of step S4, and selects a word having a large number of appearances of part of speech extracted from the result of morphological analysis Determine as.

  In step S6, the important word determination unit 22 of the server 2 stores the important word determined in step S5 in the reference content database 24 in association with the reference content digitized in step S4.

  In step S7, the control unit 11 of the server 2 stores in the content database 23 whether or not all data processing has been completed, that is, links all starting contents and important words, and stores all reference contents and When it is determined whether or not the process of associating the important word and storing it in the reference content database 24 is performed, and when it is determined that the processing of all the data has not been completed yet, the process returns to step S1 and step S4, Run repeatedly.

  In step S7, when the control unit 11 of the server 2 determines that the processing of all data has been completed, the database creation processing is terminated.

  As described above, the server 2 stores the starting content and the important word in the starting content database 23 in advance, and stores the reference content and the important word in the reference content database 24 in advance.

(Reference information presentation processing of the first embodiment)
FIG. 6 is a flowchart showing the reference information presentation process executed by the reference information presentation system 1. Specific processing contents will also be described with reference to FIGS.

  In step S11, the selection detection unit 41 of the terminal 3 detects that the user has instructed display of predetermined content (electronic book). In step S12, the control unit 11 of the terminal 3 instructs the server 2 via the network 4 to distribute the content selected by the user.

  In step S <b> 13, the reference content determination unit 25 of the server 2 reads the content instructed to be distributed from the terminal 3 via the network 4 from the origin content database 23, the important word associated with the read content, and the reference content database. The degree of similarity with the key word linked to the 24 reference contents is calculated by the TF / IDF method. The reference content determination unit 25 determines a predetermined number of reference contents having a high similarity to the starting content as a result of the similarity calculation.

  In step S <b> 14, the content repackaging unit 26 of the server 2 repackages the reference content determined in the process of step S <b> 13 in association with the starting content read from the starting content database 23.

  In step S <b> 15, the content distribution unit 27 distributes the content repackaged in the process of step S <b> 14 to the terminal 3 via the network 4.

  In step S <b> 16, the display control unit 43 of the terminal 3 receives the content repackaged from the reference content distributed from the server 2 via the network 4 and causes the display unit 16 to display a content display screen.

  FIG. 7 is a diagram illustrating a display example of the content display screen 51.

  The content display screen 51 shown in FIG. 7 displays a content display area 52 for displaying content instructed to be browsed by the user and reference content related to the content displayed in the content display area 52. The reference content display area 53 is displayed.

  In the case of the example of FIG. 7, the content display area 52 displays an electronic book (starting content) with the title of “Evolution of Monsters”, and the reference content display area 53 displays in the content display area 52. Of reference content A (movie with a movie title of “Gaidan Monogatari”), reference content B (electronic book with the title of “World Religion”), and reference content C (“Quote Mug”) An electronic book having a book title), a reference content D (a product having the name “ghost key chain”), and the like are displayed.

  Further, in the content display screen 51, the “evolution of monster” electronic books (starting content) displayed in the content display area 52 include, for example, “book (category)”, “monster evolution (title)”, Important words such as “Terada xx (author name)”, “textbook (contents)”, “monster (contents)”, “religion (contents)”, and “tiger skin trap (contents)” are added as tag information. ing.

  Further, the reference content A displayed in the reference content display area 53 is given the important words “ghost story” and “monster” as tag information, and the reference content B includes “doctrinal”, “religion”, “ The important words “Son Goku”, “Kakemono”, “India”, and “Legend” are assigned as tag information, and the reference content C is tagged with the important words “Mug”, “Quote”, and “Terada XX”. It is given as information, and in the reference content D, important words “keychain” and “monster” are given as tag information.

  In the display example of FIG. 7, the reference content display area 53 is displayed in one corner of the content display screen 51. However, the user can freely switch between display and non-display of the reference content display area 53. Display position can be changed.

  FIG. 8 is a diagram schematically showing how the contents are linked on the content display screen 51 shown in FIG.

  As shown in FIG. 8, the reference content A is presented as having a high degree of similarity by being associated with the key word of the “ghost” of the starting content, and the reference content B is the “text”, “religion” of the starting content. ”And“ ghost ”are presented as having high similarity, and the reference content C has high similarity by being associated with the important word“ Terada XX ”of the starting content. It can be seen that the reference content D is presented as having a high degree of similarity by being linked to the key word of the “ghost” of the starting content.

  Returning to the description of FIG. In step S17, the selection detection unit 41 of the terminal 3 determines whether or not the reference content is selected by the user, that is, whether or not predetermined reference content in the reference content display area 53 of the content display screen 51 of FIG. 7 is selected. If it is determined that the reference content has been selected, the process returns to step S12 to repeatedly execute the above-described processing.

  For example, when the reference content B in the reference content display area 53 of the content display screen 51 shown in FIG. 7 is selected, the process returns to step S12, and the control unit 11 of the terminal 3 sends the server 2 to the server 2 via the network 4. The distribution of the reference content B is instructed.

  Based on the distribution instruction of the reference content B, the additional content determination unit 28 of the server 2 uses the important words associated with the reference content B (in the above-described example, “doctoral”, “religion”, “son Goku”, “monster” ”,“ India ”, and“ Legend ”) and other reference contents having a high degree of similarity by calculating the similarity between the key words linked to other reference contents of the reference content database 24 by the TF / IDF method. A predetermined number is determined (step S13). The content repackaging unit 26 repackages the determined other reference content in association with the reference content B (step S14). The content distribution unit 27 distributes the repackaged reference content B to the terminal 3 via the network 4 (step S15).

  The display control unit 43 of the terminal 3 receives the reference content B distributed from the server 2 via the network 4 and repackaged with other reference content. For example, a content display screen as shown in FIG. 61 is displayed on the display unit 16 (step S16).

  The content display screen 61 shown in FIG. 9 is basically the same as the content display screen 51 shown in FIG. 7, and a content display area 62 and a reference content display area 63 are displayed. The content display screen 61 is displayed on the content display screen 51 so that the title bar of the content display screen 51 shown in FIG.

  In the case of the example of FIG. 9, an electronic book (reference content B) having a title of “World Religion” is displayed in the content display area 62, and the content display area 62 is displayed in the reference content display area 63. Reference content E, reference content F, reference content G, and the like related to the displayed reference content B are displayed.

  In the content display screen 61, the “world religion” electronic book (reference content B) displayed in the content display area 62 includes, for example, “book (category)” and “world religion (title)”. , "Aomori XX (author name)", "Doctrine (contents)", "Religion (contents)", "Son Goku (contents)", "Kakemono (contents)", "India (contents)", and "Legend (contents) ) "Is added as tag information.

  Furthermore, the important words “religion” and “legend” are assigned as tag information to the reference content E displayed in the reference content display area 63, and the important word “religion” is assigned to the reference content F as tag information. In the reference content G, important words “India”, “Gourmet”, “Tourism”, and “Travel” are assigned as tag information.

  That is, the reference content E and the reference content F are presented as having high similarity by being associated with the important word of “religion” of the reference content B, and the reference content G is important for “India” of the reference content B It turns out that it is shown as a thing with high similarity by being tied with a word.

  When the user further selects the reference content G in the reference content display area 63 on the content display screen 61 shown in FIG. 9, the control unit 11 of the terminal 3 instructs distribution of the reference content G (step S12). . Based on this instruction, the server 2 determines another reference content having a high similarity to the reference content G (step S13), and links the other reference content having a high similarity to the reference content G to repackage it. (Step S14), the repackaged reference content G is distributed to the terminal 3 (Step S15). The display control unit 43 of the terminal 3 receives the reference content G distributed from the server 2 and in which other reference content is repackaged, and displays a content display screen 71 as shown in FIG. (Step S16).

  The content display screen 71 shown in FIG. 10 is basically the same as the content display screen 51 shown in FIG. 7 and the like, in which a content display area 72 and a reference content display area 73 are displayed. The content display screen 71 is displayed so as to be superimposed on the content display screen 51 shown in FIG. 7 and the title bar of the content display screen 61 shown in FIG.

  In the case of the example of FIG. 10, the content display area 72 displays a WEB site (reference content G) indicating “Indian travel” guidance of “△△ Travel Agency”, and the reference content display area 73 includes Reference content H, reference content I, reference content J and the like related to the reference content G displayed in the content display area 72 are displayed.

  In addition, on the content display screen 71, the “Indian travel” WEB site (reference content G) displayed in the content display area 72 includes, for example, “WEB (category)”, “Indian travel (title)”, “ Δ △ Important words such as “Travel company (title)”, “India (content)”, “Gourmet (content)”, and “Travel (content)” are assigned as tag information.

  Further, the important word “India” is given as tag information to the reference content H displayed in the reference content display area 73, and “grass”, “India”, and “gourmet” are added to the reference content I. Important words are given as tag information, and the important words “India” and “Gourmet” are given as tag information to the reference content J.

  That is, the reference content H is presented as having high similarity by being associated with the important word “India” of the reference content G, and the reference content I and the reference content J are “India” and “ It can be seen that it is presented as having a high degree of similarity by being associated with the key word “gourmet”.

  Then, when the user presses the button 74 with the name “Click here for details” on the content display screen 71 shown in FIG. 10, the “Indian Travel” WEB site provided by “△△ Travel Agency” is stored on the server. 2, for example, a detailed information screen 81 as shown in FIG. 11 can be displayed.

  In this way, the user can browse (select) the reference content presented in one corner of the electronic book while browsing the electronic book (starting content) of “Evolution of Monsters”, thereby providing detailed information on “India Travel”. Can be reached.

  When the user further selects the reference content I in the reference content display area 73 on the content display screen 71 shown in FIG. 10, the control unit 11 of the terminal 3 instructs the distribution of the reference content I (step S12). . Based on this instruction, the server 2 determines another reference content having a high similarity to the reference content I, repackages the content, and distributes the content (steps S13 to S15). The display control unit 43 of the terminal 3 receives the repackaged reference content I distributed from the server 2, and displays the content display screen 91 as shown in FIG. S16).

  The content display screen 91 shown in FIG. 12 is basically the same as the content display screen 51 shown in FIG. 7 and the like, and a content display area 92 and a reference content display area 93 are displayed. The content display screen 91 is a state in which the title bar of the content display screen 51 shown in FIG. 7, the content display screen 61 shown in FIG. 9, and the content display screen 71 shown in FIG. Are displayed on the screen.

  In the case of the example in FIG. 12, a WEB site (reference content I) indicating “AAA mail order” guidance is displayed in the content display area 92, and displayed in the content display area 92 in the reference content display area 93. Reference content K, reference content L, reference content M, and the like related to the reference content I are displayed.

  Then, when the user presses a button 94 to which the name “purchase” is given on the content display screen 91 shown in FIG. 12, a purchase WEB site for “Indograss” provided by “AAA mail order” is displayed from the server 2. For example, a purchase screen 101 as shown in FIG. 13 can be displayed.

  In this way, the user can purchase “Indian Glass” by browsing (selecting) the reference content presented in one corner of the electronic book while browsing the electronic book (starting content) of “The Evolution of Monsters”. You can get to it.

  Returning to the description of FIG. In step S17, if the selection detection unit 41 of the terminal 3 determines whether or not the reference content has been selected by the user, or if the reference content has not been selected, the process proceeds to step S18, and further, the user is instructed to end browsing. It is determined whether or not.

  In step S18, when the selection detection unit 41 of the terminal 3 determines that the user has not instructed to end browsing, the selection detection unit 41 returns to step S17 and repeatedly executes the above-described processing. In step S18, when the selection detection unit 41 of the terminal 3 determines that the user has instructed the end of browsing, the content distribution process ends.

  Through the above processing, the user can be presented with reference content related to a scene such as text, chapter, or section displayed on the current screen while browsing the electronic book (starting content). Further, the user can receive presentation of other reference content related to the reference content by selecting the reference content.

  In the above, when browsing of the electronic book is instructed at the terminal 3, the server 2 determines the reference content related to the contents of the electronic book based on the instruction and presents it to the terminal 3. Of course, it is possible to perform all processing on the server 2.

  Further, every time the reference content is determined, the server 2 associates the reference content with the starting content and repackages it. However, the present invention is not limited to this. For example, the reference content is associated with the starting content in advance. By holding the packaged information, it is possible to quickly distribute (present) the packaged content to the terminal 3.

[Effect in the first embodiment of the present invention]
1. As described above, the server determines an important word based on all parts of speech in a meaningful unit such as text, chapter, or section displayed on the current screen of the electronic book being browsed by the user. Can be determined and displayed on the electronic book display screen. As a result, the user can easily browse (select) the reference content.
2. Further, when the user selects the reference content on the electronic book display screen, the server further determines other related reference content from the content of the selected reference content, and displays another reference content display screen so that the connection can be understood. Can be displayed.
3. Since the reference content related to the content of the origin content and other reference content related to the content of the reference content are linked in a tree structure, the user can leave a display screen of the electronic book (origin content) The display screen of the reference content can be freely moved back and forth, and this is an opportunity to expand interest and interest.

[Second embodiment of the present invention]
Next, a second embodiment of the present invention will be described.

  In the second embodiment, the basic configuration of the content distribution system 1 (FIG. 1) and the hardware configuration of the server 2 (terminal 3) (FIG. 2) are the same as those in the first embodiment. In the first embodiment, important words are determined based on all parts of speech in meaningful units such as text, chapters, or sections displayed on the current screen of the electronic book (starting content) for which browsing has been instructed. However, in the second embodiment, when a keyword is selected by the user in the electronic book (starting content) being browsed, the reference information specialized for the scene is presented. Important words are determined and reference information is presented.

(Database creation processing of the second embodiment)
FIG. 14 is a flowchart for explaining database creation processing executed by the server 2 according to the second embodiment. In addition, since the process of step S23-step S25 is the same as the process of step S4-step S6 shown to the flowchart of FIG. 5 mentioned above, the description is abbreviate | omitted suitably.

  In step S <b> 21, the computerization unit 21 of the server 2 digitizes the HTML data and XML data of the electronic book as the starting point into starting point content that can be processed or processed in the present embodiment. In step S <b> 22, the computerization unit 21 of the server 2 stores the starting content digitized in the process of step S <b> 1 in the starting content database 23.

  In steps S <b> 23 to S <b> 25, other content is digitized into reference content, an important word is determined from the reference content, and the determined important word is associated with the reference content and stored in the reference content database 24.

  In step S26, the control unit 11 of the server 2 stores whether or not all data processing is completed, that is, stores all starting contents in the starting contents database 23 and links all reference contents and important words. If it is determined whether or not the processing to be stored in the reference content database 24 has been performed, and it is determined that the processing of all data has not been completed yet, the processing returns to step S21 and step S23, and the above-described processing is repeatedly executed.

  In step S26, when the control unit 11 of the server 2 determines that the processing of all data has been completed, the database creation processing ends.

  As described above, the server 2 stores only the starting content in the starting content database 23 and stores the reference content and the important word in the reference content database 24 in advance.

(Reference information presentation process of the second embodiment)
FIG. 15 is a flowchart showing the reference information presentation process executed by the reference information presentation system 1.

  In step 31, the selection detection unit 41 of the terminal 3 detects that the display of predetermined content (electronic book) is instructed by the user. In step S <b> 32, the control unit 11 of the terminal 3 instructs the server 2 to distribute content via the network 4.

  In step S <b> 33, the control unit 11 of the server 2 reads the content instructed from the terminal 3 via the network 4 from the origin content database 23 and distributes the read content to the terminal 3 via the network 4.

  In step S <b> 34, the display control unit 43 of the terminal 3 receives the content distributed from the server 2 via the network 4 and causes the display unit 16 to display a content display screen.

  FIG. 16 is a diagram illustrating a display example of the content display screen.

  On the content display screen 111 shown in FIG. 16, a content display area 112 for displaying content instructed to browse by the user is displayed. In the case of the example of FIG. 16, the content display area 112 displays an electronic book (starting content) having the book name “Evolution of Monsters”.

  Returning to the description of FIG. In step S35, the selection detection unit 41 of the terminal 3 determines whether or not a keyword has been selected by the user, that is, whether or not the keyword has been selected in the content display area 112 of the content display screen 111 by the user. Is determined not yet to be selected, the process returns to step S34, and the above-described process is repeated (the display state is maintained).

  In step S35, when the selection detection unit 41 of the terminal 3 determines that the keyword has been selected by the user, the process proceeds to step S36, and the control unit 11 of the terminal 3 sends the selected keyword to the server 2 via the network 4. Send.

  For example, in the content display area 112 of the content display screen 111 shown in FIG. 16, when the user selects a sentence (shaded display in the figure) of “demon wearing a tiger skin”, the sentence is displayed. The selected keyword is transmitted to the server 2.

  In step S37, the keyword determining unit 24 of the server 2 receives the keyword transmitted from the terminal 3 via the network 4, and in step S38, morphological analysis is performed on the content of the received keyword to determine the keyword. . For example, from one sentence of “a demon wearing a tiger skin”, “tiger”, “虎”, and “demon” are determined as important words.

  In step S39, the reference content determination unit 25 of the server 2 refers to the important words determined in the process of step S38 (in this case, “tiger”, “で”, and “demon”) and the reference content database 24. The similarity with the important word associated with the content is calculated by the TF / IDF method. The reference content determination unit 25 determines a predetermined number of reference contents having a high similarity to the starting content as a result of the similarity calculation.

  In step S <b> 40, the content distribution unit 27 of the server 2 distributes the reference content determined in step S <b> 39 to the terminal 3 via the network 4.

  In step S <b> 41, the display control unit 43 of the terminal 3 receives the reference content distributed from the server 2 via the network 4 and displays it on the content display screen 111. Thus, for example, as shown in FIG. 17, a reference for displaying reference content related to the keyword (demon wearing a tiger skin) on the content display area 112 on the content display screen 111 is displayed. A content display area 113 is further displayed.

  In the case of the example of FIG. 17, the reference content display area 113 includes reference content A related to the keyword selected in the starting content displayed in the content display area 112 (moving movie having the movie title “Kaidan Monogatari”), reference Content B (electronic book with the title of “religion of the world”), reference content C (electronic book with the title of “Quote Mug”), reference content C (a product with the name “Haunted Keychain”), etc. Is displayed.

  Returning to the description of FIG. In step S42, the selection detection unit 41 of the terminal 3 determines whether or not the reference content is selected by the user, that is, whether or not predetermined reference content in the reference content display area 113 of the content display screen 111 of FIG. 17 is selected. If it is determined that the reference content has been selected, the process proceeds to step S43.

  In step S <b> 43, the control unit 11 of the terminal 3 instructs the server 2 to distribute reference content via the network 4. In step S <b> 39, the additional content determination unit 28 of the server 2 is associated with the important word associated with the reference content instructed to be distributed from the terminal 3 via the network 4 and other reference content with the reference content database 24. The degree of similarity with the important word is calculated by the TF / IDF method, and a predetermined number of other reference contents having a high degree of similarity are determined.

  In step S40, the content repackaging unit 26 of the server 2 repackages the other reference content determined in the process of step S39 in association with the reference content. The content distribution unit 27 of the server 2 distributes the repackaged content to the terminal 3 via the network 4.

  In step S41, the display control unit 43 of the terminal 3 receives the reference content distributed from the server 2 via the network 4, and displays the content display screen 61 as shown in FIG. Let Note that a specific processing example when the reference content is selected has been described in detail in the first embodiment, and is omitted here.

  Returning to the description of FIG. In step S42, if the selection detection unit 41 of the terminal 3 determines whether or not the reference content has been selected by the user and determines that the reference content has not been selected, the process proceeds to step S44, and further, the user is instructed to end browsing. It is determined whether or not.

  In step S44, if the selection detection unit 41 of the terminal 3 determines that the user has not instructed to end browsing, the selection detection unit 41 returns to step S42 and repeatedly executes the above-described processing. And in step S44, the selection detection part 41 of the terminal 3 complete | finishes a content delivery process, when it determines with the browsing termination being instruct | indicated by the user.

  By the above processing, the user can receive presentation of reference content related to the keyword by selecting a sentence of interest in the electronic book (starting content) being browsed as a keyword. Further, the user can receive presentation of other reference content related to the reference content by selecting the reference content.

[Effects of the Second Embodiment of the Invention]
1. As described above, when a keyword is selected in the electronic book being browsed by the user, the server can determine related reference content from the keyword and display it on the electronic book display screen. As a result, the user can easily browse (select) the reference content.
2. Further, when the user selects the reference content on the electronic book display screen, the server further determines other related reference content from the content of the selected reference content, and displays another reference content display screen so that the connection can be understood. Can be displayed.
3. Since the keywords selected in the electronic book and the reference content related to the keywords are linked in a tree structure, the user can freely display multiple reference content display screens while leaving the display screen of the electronic book (starting content). You can go back and forth and it will be a chance to expand your interests and interests.

[Modification]
In the above processing, as shown in FIG. 9 and FIG. 10 and the like, the display screen 51 of the origin content of the vertically written electronic book is arranged on the upper side, and the display screens 61 and 71 of the reference content are sequentially displayed on the lower side. However, the present invention is not limited to this. For example, as shown in FIG. 18, the starting content display screen 51 may be arranged on the right, and the reference content display screen 61 may be sequentially displayed on the left.

  Further, for example, as shown in FIG. 19, the display screen 51 of the starting content of the horizontally written electronic book is arranged on the upper side, and the display screen 61 of the reference content is sequentially displayed on the lower side, or as shown in FIG. As described above, the display screen 51 of the starting content of the horizontally written electronic book may be arranged on the left, and the display screen 61 of the reference content may be sequentially displayed on the right.

  In the second embodiment, the keyword is determined from the keyword selected by the user. However, the present invention is not limited to this, and the keyword may be determined from the paragraph including the selected keyword. . Thereby, peripheral words in the vicinity of the important word can also be handled as important words for associating the reference content, and more various reference contents can be associated.

  The preferred embodiments such as the reference information presentation device according to the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to such examples. It will be apparent to those skilled in the art that various changes or modifications can be conceived within the scope of the technical idea disclosed in the present application, and these naturally belong to the technical scope of the present invention. Understood.

DESCRIPTION OF SYMBOLS 1 ......... Reference information presentation system 2 ......... Server 3 ......... Terminal 4 ......... Network 11 ......... Control part 12 ......... Storage part 16 ......... Display part 22 ......... Important word determination part 23 ......... Starting content database 24 ......... Reference content database 25 ......... Reference content determination unit 26 ......... Content repackaging unit 27 ......... Content distribution unit

Claims (13)

A reference information presentation system in which a server and a terminal are connected via a network,
The server
First storage means for storing information relating to an electronic book and key words included in the information relating to the electronic book in association with each other;
Second storage means for storing information relating to reference information and key words included in the reference information in association with each other;
When browsing of the electronic book is instructed from the terminal, an important word associated with the electronic book instructed to browse is read from the first storage unit, and stored in the second storage unit. A reference information determining means for calculating a similarity with an important word linked to the reference information and determining the reference information having a high similarity;
Distribution means for packaging and distributing the reference information determined by the reference information determination means in the electronic book;
With
The terminal
Presenting means for receiving the electronic book packaged with the reference information distributed based on the browsing instruction of the electronic book and presenting the reference information together with the electronic book on a display screen;
A reference information presentation system comprising: 2. The reference information presentation according to claim 1, wherein the reference information determination unit determines the important word associated with the electronic book instructed to be browsed from keywords selected in the electronic book. system. The terminal further comprises selection means for selecting the reference information presented on the display screen,
When the selection of the reference information is instructed from the terminal, the reference information determination unit displays the important word associated with the reference information and other reference information stored in the second storage unit. Calculate the similarity with the associated key word, determine the other reference information with high similarity,
The reference information presenting system according to claim 1, wherein the presenting means presents the other reference information determined by the reference information determining means on a second display screen. The reference information presenting system according to claim 3, wherein the presenting unit presents the second display screen so as to overlap a part of the display screen. The reference information includes at least one of information on an electronic book, information on a web article, information on an image, information on a video, information on a product, information on a place, information on an author, and information on a reader. Item 4. The reference information presentation system according to Item 1. A reference information presentation method for a reference information presentation system in which a server and a terminal are connected via a network,
First storage means for storing information relating to an electronic book, and important words included in the information related to the electronic book, and information relating to reference information, and a first word that stores important words included in the reference information in association with each other. Two storage means, the server comprising:
When browsing of the electronic book is instructed from the terminal, an important word associated with the electronic book instructed to browse is read from the first storage unit, and stored in the second storage unit. Calculating a similarity with the key word linked to the reference information, and determining the reference information having a high similarity;
A distribution step in which the reference information determined in the reference information determination step is packaged and distributed in the electronic book;
Run
The terminal is
A presentation step of receiving the electronic book packaged with the reference information distributed based on an instruction to browse the electronic book, and presenting the reference information together with the electronic book on a display screen;
The reference information presentation method characterized by performing. A reference information presentation system program in which a server and a terminal are connected via a network,
The server,
First storage means for storing information relating to an electronic book and key words included in the information relating to the electronic book in association with each other;
Second storage means for storing information relating to reference information and key words included in the reference information in association with each other;
When browsing of the electronic book is instructed from the terminal, an important word associated with the electronic book instructed to browse is read from the first storage unit, and stored in the second storage unit. A reference information determining means for calculating a similarity with an important word linked to the reference information and determining the reference information having a high similarity;
Distribution means for packaging and distributing the reference information determined by the reference information determination means in the electronic book;
Function as
The terminal
Presenting means for receiving the electronic book packaged with the reference information distributed based on the browsing instruction of the electronic book and presenting the reference information together with the electronic book on a display screen;
Program to function as. First storage means for storing information relating to an electronic book and key words included in the information relating to the electronic book in association with each other;
Second storage means for storing information relating to reference information and key words included in the reference information in association with each other;
When browsing of the electronic book is instructed from a terminal connected via a network, an important word associated with the electronic book instructed to browse is read from the first storage unit, and the second storage A reference information determining means for calculating a similarity with an important word associated with the reference information stored in the means and determining the reference information having a high similarity;
Distribution means for packaging the reference information determined by the reference information determination means into the electronic book and distributing it to the terminal;
A server comprising: The server according to claim 8, wherein the reference information determination unit determines the important word associated with the electronic book instructed to browse from a keyword selected in the electronic book. When the selection of the reference information is instructed from the terminal, the reference information determination unit displays the important word associated with the reference information and other reference information stored in the second storage unit. The server according to claim 8, wherein a similarity with a linked important word is calculated, and the other reference information having a high similarity is determined. The reference information includes at least one of information on an electronic book, information on a web article, information on an image, information on a video, information on a product, information on a place, information on an author, and information on a reader. Item 9. The server according to item 8. First storage means for storing information relating to an electronic book, and important words included in the information related to the electronic book, and information relating to reference information, and a first word that stores important words included in the reference information in association with each other. A reference information delivery method for a server comprising two storage means,
When browsing of the electronic book is instructed from a terminal connected via a network, an important word associated with the electronic book instructed to browse is read from the first storage unit, and the second storage A reference information determination step of calculating a similarity with an important word linked to the reference information stored in the means and determining the reference information having a high similarity;
A distribution step of packaging the reference information determined in the reference information determination step into the electronic book and distributing the package to the terminal;
The reference information delivery method characterized by performing. Server
First storage means for storing information relating to an electronic book and key words included in the information relating to the electronic book in association with each other;
Second storage means for storing information relating to reference information and key words included in the reference information in association with each other;
When browsing of the electronic book is instructed from a terminal connected via a network, an important word associated with the electronic book instructed to browse is read from the first storage unit, and the second storage A reference information determining means for calculating a similarity with an important word linked to the reference information stored in the means and determining the reference information having a high similarity;
Distribution means for packaging the reference information determined by the reference information determination means into the electronic book and distributing it to the terminal;
Program to function as.

Images