JP2007122270A - System, method, and program for information retrieval display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system capable of quickly displaying information retrieval results without excessively consuming a memory of its terminal and without generating screen transition to a processing request, its method, and its program. <P>SOLUTION: The information retrieval display system comprises a Web server connected via a communication network, a client terminal, and a document server. Separately from a structured language file β1 displayed on the client terminal in a overlapped state a structured language file γ1 is automatically and asynchronously displayed. A structured language file concerned with explanation information which is the explanation information α1 matching a specific keyword α in the file β1 extracted from the document server via the Web server, is made the above file γ1. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  According to the present invention, the explanation information corresponding to the keyword specified on the client terminal side is automatically transmitted to other databases on the network via a Web server connected via the communication network. The present invention relates to a system, a method, and a program for displaying a search result quickly by enabling a search.

  In recent years, an online dictionary service that provides dictionary content via a communication network such as the Internet is known. In the service, a general user inputs a keyword to be checked by operating his / her terminal at a site on a communication network established by the service provider, and explanation information corresponding to the keyword from dictionary contents provided in the site Receive and receive the transfer.

  As a service that is an extension of the online dictionary, there is known a technique that makes it possible to collect a group of phrases that do not exist in a standard dictionary such as current affairs (see, for example, Patent Document 1).

  In the dictionary content providing service and the technology related to the literature, a browser screen transition occurs every time an HTTP request is issued from a user terminal. That is, as shown in FIG. 2, after the request, the user has a waiting time t until the processing result for the request is displayed.

  This is because the server that has acquired the HTTP request to the content providing server generated by the user's operation on the interface in the operation model of the conventional web application analyzes, processes, etc. the data related to the request. This is because an HTML page is to be returned to the user.

JP 2004-70547 A

  As described above, according to the prior art, the user has to feel a screen transition for each processing request. When a plurality of processes are requested, the user is forced to wait for the request result to be displayed for each process, and the user cannot use the terminal during that period. Even if the keyword is the same, the screen transition occurs even after the second time as long as the operation model of the Web application has the above processing structure.

  In addition, when the information once retrieved and displayed is arbitrarily used in its own terminal, the problem of the display waiting time can be solved by saving it in its own storage device. Is not preferable in that it requires a large amount of time.

  In view of the above points, an object of the present invention is to provide a system that displays a quick information search result without excessively consuming the memory of its own terminal, without causing screen transition in response to a processing request. And

  In order to solve the above problems, the present invention has the following configuration. In other words, the information search and display system according to claim 1 includes a Web server, a client terminal, and a document server connected via a communication network, and automatically provides explanation information that matches a specific keyword in the structured language file. An information search and display system that displays the information in a superimposed and asynchronous manner separately from the structured language file, and the Web server recognizes the keyword α input from the client terminal and the structured language file β to which the keyword α belongs. And a tag for specifying the keyword α is added to the recognized file β, and a reference destination address in the Web server is added to generate a new structured language file β1. Structured language processing means 1; transmission means for transmitting the generated structured language file β1 to the client terminal; Tag recognition means for recognizing the specific tag added to the file β1 upon receiving access to the voluntary reference destination address by the client terminal, and keyword detection for detecting the keyword α specified by the recognized tag Means for requesting the document server for explanation information α1 corresponding to the detected keyword α, and a structured language file relating to the explanation information α1 transmitted by the document server in response to the request for explanation information Structured language processing means 2 for generating a structured language file γ1 by performing a process of cutting out a source enclosed in a tag indicating the end of document information from the HTML source of γ, and the generated structure Storage means for storing the generalized language file γ1 as a cache file, and reading the stored cache file to store the file γ1 And transfer means for transferring one of the parts enclosed by the paragraph tag including the keyword α in the file γ1 to the client terminal, and the client terminal includes at least the transferred structured language file γ1 Recognizing means for recognizing one of the parts enclosed by the paragraph tag including the keyword α in the file γ1 and the recognized information are displayed in a superimposed manner separately from the structured language file β1. Display means, and the document server stores storage means for storing a term dictionary composed of set information in which a headword and explanation information of the headword are associated with each other, and the explanation information from the Web server In response to the request, an entry word detecting means for detecting an entry word α matching the keyword α and an explanation information extraction for extracting the explanation information α1 matching the detected entry word α from the storage means. Means, is characterized in that a transmission means for transmitting the description information α1 issued extract to the Web server.

  The information search and display system according to claim 2 includes a Web server, a client terminal, and a document server connected via a communication network, and is superposed separately from the structured language file β1 displayed on the client terminal. In particular, the structured language file γ1 displayed automatically and asynchronously is extracted from the document server via the Web server as explanatory information that matches the keyword α specified in the structured language file β1. It is based on the structured language file related to the explanation information α1.

  Further, in the information search and display system according to claim 3, in the configuration according to claim 2, the structured language file β <b> 1 is Web-based with respect to the HTML source of the structured language file β arbitrarily designated by the client terminal. The server is characterized in that it is a file newly generated by applying a tag specifying the keyword α for displaying the description information and applying the external reference destination URI data.

  According to a fourth aspect of the present invention, there is provided the information search / display system according to the second aspect, wherein the structured language file γ1 is related to the explanation information α1 corresponding to the keyword α extracted from the document server. The Web server is a file newly generated by processing to cut out based on a tag indicating the end of document information with respect to the HTML source of γ.

  Further, in the information search and display system according to claim 5, in the configuration according to claim 4, the structured language file γ is explanatory information that matches the keyword α extracted by the document server in response to the search request from the Web server. It is a structured language file related to α1.

  The information search / display system according to claim 6 is characterized in that, in the configuration according to claim 5, the search request by the Web server is made based on the structured language file β1 processed by the Web server. .

The information search and display method according to claim 7 includes a Web server, a document server, and a client terminal connected via a communication network, and automatically provides explanation information that matches a specific keyword in the structured language file. And a method for displaying and displaying the keyword α input from the client terminal and the structured language file β to which the keyword α belongs, wherein the information search and display method is displayed in a superimposed manner and asynchronously separately from the file. Adding a tag for specifying the keyword α to the file β and adding a reference address in the Web server to create a new structured language file β1; Transmitting to the client terminal and accessing the reference address voluntarily by the client terminal The step of recognizing the specific tag received and added to the file β1, the step of detecting the keyword α specified by the recognized tag, and the explanation information α1 corresponding to the detected keyword α And the document server that receives the request from the storage means storing the term dictionary composed of the set information in which the headword and the explanation information of the headword are associated with each other, to the keyword α A step of detecting a matching headword α, a step of extracting explanation information α1 that matches the detected headword α, a step of transmitting the extracted explanation information α1 to the Web server, The Web server that has received the transmission adds a source enclosed in a tag indicating the end of the document information from the HTML source of the structured language file γ related to the description information α1. Alms, and the step of generating a structured language file γ1,
Saving the file γ1 as a cache file, reading the saved cache file, and transferring the file γ1 and one of the parts of the file γ1 enclosed by the paragraph tag including the keyword α to the client terminal And the step of recognizing the client terminal that has received the transfer recognizes one of the structured language file γ1 and a part of the file γ1 enclosed in the paragraph tag including the keyword α. And displaying the information in a superimposed manner separately from the structured language file β1.

An information search and display program according to claim 8 comprises a Web server, a client terminal, and a document server connected via a communication network, and automatically provides explanation information that matches a specific keyword in a structured language file. And an information search / display program for causing the means related to the information search / display system to display the file in a superimposed manner and asynchronously separately from the file, and the keyword α and the keyword input from the client terminal as a Web server computer Recognizing means for recognizing the structured language file β to which α belongs, a tag identifying the keyword α is added to the file β, and a reference address in the Web server is added to create a new structure Structured language processing means 1 for creating a structured language file β1, and the file β1 at the client end A tag recognizing unit for recognizing the specific tag added to the file β1 upon receiving access to the voluntary reference destination address by the client terminal, and a tag identified by the recognized tag Keyword detection means for detecting the keyword α, explanation information request means for requesting the document server for explanation information α1 matching the detected keyword α, and the explanation information transmitted by the document server in response to the explanation information request Structured language processing means 2 for generating a structured language file γ1 by cutting out a source enclosed in a tag indicating the end of document information from the HTML source of the structured language file γ related to α1, Storage means for storing the file γ1 as a cache file; and reading the stored cache file; And a part of the file γ1 surrounded by the paragraph tag including the keyword α is made to function as a transfer means for transferring to the client terminal, and the client terminal computer is transferred from at least the Web server. Recognizing means for recognizing one of the parts enclosed by the paragraph tag including the keyword α in the structured language file γ1 and the keyword γ1, and the recognized information separately from the structured language file β1 The document server computer stores a term dictionary composed of collective information in which headwords and explanation information of the headwords are associated with each other, and the explanation from the Web server In response to an information request, a headword detection unit that detects a headword α that matches the keyword α from the storage unit;
Explanation information extracting means for extracting explanation information α1 matching the detected headword α,
The extracted description information α1 is made to function as a transmission means for transmitting to the Web server.

  According to the present invention, a client terminal user stores a predetermined keyword on a structured language file such as HTML created by the client terminal in a predetermined server on a communication network in a simple procedure. The text information associated with the keyword can be linked to specific information, and automatically to the client terminal in a superimposed manner separately from the structured language file and without screen transition. Can be displayed.

This embodiment will be described with reference to the drawings.
1 is a diagram showing an outline of a network configuration of a Web server, a client terminal, and a document server according to the present invention, FIG. 2 is a diagram showing a communication sequence in a conventional Web application model, and FIG. 3 is a keyword and HTML file to be converted. FIG. 4A is a diagram showing that a predetermined keyword has been converted in the HTML file subjected to the conversion process, and FIG. 4B is a link display to another keyword. FIG. 5 is a diagram showing the transition of the structured language file, and FIG. 6 is a diagram showing a communication sequence according to the present invention.

  In the figure, 1 is a Web server, 2 is a communication network, 3 is a client terminal, and 4 is a document server.

  The system according to the present invention according to the present embodiment has a configuration in which a Web server 1 is connected to a client terminal 3 and a document server 4 via a communication network 2 such as the Internet (FIG. 1).

  The terminal 3 constituting the present invention includes display means such as a CRT or a liquid crystal display, and input means (not shown) such as a keyboard and a mouse, and accesses the Web server 1 via the communication network 2 to receive information. Necessary means for operating a computer that the computer normally has, in addition to necessary communication means for the control, that is, a control device, an arithmetic device, a register, and a program for processing a predetermined program, necessary data, execution of the program, etc. Naturally, hardware such as a central processing unit (CPU) including a counter and a clock, a main storage device, an auxiliary storage device, and input / output means is included. In addition to the necessary software, the hardware and the operating system for managing the software are provided.

The Web server 1 constituting the present invention has at least the following functions in addition to communication means necessary for communication with the client terminal 3 and the document server 4.
Keyword recognition means. The keyword recognizing unit manages a function of recognizing a specific keyword α input from the client terminal 3 as a conversion scheduled keyword related to the structured language file β.
Here, the keyword α is a content that is contained in an arbitrary structured language file β created by the user and that is desired to be converted to add further information.

  Structured language processing means 1. The structured language processing unit 1 adds a tag for identifying a keyword to be converted to the source code of the HTML file in the structured language file β to which the keyword belongs, for the specific keyword α input from the client terminal 3. In addition, a reference destination address in the Web server 1 is added to control a function for newly generating a structured language file β1.

  Transmission means. The transmission unit manages the function of transmitting the generated structured language file β1 to the client terminal 3.

  Tag recognition means. When the browser related to the structured language file β1 is activated in the client terminal 3, the tag recognition means performs independent access to the added reference address. At that time, the Web server 1 manages the function of recognizing the tag added to the conversion scheduled keyword α added to the structured language file β1.

  Keyword detection means. The keyword detection means controls the function of detecting the keyword α related to the tag recognized by the tag recognition means.

  Explanation information request means. The explanation information requesting unit manages the function of requesting the document server 4 on the communication network to return the explanation information α1 corresponding to the detected keyword α.

  Structured language processing means 2. The structured language processing means 2 obtains only the explanation part for each keyword from the HTML source related to the structured language file γ (described later) corresponding to the explanation information α1 corresponding to the keyword α returned from the document server 4. It controls the function of cutting out a tag indicating the end of the document information as a mark, embedding a predetermined object-oriented script language in the structured language file γ, and newly generating a structured language file γ1.

  Storage means. The storage unit manages the function of storing the structured language file γ1 in the cache file of the Web server 1.

  Transfer means. The transfer means reads the cache file related to the stored structured language file γ1, and transfers the file γ1 or a portion enclosed in the paragraph tag including the keyword α to the client terminal 3 in the file γ1. Control functions.

The document server 4 constituting the present invention has at least the following functions.
Storage means. The storage unit manages a function of storing set information in which a headword to be searched is associated with explanatory information that matches the headword.

  Headword detection means. The headword detecting unit manages a function of detecting a headword that matches the keyword α requested from the Web server 1.

  Explanation information extraction means. The explanation information extracting means manages the function of extracting the explanation information corresponding to the detected headword from the storage means.

  Transmission means. The transmission means manages the function of transmitting the structured language file γ related to the explanation information α1 corresponding to the extracted keyword α to the Web server 1.

The specific flow of the embodiment of the present invention will be described below.
[First stage / Figure 5]
A process in which a user receives a conversion process for keywords belonging to his / her arbitrary HTML file will be described.

  In order to receive a service by the system according to the present invention, the user starts a web browser associated with his / her own terminal (client terminal 3), and accesses the web server 1 adopting the present system via a communication network. At this time, it is assumed that the user has created a structured language file β in HTML format created in advance and stored locally (a predetermined storage area in the client terminal 3).

  When the Web server 1 is accessed, a screen for accepting conversion processing of a keyword that the user desires to convert appears on the display screen of the client terminal 3 (FIG. 3). Here, the keywords “Internet” and “Rental Server” (hereinafter referred to as “keyword α”) are entered in the input field titled “Keywords to be converted (every line feed)”.

  Next, after clicking the “Browse” button to specify the structured language file β to which the keyword α belongs, clicking the “Convert” button links to the structured language file β and the conversion process is completed. .

  In the conversion process, the structured language processing means 1 of the Web server 1 adds a tag for identifying the keyword α as a keyword to be converted to the keyword α in the source code of the structured language file β before conversion. In addition, a reference destination address in the Web server 1 is added and a structured language file β1 is newly generated. Then, the generated structured language file β1 is transmitted to the client terminal 3 by the transmission means included in the Web server 1 and stored in a predetermined area in the client terminal 3 to complete the conversion process.

[Second stage / Figure 5]
Next, when a Web browser is activated for the converted HTML file β1 in the client terminal 3 and placed on the communication network, an event for the keyword α is prepared. In other words, this is a preparation stage of processing execution for requesting explanation information for the keyword α. still. On the screen, the keyword α is bold to indicate that a link has been established.

  Here, when the mouse pointer passes the keyword link related to the keyword α, or when the keyword link related to the keyword α is clicked with a pointing device such as a mouse, the event is automatically driven. That is, a request is made to the Web server 1 with a parameter that only the top information is desired among the keyword α and the explanation information that matches the keyword α. As a result, the server notification process configured in the object-oriented script language is started internally, and the Web server 1 recognizes the specific tag in the structured language file β1 by the tag recognition unit, and the tag detection unit performs the tag detection. The keyword α related to is detected.

[Stage 3 / Fig. 5]
Next, the Web server 1 requests the document server 4 to return the description information α1 that matches the detected keyword α by the description information requesting means. Although not shown, the Web server 1 checks whether or not there is a cache file related to the explanation information α1 before making a request to the document server 4. If the cache file already exists, the Web server 1 makes a request to the document server. Without this, the portion of the file or the file γ1 enclosed by the paragraph tag including the keyword α is transferred to the client terminal.

  Upon receiving the request, the document server 4 detects the headword α that matches the keyword α requested from the Web server 1 by the headword detection unit, and the explanation information extraction unit detects the headword α. The explanation information α1 matching the word α is extracted from the storage means.

  The structured language file γ related to the explanation information α1 corresponding to the extracted keyword α is transmitted to the Web server 1 by the transmitting means.

Upon receiving the structured language file γ, the Web server reads and processes the client terminal 3 so that the explanation information α1 corresponding to the keyword α is displayed as a pop-up window separately from the content display of the structured language file β1. .
That is, the structured language processing means 2 embeds a predetermined object-oriented script language in the structured language file γ to enable the display, and newly generates a structured language file γ1 in HTML format (or XML format). To do. More specifically, from the HTML source related to the structured language file γ, only the explanation part for each keyword excluding the navigation part and the footer is included in “<!-Start content->>” in the source. Using the tag “<!-End content-!>” Indicating the beginning of the document information as a mark, the cut-out process is performed.

  The Web server 1 saves the generated structured language file γ1 as a cache file by the saving means, reads the cache file, and reads only the head part enclosed by the <P> tag including the keyword α. To the client terminal 3.

  The client terminal 3 that has received the transfer temporarily saves only the top part enclosed by the <P> tag including the keyword α as a temporary file, and the Web browser stores the content related to the structured language file β1. Separately, as the pop-up window, the content related to the head portion enclosed by the <P> tag including the keyword α is displayed on the screen (FIG. 4).

  The client terminal 3 that has received the transfer from the Web server 1 searches the head part enclosed by the <P> tag including the keyword α for the presence or absence of a link to another keyword. When there is a link to the URL, as shown in FIG. 4B, a predetermined setting is made so that the explanation of the other keyword pops up when clicked. The above is the third stage shown in FIG.

  According to the present invention, as shown in FIG. 6, since the top information is stored as a temporary file of the client terminal 3 itself in the explanation information α1 encoded in the keyword α, the pop-up window is temporarily closed. Later, when the α1 is further displayed, the waiting time t becomes zero, and the user can use the terminal without feeling the transition of the screen.

[Fourth Stage / Figure 5]
Furthermore, when “display all” shown in FIG. 4A or the like is clicked, the client terminal 3 makes a request (“HTTP request 2” in FIG. 6) to the Web server 1 with the keyword α and the parameter that the entire text is desired. Receiving this, the Web server 1 returns the entire contents of the cache file related to the description information α1 that matches the keyword α. With this processing, data can be obtained directly from the cache file of the Web server 1 without going through the search / extraction process in the document server 4 again. It can be displayed on the screen of the client terminal 3.

  According to the present invention, without operating a document server that requires excessive capital investment, the client terminal user can connect to any type of document server on the communication network, and the dictionary information related to the server can be arbitrarily Can be diverted to your own structured language file. Therefore, for example, even technical texts can be widely and generally made known by applying the present invention, and it is possible to make them well known in various specialized fields.

  Furthermore, not only the dictionary function, but also storing the corporate advertisement associated with the predetermined keyword in the document server as collective information will increase the possibility of use as a new corporate advertisement. .

It is a figure which shows the outline of a network structure. It is a figure which shows the communication sequence in the conventional web application model. It is a figure which shows the screen which designates the keyword and HTML file to convert. (A) It is a figure which shows having received conversion about the predetermined keyword in the HTML file which received the conversion process. (B) It is a figure which shows that the link display to another keyword was made. It is a figure which shows the transition of a structured language file. It is a figure which shows the communication sequence which concerns on this invention.

Explanation of symbols

1 Web server 2 Communication network 3 Client terminal 4 Document server

Claims (8)

A web server, a client terminal, and a document server connected via a communication network, and explanation information corresponding to a specific keyword in the structured language file is automatically and superimposed separately from the structured language file, and An information search and display system that displays asynchronously,
Web server
A recognition means for recognizing the keyword α input from the client terminal and the structured language file β to which the keyword α belongs;
Structured language processing means for generating a new structured language file β1 by adding a tag specifying the keyword α to the recognized file β and adding a reference destination address in the Web server 1 and
Transmitting means for transmitting the generated structured language file β1 to the client terminal;
Tag recognition means for recognizing the specific tag added to the file β1 upon receiving access to the voluntary reference destination address by the client terminal;
Keyword detecting means for detecting the keyword α specified by the recognized tag;
Explanation information requesting means for requesting the document server for explanation information α1 corresponding to the detected keyword α;
From the HTML source of the structured language file γ related to the explanation information α1 transmitted by the document server in response to the explanation information request, a process is performed to cut out a source enclosed in a tag indicating the end of the document information, A structured language processing means 2 for newly generating a structured language file γ1,
Storage means for storing the generated structured language file γ1 as a cache file;
Transfer means for reading the stored cache file and transferring one of the file γ1 and a part of the file γ1 enclosed by the paragraph tag including the keyword α to the client terminal;
The client terminal recognizes at least one of the transferred structured language file γ1 and one of the parts of the file γ1 enclosed by the paragraph tag including the keyword α;
Display means for displaying the recognized information in a superimposed manner separately from the structured language file β1;
The document server
Storage means for storing a term dictionary composed of set information in which a headword and explanation information of the headword are associated;
In response to the explanation information request from the Web server, an entry word detecting means for detecting an entry word α matching the keyword α from the storage means;
Explanation information extracting means for extracting explanation information α1 matching the detected headword α,
An information search and display system comprising: a transmission unit that transmits the extracted explanation information α1 to the Web server. A structure comprising a Web server, a client terminal, and a document server connected via a communication network, and displayed automatically and asynchronously in a superimposed manner separately from the structured language file β1 displayed on the client terminal The structured language file γ1 is based on the structured language file related to the description information α1 extracted from the document server via the Web server as the description information matching the keyword α specified in the structured language file β1. An information search and display system characterized by that. The structured language file β1 according to claim 2 is a tag addition process for specifying a keyword α for displaying explanation information by a Web server with respect to an HTML source of the structured language file β arbitrarily designated by a client terminal, and An information search and display system characterized in that it is a newly generated file by processing external reference destination URI data. The structured language file γ1 according to claim 2 indicates that the Web server indicates the end of the document information with respect to the HTML source of the structured language file γ related to the explanation information α1 corresponding to the keyword α extracted from the document server. An information search and display system characterized by being a file newly generated by a cutting process based on a tag. 5. The structured language file γ according to claim 4, wherein the structured language file γ is a structured language file related to the explanation information α1 corresponding to the keyword α extracted by the document server in response to a search request from the Web server. system. 6. The information search and display system according to claim 5, wherein the search request by the Web server is made based on the structured language file β1 processed by the Web server. Consists of a Web server, document server, and client terminal connected via a communication network. The description information corresponding to a specific keyword in the structured language file is automatically superimposed on the file separately and asynchronously. An information retrieval display method for displaying,
Web server
Recognizing a keyword α input from a client terminal and a structured language file β to which the keyword α belongs;
Adding a tag identifying the keyword α to the file β and adding a reference address in the Web server to create a new structured language file β1;
Transmitting the file β1 to the client terminal;
Recognizing the specific tag added to the file β1 upon receiving access to the voluntary reference address by the client terminal;
Detecting the keyword α specified by the recognized tag;
Requesting the document server for explanation information α1 corresponding to the detected keyword α;
The document server receiving the request
Detecting a headword α matching the keyword α from the storage means storing a term dictionary composed of set information in which headwords and explanation information of the headword are associated;
Extracting explanation information α1 corresponding to the detected headword α;
Transmitting the extracted explanation information α1 to the Web server;
The web server that received the transmission
Processing to cut out a source enclosed in a tag indicating the end of document information from the HTML source of the structured language file γ related to the explanation information α1, and generating a structured language file γ1;
Storing the file γ1 as a cache file;
Reading the stored cache file, and transferring to the client terminal one of the file γ1 and the portion of the file γ1 enclosed in the paragraph tag including the keyword α;
The client terminal receiving the transfer
Recognizing one of the structured language file γ1 and the portion of the file γ1 enclosed in the paragraph tag including the keyword α;
An information search and display method comprising: displaying the recognized information in a superimposed manner separately from the structured language file β1. Consists of a Web server, client terminal, and document server connected via a communication network. The description information that matches a specific keyword in the structured language file is automatically superimposed on the file separately and asynchronously. An information search and display program for causing a function related to an information search and display system to display functions.
Web server computer
A recognition means for recognizing the keyword α input from the client terminal and the structured language file β to which the keyword α belongs;
A structured language processing means 1 for adding a tag specifying the keyword α to the file β and adding a reference address in the Web server to create a new structured language file β1;
Transmitting means for transmitting the file β1 to the client terminal;
Tag recognition means for recognizing the specific tag added to the file β1 upon receiving access to the voluntary reference destination address by the client terminal;
Keyword detecting means for detecting the keyword α specified by the recognized tag;
Explanation information requesting means for requesting the document server for explanation information α1 corresponding to the detected keyword α;
From the HTML source of the structured language file γ related to the explanation information α1 transmitted by the document server in response to the explanation information request, a process is performed to cut out a source enclosed in a tag indicating the end of the document information, Structured language processing means 2 for generating a structured language file γ1,
Storage means for storing the file γ1 as a cache file;
Reading the saved cache file, and functioning as a transfer means for transferring one of the file γ1 and the portion of the file γ1 enclosed by the paragraph tag including the keyword α to the client terminal;
Recognizing means for recognizing at least one of the parts of the structured language file γ1 transferred from the Web server and the paragraph tag including the keyword α in the file γ1 from the client server.
Functioning as a display means for displaying the recognized information in a superimposed manner separately from the structured language file β1,
Document server computer
Storage means for storing a term dictionary composed of set information in which a headword and explanation information of the headword are associated;
In response to the explanation information request from the Web server, a headword detection unit that detects a headword α that matches the keyword α from the storage unit;
Explanation information extracting means for extracting explanation information α1 matching the detected headword α,
An information search and display program for causing the extracted explanation information α1 to function as a transmission means for transmitting to the Web server.

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