JP2002342371A - System and method for www retrieval - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide WWW page information with high information freshness and to decrease the load quantity for cyclic processing by a WWW robot. SOLUTION: On the basis of a keyword inputted by a WWW client, a database holding WWW page information is retrieved, a list for displaying the retrieved result is prepared and transmitted and in accordance with the designation of a page desired to read on the list from a user, the instruction of link to the designated page is returned. On the basis of the link instruction, WWW page data are acquired from a corresponding WWW server and transmitted to the WWW client and concerning the acquired WWW page data, the database is updated. Simultaneously, concerning the WWW server, the ranking of cyclic order on a cyclic list holding the cyclic priority of WWW server groups on the WWW is lowered for a prescribed portion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a WWW search system and method, and more particularly, to a WWW having a traveling program (WWW robot) for collecting WWW page data.
W search system and method.

[0002]

2. Description of the Related Art A conventional general WWW search system will be described with reference to FIG. As WWW search systems, for example, there are a directory type and a robot type. In the former, a search database is created by registering WWW pages basically by human work. In the latter, automatic collection of WWW page data is performed by an automatic patrol program called "robot" or the like. To build a search database. The present invention relates to a robot type search system.

[0003] First, a user of the WWW client 20 uses a WWW browser to enter a predetermined address (UR).
L) to access the WWW search system 10 on the Internet. The WWW client 20
Connected to the WW server unit 11, the WWW search system 10
Receives a search WWW page (HTML file) provided by. The user inputs a search keyword in the input form. The input keyword is transmitted to the WWW server unit 11. The search engine unit 12 searches the search database 13 using the keyword as an argument, and outputs corresponding WWW page information (information including a URL, a title, a summary, and the like). WWW server unit 1
One or a predetermined program arranges the output WWW page information in a predetermined order, creates a page of a search result list, and transmits the page to the WWW client 20. Next, the user specifies a WWW page desired to be browsed from the search result list (= clicks a link source text information area). The WWW client 20 acquires WWW page data by connecting to the corresponding WWW server according to the link destination URL described in the search result list page as shown in FIG. Thereby, the user can browse a desired WWW page.

A WWW robot unit 14 in the WWW search system patrols the WWW server group 30 at all times or at any time according to a predetermined patrol method, and obtains all or a part of the WWW page data held by each WWW server. I do. The WWW robot unit 14 indexes the acquired data to create and update a search database.
The traveling method, indexing method, and the like vary depending on the implementation policy of the search system. Examples of the traveling method include a method based on an incremental search, and a method of extracting links from a page and following one after another.

[0005] WWW pages are written in HTML (Hyper).
Text Markup Language). WW
The location of the WWW page on W is URL (Uniform Reso
urceLocator) (or URI (Uniform Resource Id
entifier)). URL is a standard for specifying resources on the Internet, a scheme for specifying a protocol used for communication, etc., WWW
Address of WWW server providing the page and W
It consists of a path to a page on the WW server.

Japanese Patent Application Laid-Open No. H11-328191 discloses a technique related to a WWW robot as a conventional technique relating to a search on the WWW. This is to calculate the update frequency and update expectation of each WWW page, and to automatically derive a tour start point and a tour order from this information.

Japanese Patent Laying-Open No. 2000-293425 discloses a search system. In this system,
Each WWW server includes a search unit for periodically searching for WWW page information in the server itself, and a storage unit for storing the searched information, and the WWW robot collects WWW page information from the storage unit. . In this technology, WW
Although it is necessary for the W server to include the above means, the present invention does not aim to prepare each WWW server with a new means for searching.

[0008] The search system disclosed in Japanese Patent Application Laid-Open No. 2000-259676 updates a statistical log management database based on the page name, access date, and time of a search result WWW page.

[0009] The technique disclosed in Japanese Patent Application Laid-Open No. 2000-339321 discloses a client / server system and a search system in which a server obtains information related to information being received / browsed by a client terminal, and the client terminal receives the information as needed. To send to. Japanese Patent Application Laid-Open No. H11-085789 discloses a distributed search technique. This technology performs processing cooperation between WWW servers. The search system disclosed in Japanese Patent Application Laid-Open No. 2000-172614 automatically detects a WWW page whose URL has been changed by searching for an upper URL.

[0010]

The conventional WWW search system has the following problems. First of all,
Since a huge amount of WWW servers around the world are traversed by WWW robots to collect data, the WWW page addresses registered by the WWW robots have a huge amount of data. Therefore, re-touring the registered WWW pages requires a lot of time. WWW
If the time required to re-circulate the page is long, it will take a long time to reflect the content update, URL change, new registration or deletion of the WWW page that has occurred during that time in the search database. Information cannot be provided. For example, when a user tries to access a desired WWW page based on a search result list,
In many cases, the WWW page cannot be accessed because it has been moved (= changed URL) or deleted.

Second, the load on the WWW search system is increasing due to the collection of WWW page data, which is increasing every moment, and the WWW server storing the WWW pages to be searched is also a WWW server. The load increases as the number of search systems increases.

The present invention has been made in view of such a problem, and provides WWW page information with high information freshness without preparing a new means for searching in a WWW server having a WWW page. It is another object of the present invention to provide a WWW search system and method capable of reducing the load of a patrol process performed by a WWW robot.

[0013]

In order to achieve the above object, the invention according to claim 1 searches a database holding WWW page information based on a keyword input by a WWW client and displays a search result. A list to be made is created and transmitted, and in accordance with the designation of the page desired to be browsed by the user in the list, a link instruction to the designated page is returned. Based on the link instruction, a corresponding W
WWW page data is acquired from the WWW server and transmitted to the WWW client, the database is updated with the acquired WWW page data, and at the same time, the traveling list for the WWW server is maintained in the priority traveling order to the WWW server group on the WWW. It is characterized in that the rank of the traveling order is lowered by a predetermined amount.

According to a second aspect of the present invention, there is provided a WWW on the WWW.
WWW for collecting WWW page data from a WWW server based on a circulating list that holds server addresses and a circulating order for the WWW server, indexing the WWW page data, and creating / updating a search database
Searching the database based on the keyword entered by the WWW client in the patrol step;
An element for displaying a list of page information, and the searched W
A search execution for creating a result list WWW page including a WW page address and a link instruction element for returning the address of the designated page in response to designation of the page to be browsed by the user in the list, and transmitting the result list to the WWW client Step: receiving an address from a WWW client, and receiving a WWW from a WWW server corresponding to the address.
A page relay step of acquiring W page data and transmitting it to a WWW client, a DB update step of updating a database using the WWW page data acquired in the page relay step, and a WWW with updated database information in the DB update step A WWW server holding a page is provided with a tour list updating step of lowering a tour order in the tour list by a predetermined rank.

According to a third aspect of the present invention, there is provided a WWW on the WWW.
WWW for collecting WWW page data from a WWW server based on a circulating list that holds server addresses and a circulating order for the WWW server, indexing the WWW page data, and creating / updating a search database
A traveling step, an element for searching a database based on a keyword input by a WWW client, temporarily storing a search result, and displaying a list of searched WWW page information, an identifier corresponding to an address of the searched WWW page, A link instruction element for returning an identifier based on the user's specification of a desired page from the list,
A search execution step of creating a result list WWW page including and sending to a WWW client; receiving an identifier from the WWW client; obtaining a WWW page address corresponding to the identifier from the stored search results; A page relay step of acquiring WWW page data from a WWW server and transmitting it to a WWW client, a DB update step of updating a database using the WWW page data acquired in the page relay step, and updating of database information in a DB update step A WWW server holding the selected WWW page, the tour list updating step of lowering the tour order in the tour list by a predetermined rank.

[0016] The invention according to claim 4 provides a WWW on the WWW.
WWW for collecting WWW page data from a WWW server based on a circulating list that holds server addresses and a circulating order for the WWW server, indexing the WWW page data, and creating / updating a search database
Searching the database based on the keyword entered by the WWW client in the patrol step;
An element for displaying a list of page information, and the searched W
A result list WWW page including a WWW page address, a link element for accessing a corresponding WWW page based on designation of a page desired by the user from the list, and an access notification element for returning an address of the accessed WWW page is stored. A search execution step of creating and transmitting to the WWW client, a page obtaining step of receiving an address from the WWW client and obtaining WWW page data from a WWW server corresponding to the address, and using the WWW page data obtained in the page obtaining step List update step for updating the database by a predetermined rank, and for the WWW server holding the WWW page with the updated database information in the DB update step, lowering the tour order in the tour list by a predetermined rank. It is characterized by having and.

According to a fifth aspect of the present invention, there is provided a WWW on the WWW.
WWW for collecting WWW page data from a WWW server based on a circulating list that holds server addresses and a circulating order for the WWW server, indexing the WWW page data, and creating / updating a search database
A traveling step, an element for searching a database based on a keyword input by a WWW client, temporarily storing a search result, and displaying a list of searched WWW page information, an identifier corresponding to an address of the searched WWW page, Creates a result list WWW page including a link element for accessing a corresponding WWW page based on designation of a page desired by the user from the list and an access notification element for returning an identifier corresponding to the accessed WWW page, and creating a WWW page. A search execution step of transmitting to a client, a page receiving receiving an identifier from a WWW client, obtaining a WWW page address corresponding to the identifier from the stored search results, and obtaining WWW page data from a WWW server corresponding to the address Steps and And DB update step of updating the database using the WWW page data acquired in over di acquisition step, WWW carrying WWW pages that have been updated in the database information in DB update step
The server is characterized in that the server includes a tour list updating step of lowering the order of the tour in the tour list by a predetermined rank.

According to a sixth aspect of the present invention, in the invention of any one of the second to fifth aspects, the circulating list updating step lowers the traversal order rank of the WWW server to the lowest order. I have.

[0019] The invention according to claim 7 is a WWW on WWW.
WWW circulating means for circulating on the basis of a circulating list holding a server address and a circulating order for the WWW server to collect WWW page data, indexing the WWW page data, and creating / updating a search database; Search W in response to a request from a WWW client
WWW server means for transmitting a WWW page, search means for searching a database in response to a keyword input by a WWW client, and WWW searched by the search means
An element for displaying a list of page information, and the searched W
A result list creating means for creating a result list WWW page including a WWW page address and a link instruction element for returning an address according to designation of a page desired by the user from the list, and a result list WWW page from a WWW client Page relay means for receiving an address via a WWW server, acquiring WWW page data from a WWW server corresponding to the address, and transmitting it to a WWW client, and a DB for updating a database using the WWW page data acquired by the page relay means Updating means, D
WWW whose database information has been updated by B updating means
It is characterized in that the WWW server holding the page includes a patrol list updating means for lowering the patrol order in the patrol list by a predetermined rank.

[0020] The invention according to claim 8 is a WWW on the WWW.
WWW circulating means for circulating on the basis of a circulating list holding a server address and a circulating order for the WWW server to collect WWW page data, indexing the WWW page data, and creating / updating a search database; Search W in response to a request from a WWW client
WWW server means for transmitting a WWW page, search means for searching a database in response to a keyword input by a WWW client, and WWW searched by the search means
An element for temporarily storing page information and displaying a list of WWW page information, an identifier corresponding to the address of the searched WWW page, and a link instruction for returning an identifier according to designation of a page desired to be browsed by the user from the list. A result list creating means for creating a result list WWW page including an element, an identifier received from the WWW client via the result list WWW page, and a WWW page address corresponding to the identifier obtained from the stored WWW page information A page relay unit for acquiring WWW page data from a WWW server corresponding to the address and transmitting it to a WWW client; a DB updating unit for updating a database using the WWW page data acquired by the page relay unit; The database information has been updated by the updating means For WWW server corresponding to WW page, it is characterized by having a cyclic list update means for reducing predetermined rank cyclic order in the cyclic list.

According to a ninth aspect of the present invention, there is provided a WWW on the WWW.
WWW traversing means for circulating on the basis of a circulating list including a server address and a circulating order for the WWW server to collect WWW page data, indexing the WWW page data and creating / updating a search database;
A WWW server means for transmitting a search WWW page in response to a request from the WWW client, a search means for searching a database in response to a keyword input by the WWW client, and a list of WWW page information searched by the search means. An element, an address of the searched WWW page, a link element for accessing a corresponding WWW page in accordance with designation of a page desired by the user from the list, and an access notification element for notifying an address of the accessed WWW page; List creation means for creating a result list WWW page including
An address is received from a W client via a result list WWW page, and a page acquisition unit for acquiring WWW page data from a WWW server corresponding to the address, and a database is updated using the WWW page data acquired by the page acquisition unit. It is characterized in that it has a DB update unit and a tour list update unit that lowers the tour order in the tour list by a predetermined rank for a WWW server corresponding to the WWW page whose database information has been updated by the DB update unit.

According to a tenth aspect of the present invention, the WW on the WWW
WWW traversing means for traversing based on a traversal list including the address of the W server and the traversal order for the WWW server to collect WWW page data, indexing the WWW page data and creating / updating a search database,
WWW for search in response to request by WWW client
WWW server means for transmitting a page, search means for searching a database according to a keyword input by a WWW client, an element for temporarily storing WWW page information searched by the search means, and displaying a list of WWW page information, An identifier corresponding to the searched WWW page, a link element for accessing the corresponding WWW page in accordance with the designation of the page desired by the user from the list, and an access notification element for notifying the identifier corresponding to the accessed WWW page. , A result list WW containing
A result list creating means for creating a W page, a W which receives an identifier from a WWW client via a result list WWW page, and stores an address corresponding to the identifier.
WWW obtained from WW page information and corresponding to address
Page acquisition means for acquiring WWW page data from a server, DB update means for updating a database using WWW page data acquired by the page acquisition means,
WW whose database information has been updated by DB updating means
For a WWW server corresponding to the W page, a tour list updating means for lowering the tour order in the tour list by a predetermined rank is provided.

The invention according to claim 11 is the invention according to claims 7 to 1
0, the tour list updating means lowers the rank of the tour order in the tour list to the lowest order for the WWW server.

[0024]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a diagram showing a configuration of a WWW search system according to a first embodiment of the present invention. The WWW client 20 operates as WWW client software.
It has a WW browser and is connected to the Internet. There are countless WWW server groups 30 that provide WWW pages on the Internet. Each WWW server has a WWW page (HTML file and its accompanying file) as content. First
The WWW search system 10 according to the embodiment includes a WWW server unit 11, a search engine unit 12, a WWW robot unit 14, a page relay unit 16, a DB update unit 17, and a traveling list update unit 18. Note that each unit can be configured to be multiplexed (= load-balanced) and to respond to access by a large number of users.

The WWW server unit 11 responds to the access by the WWW client 20 and transmits a WWW page having an input form for search. The search engine unit 12 is in charge of a search execution process for the search database 13. The WWW robot unit 14 executes the WWW server group 3 on the WWW in the traveling order according to the traveling list 15.
It goes around 0 and collects WWW page data. Also,
Searching database 1 by indexing collected data
3 is created and updated. (An example of the traveling list is shown in FIG. 7)

The page relay section 16 accesses the corresponding WWW server based on the link instruction information (WWW page address or its corresponding identifier) received from the WWW client 20 via the WWW server section 11 to access the WWW page data. And retrieve the acquired data into W
The message is transmitted to the WW client 20. The page relay unit 16 may be configured to be incorporated as a function of the WWW server unit 11.

The DB update unit 17 updates the search database 13 with the WWW page data obtained by the page relay unit 16. Note that the DB update unit 17
It may be configured to be incorporated as a function of the W robot unit 14.

The circulating list update unit 18 includes a DB update unit 17
Along with the update of the search database 13 by the, the processing for lowering the traveling order in the traveling list 15 by a predetermined rank is performed for the WWW server holding the WWW page data acquired by the page relay unit 16. FIG. 7 shows an example of a cyclic list update. FIG. 7A is a circulating list at a time before the user specifies a link, and FIG.
6 is a tour list after the search order has been changed by the search system 10. For example, it is assumed that the user designates (clicks on) the WWW server: wwwy (: tour order y) in the result list. After accessing the corresponding WWW page, the traveling list updating unit 18 lowers the traveling order for www in the traveling list by a predetermined rank r. As a result, the circulation order of wwwy is n = y + r. As a method of lowering the rank, a method of lowering the rank by a certain amount, a method of lowering the rank by an amount calculated based on a predetermined calculation formula, a method of lowering the rank to the bottom of the list, and the like can be considered.
In addition, the traveling list updating unit 18 is provided with the WWW robot unit 14.
It may be configured to be incorporated as a function of.

The search database 13 stores WWW page information indexed according to a predetermined indexing method. Here, “WWW page information” includes at least a WWW page address (URL), and also includes a title, a predetermined summary (summary), data size, update date and time information, and the like.

The WWW search system 10 uses a search result by the search engine 13 to create a search result list page (hereinafter, referred to as a “result list”) in which searched WWW page information is arranged in a predetermined amount. ,
"Result list creation unit"). The created result list is transmitted to the WWW client 20 via the WWW server unit 11.

FIG. 8 shows an example of a result list displayed on the terminal screen of the WWW client 20. The result list is
Each WWW page information includes a link source text information area such as a title and an information display area such as a summary and a URL. The result list creation unit includes the search engine unit 12
Create a result list using the results of the search by. The HTML file of the result list stores the WW specified by the event of the user clicking the link source information area.
The configuration is such that the WWW page address (URL) corresponding to the W page is notified to the WWW search system 10.

Alternatively, instead of notifying the WWW page address, the identifier corresponding to the WWW page address may be notified. In that case, W
The WWW search system 10 receives the identifier from the WWW client 20, and acquires the WWW page address corresponding to the identifier from the stored search result list. As described above, the page relay means converts the corresponding WWW page data to WW using the acquired address.
Obtain from W server.

FIG. 3 is a flowchart showing a processing procedure when a search is executed by the WWW search system according to the first embodiment of the present invention. First, the user can use WWW
The user connects to the WWW search system 10 by inputting or specifying the address of the WWW search system 10 on the browser.
The WWW search system 10 transmits a search page in response to a request from the WWW client 20 (Step S11).

The user inputs a search keyword into the keyword input section of the search page. The input keyword is transmitted to the WWW server unit 11. The WWW server unit 11 receives the keyword and sends the keyword to the search engine unit 12.
Pass to. The search engine unit 12 includes the search database 1
3, WWW page information matching the keyword is retrieved and output. The result list creating unit edits the search result as a search result list and creates a result list WWW page. The WWW server unit 11 transmits the result list to the WWW client 20 (Step S12).

The WWW client 20 receives and displays the result list. The user selects a WWW page desired to be accessed from the displayed result list, and clicks on the link source information area. Here, it is assumed that connection is made to the WWW server 1 (step S13).

With the click of the user as a trigger, according to the description of the result list file, the address of the WWW page specified by the link by the user is changed to the WWW server unit 11.
(Step S14).

The WWW server unit 11 receives the address from the WWW client 20 and transfers the address to the page relay unit 16. The page relay unit 16 uses the address to send the content (WWW) to the WWW server 1 corresponding to the address.
Page data) (step S15). WWW
The server 1 transmits the requested data to the WWW search system 10 (Step S16). The WWW search system 10 acquires data from the WWW server 1 and
The message is transmitted to the WW client 20 (step S17).
At this point, the user acquires a desired WWW page (step S18). Further, the WWW search system 10, the WWW client 20, and the WWW server 1 are connected via the Internet. The page relay unit 16
The relay of the WWW page data is continued according to the operation by the user.

The DB updating unit 17 calculates the WWW page data of the WWW server 1 acquired by the page
It is indexed and stored in the search database 13,
The WWW page information on the WWW server 1 is updated (Step S19).

The circulating list update unit 18 includes a DB update unit 17
As shown in FIG. 7, the WWW server 1 in which the database information has been updated by the process performs a process of lowering the rank of the traveling order in the traveling list 15 by a predetermined amount (Step S)
20).

As described above, the WWW server 1 by the user
This means that the page information of the WWW server 1 in the search database 13 has been updated in response to the access to the WWW page. In addition, the circulating order for the WWW server 1 has been lowered by a predetermined rank with the update of the WWW page information, so that the efficiency of the circulating process has increased.

FIG. 2 is a diagram showing a configuration of a WWW search system according to a second embodiment of the present invention. The WWW search system 10 according to the second embodiment includes a WWW server unit 11, a search engine unit 12, and a WWW robot unit 1.
4, a DB update unit 17, a traveling list update unit 18, and a page acquisition unit 19.

In the second embodiment, unlike the first embodiment, no relay of WWW page data is performed. The WWW client 20 directly specifies the desired WWW page in the result list by the user,
A corresponding WWW server is accessed to obtain WWW page data. The WWW search system 10 acquires link designation information (WWW page address or its identifier) from the WWW client 20 via the result list. The page acquisition unit 19 connects to a corresponding WWW server and acquires WWW page data based on the link designation information. The DB updating unit 17 and the traveling list updating unit 18
Using the WWW page data acquired by the page acquisition means 19, the search database 13 and the traveling list 15 are updated, respectively, as in the first embodiment.

FIG. 4 is a flowchart showing a processing procedure when a search is executed by the WWW search system in the second embodiment. First, the user connects to the WWW search system 10 by inputting or specifying the WWW page address of the WWW search system 10 on the WWW browser. The WWW search system 10 uses the WWW client 2
In response to the request from 0, a search page is transmitted (step S21).

The user inputs a search keyword into the keyword input section of the search page. The input keyword is transmitted to the WWW server unit 11. The WWW server unit 11 receives the keyword and sends the keyword to the search engine unit 12.
Pass to. The search engine unit 12 includes the search database 1
3, WWW page information matching the keyword is retrieved and output. The result list creation unit edits the search result as a search result list and creates a result list. WWW
The server unit 11 stores the result list in the WWW client 20
(Step S22).

The WWW client 20 receives and displays the result list. The user selects WWW page information desired to be browsed from the displayed result list, and clicks a link source information area. Here, it is assumed that connection is made to the WWW server 1 (step S23).

With a click by the user as a trigger, W
The WW client 20 is connected to the corresponding WWW server 1 according to the description of the result list file. The WWW server 1 transmits the requested content (WWW page data) to the WWW client 20 (Step S24). The WWW client 20 receives and displays WWW page data from the WWW server 1 (Step S25). In addition, W specified by the link by the user
If the address of the WW page is the WWW search system 10
The WW server unit 11 is notified (step S26). The notification process may be configured to be performed at the time of clicking on a desired page.

The WWW server section 11 receives the address from the WWW client 20 and transfers the address to the page acquisition section 19. The page acquisition unit 19 uses the address to send the content (WWW) to the WWW server 1 corresponding to the address.
Page data) (step S27). WWW
The server 1 transmits the requested data to the WWW search system 10 (Step S28). The page acquisition unit 19 acquires data from the WWW server 1.

The DB updating unit 17 calculates the WWW page data of the WWW server 1 obtained by the page obtaining unit 19,
It is indexed and stored in the search database 13,
The WWW page information on the WWW server 1 is updated (Step S29).

The traveling list updating unit 18 is provided with a DB updating unit 17
As shown in FIG. 7, the WWW server 1 in which the database information has been updated by the process performs a process of lowering the rank of the traveling order in the traveling list 15 by a predetermined amount (step S).
30).

The embodiment described above is an example of a preferred embodiment of the present invention, and the present invention is not limited to the embodiment, and various modifications may be made without departing from the scope of the invention. It is possible.

[0052]

As is apparent from the above description, according to the present invention, WW via a search result list by a user is performed.
By updating the search database in response to the access to the W page, the search database is updated more frequently for pages that are frequently accessed by the user. Offers can be made.

Further, when the WWW page information of the search database is updated in response to the user accessing the WWW page, the rank of the circulating order for the WWW server holding the accessed page is lowered. The efficiency of patrol processing by the WWW robot can be increased.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a WWW search system according to a first embodiment of the present invention.

FIG. 2 is a diagram illustrating a configuration of a WWW search system according to a second embodiment of the present invention.

FIG. 3 is a flowchart illustrating a processing procedure when a search is executed by the WWW search system according to the first embodiment of the present invention.

FIG. 4 is a flowchart illustrating a processing procedure when a search is executed by a WWW search system according to a second embodiment of the present invention.

FIG. 5 is a diagram showing an example of the configuration of a conventional WWW search system.

FIG. 6 is a description example of a link in an HTML file.

FIG. 7 is a diagram illustrating an example of a traveling list and updating of the traveling list.

FIG. 8 is a diagram showing a display example of a search result list.

[Explanation of symbols]

 Reference Signs List 10 WWW search system 20 WWW client 30 WWW server 11 WWW server unit 12 Search engine unit 13 Search database 14 WWW robot unit 15 Tour list 16 Page relay unit 17 DB update unit 18 Tour list update unit 19 Page acquisition unit

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) G06F 12/00 546 G06F 12/00 546M 13/00 540 13/00 540B

Claims (11)

[Claims] Based on a keyword entered by a WWW client, a database holding WWW page information is searched, a list for displaying search results is created and transmitted, and a user can specify a desired page to browse in the list. Responsively, a link instruction to the designated page is returned, and based on the link instruction, WWW page data is acquired from the corresponding WWW server and transmitted to the WWW client, and the acquired WWW page data is stored in the database. At the same time, for the WWW server, lower the rank of the traveling order in the traveling list holding the priority traveling order to the group of WWW servers on the WWW by a predetermined amount. 2. Collecting WWW page data from the WWW server based on a circulating list holding the address of the WWW server on the WWW and the circulating order for the WWW server, indexing the WWW page data and searching. A WWW patrol step for creating and updating a database for use; an element for searching the database based on a keyword input by a WWW client and displaying a list of searched WWW page information; an address of the searched WWW page; A search execution step of creating a result list WWW page including a link instruction element for returning the address of the designated page in response to designation of a page desired by the user in the list and transmitting the result to the WWW client; The address from the WWW client A page relay step of receiving and acquiring WWW page data from a WWW server corresponding to the address and transmitting the WWW page data to the WWW client; and updating the database using the WWW page data acquired in the page relay step A WWW server holding the WWW page whose database information has been updated in the DB updating step; and a traveling list updating step of lowering the traveling order in the traveling list by a predetermined rank. Method. 3. WWW page data is collected from the WWW server based on a circulating list holding the address of the WWW server on the WWW and the circulating order for the WWW server, and the WWW page data is indexed and searched. A WWW patrol step for creating and updating a database for searching; an element for searching the database based on a keyword input by a WWW client, temporarily storing search results, and displaying a list of searched WWW page information; An identifier corresponding to the address of the WWW page;
A search instruction step of creating a result list WWW page including a link instruction element for returning the identifier based on designation of a desired page to be browsed by the user from the list, and transmitting the result list to the WWW client; And obtains a WWW page address corresponding to the identifier from the stored search result, and obtains a WWW page address corresponding to the address.
A page relaying step of acquiring WWW page data from a server and transmitting the WWW page data to the WWW client; a DB updating step of updating the database using the WWW page data acquired in the page relaying step; A tour list updating step of lowering a tour order in the tour list by a predetermined rank for the WWW server holding an updated WWW page; 4. Collecting WWW page data from the WWW server based on a circulating list holding the addresses of the WWW servers on the WWW and the circulating order for the WWW server, indexing the WWW page data and searching. A WWW patrol step for creating and updating a database for use; an element for searching the database based on a keyword input by a WWW client and displaying a list of searched WWW page information; an address of the searched WWW page; Creating a result list WWW page including a link element for accessing a corresponding WWW page based on designation of a page desired by the user from the list and an access notification element for returning the address of the accessed WWW page, Search to send to client A row obtaining step; a page obtaining step of receiving the address from the WWW client and obtaining WWW page data from a WWW server corresponding to the address; and updating the database using the WWW page data obtained in the page obtaining step. And a tour list updating step of lowering the tour order in the tour list by a predetermined rank with respect to the WWW server holding the WWW page whose database information has been updated in the DB update step. WWW search method. 5. Collecting WWW page data from the WWW server based on a circulating list holding the address of the WWW server on the WWW and the circulating order for the WWW server, indexing the WWW page data and searching. A WWW patrol step for creating and updating a database for searching; an element for searching the database based on a keyword input by a WWW client, temporarily storing search results, and displaying a list of searched WWW page information; An identifier corresponding to the address of the WWW page;
A result list W including a link element for accessing a corresponding WWW page based on designation of a page desired to be browsed by the user from the list, and an access notification element for returning the identifier corresponding to the accessed WWW page.
A search execution step of creating a WWW page and sending it to the WWW client; receiving the identifier from the WWW client; obtaining a WWW page address corresponding to the identifier from the stored search result; Corresponding WWW
A page obtaining step of obtaining WWW page data from a server, a DB updating step of updating the database using the WWW page data obtained in the page obtaining step, and a WWW page having updated database information in the DB updating step A tour list updating step of lowering the tour order in the tour list by a predetermined rank with respect to the WWW server having the following. 6. The WWW search method according to claim 2, wherein the traveling list updating step lowers the traveling order rank of the WWW server to the lowest. 7. WWW page data is collected by performing a tour based on a tour list that holds the address of a WWW server on the WWW and a tour order for the WWW server, and the WWW page data is indexed for search. WWW patrol means for creating and updating a database; WWW for search in response to a request from a WWW client
WWW server means for transmitting a page; search means for searching the database in response to a keyword input by a WWW client; an element for displaying a list of WWW page information searched by the search means; A result list creation unit for creating a result list WWW page including an address and a link instruction element for returning the address in accordance with designation of a page desired by the user from the list, and a result list WWW from the WWW client. A page relay unit that receives the address via a page, acquires WWW page data from a WWW server corresponding to the address, and transmits the data to the WWW client; and using the WWW page data acquired by the page relay unit, Update the database DB updating means, and W whose database information has been updated by the DB updating means.
A WWW search system comprising: a WWW server that holds WWW pages; and a traveling list updating unit that lowers a traveling order in the traveling list by a predetermined rank. 8. A WWW page data is collected by performing a tour based on a tour list that holds the address of the WWW server on the WWW and a tour order for the WWW server, and the WWW page data is indexed for search. WWW patrol means for creating and updating a database; WWW for search in response to a request from a WWW client
WWW server means for transmitting a page, search means for searching the database in response to a keyword input by a WWW client, temporarily storing WWW page information searched by the search means, and displaying a list of the WWW page information A result list WWW page including an element, an identifier corresponding to the searched address of the WWW page, and a link instruction element for returning the identifier in response to designation of a page desired by the user from the list is created. Means for generating a result list; receiving the identifier from the WWW client via the result list WWW page;
A page relay unit that obtains a WWW page address from the stored WWW page information, obtains WWW page data from a WWW server corresponding to the address, and transmits the data to the WWW client; DB updating means for updating the database using WWW page data; and W for which database information has been updated by the DB updating means.
A WWW search system comprising: a WWW server corresponding to a WWW page; and a traveling list updating unit that lowers a traveling order in the traveling list by a predetermined rank. 9. A traversal is performed based on a circulating list including an address of a WWW server on the WWW and a circulating order for the WWW server, and WWW page data is collected.
WWW patrol means for creating and updating a search database by indexing W page data, and a search WWW in response to a request from a WWW client
WWW server means for transmitting a page; search means for searching the database in response to a keyword input by a WWW client; an element for displaying a list of WWW page information searched by the search means; A result list W including an address, a link element for accessing a corresponding WWW page in accordance with designation of a page desired by the user from the list, and an access notification element for notifying the address of the accessed WWW page.
A result list creating unit that creates a WWW page; a page acquiring unit that receives the address from the WWW client via the result list WWW page, and acquires WWW page data from a WWW server corresponding to the address; DB updating means for updating the database using the WWW page data acquired by the acquiring means, and W in which database information is updated by the DB updating means.
A WWW search system comprising: a WWW server corresponding to a WWW page; and a traveling list updating unit that lowers a traveling order in the traveling list by a predetermined rank. 10. A traversal is performed based on a circulating list including an address of a WWW server on the WWW and a circulating order for the WWW server, and WWW page data is collected.
WWW patrol means for creating and updating a search database by indexing WWW page data, and a WWW for search in response to a request from a WWW client
WWW server means for transmitting a page, search means for searching the database in response to a keyword input by a WWW client, temporarily storing WWW page information searched by the search means, and displaying a list of the WWW page information Notification of an element, an identifier corresponding to the searched WWW page, a link element for accessing the corresponding WWW page in accordance with designation of a page desired by the user from the list, and the identifier corresponding to the accessed WWW page List WW including an access notification element to be made
A result list creating means for creating a W page; receiving the identifier from the WWW client via the result list WWW page; acquiring an address corresponding to the identifier from the stored WWW page information; From the WWW server corresponding to
Page acquisition means for acquiring page data, DB update means for updating the database using WWW page data acquired by the page acquisition means, W updated with database information by the DB update means
WWW search system, comprising: a tour list updating unit that lowers a tour order in the tour list by a predetermined rank for the WWW server corresponding to a WWW page. 11. The circulating list updating means, wherein the WW
The WWW search system according to any one of claims 7 to 10, wherein the rank of the circulation order in the circulation list for the W server is lowered to the lowest rank.