JP2015026345A - Search device, search system, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a search device which allows a user to easily grasp the contents of webpages.SOLUTION: A search device (100) is constituted by having: keyword input means (11) for inputting at least one keyword to specify a search keyword used in searching a web; search means (12) for searching a web on the basis of the search keyword to acquire a search result of webpages related to the search keyword; determining means (13) for determining whether or not a useful keyword more useful than the search keyword exists in searching webpages; and display means (14) for displaying the useful keyword together with the webpage in the case where the useful keyword exists.

Description

  The present disclosure relates to a technique for searching for a matter desired by a user.

  In recent years, matters desired by users can be examined using the Internet.

  For example, the user uses a web search service and acquires a web page on which information on matters that the user wants to check is described from the Internet. The user can check a matter desired by the user by referring to the content of the web page acquired from the Internet.

  The web search service is a service that designates one or more keywords related to a matter that the user wants to search and displays a list of web pages including the specified search keyword.

  The user confirms the content of each web page from the above list display and examines the content of the item desired by the user.

  However, among the web pages displayed in a list, there are a lot of disappointing web pages in which items desired by the user are not described. For this reason, if the content of each web page is confirmed from the list display, it takes time to search for a web page on which a matter desired by the user is described.

  As a technical document for improving this problem, for example, there is Patent Document 1 (Japanese Patent Laid-Open No. 2001-92742).

  In Patent Document 1, a search is performed using a search purpose input by a user and a word included in a web page, and a search result is acquired. Then, when displaying a list of search results, one evaluation value set in the web page is used, and the list is displayed in descending order of evaluation.

  However, in the technique of Patent Document 1, a web page having a content different from the item desired by the user may be displayed at the top.

  For example, it is assumed that there are page A and page B, and the same keyword is described respectively. In this case, when the number of accesses to page A is large and the evaluation is high, page A is displayed at the top even for users who need the contents of page B. As a result, it becomes easy for the user to see the page A unnecessary for the user.

  As a technical document for improving the above problem, for example, there is Patent Document 2 (Japanese Patent Laid-Open No. 2007-148741).

  In Patent Document 2, the Web search support system 11 displays a search screen 31 on the client 17 to input a search purpose, and executes a search process by pressing a search request button. The Web search support system 11 displays search results on the search result list screen 32 in the order of evaluation results based on the received search purpose and the Web evaluation file 12 held in the database. The search result list screen 32 displays page numbers, evaluation values, and summary information. Based on a display request for a specific Web page from the search result list screen 32 of the client 17, the Web page 33 and the evaluation screen are displayed. 34 is displayed. The user refers to the content of the web page 33 and causes the evaluation screen 34 to input the evaluation content such as whether or not the reference has been made. The Web search support system 11 updates the content of the Web evaluation file 12 based on this input result. Thereby, it is possible to preferentially display a list of Web pages on which information that the user really wants to check is stored, thereby shortening the search time.

JP 2001-92742 A JP 2007-148741 A

  The technique of Patent Literature 2 preferentially displays a list of web pages on which information that the user really wants to check is described. However, even with the technique of Patent Document 2, unless the contents of each web page are confirmed from the list display, it is difficult for the user to understand what the web page is.

  An object of the present disclosure is to provide a search device that makes it easy for a user to grasp the contents of a web page.

A search device according to an aspect of the present disclosure is provided.
Keyword input means for inputting at least one keyword and designating a search keyword to be used when performing a web search;
Search means for performing a web search based on the search keyword and obtaining a search result of a web page related to the search keyword;
Determination means for determining whether or not there is a useful keyword more useful than the search keyword when searching the web page;
When there is the useful keyword, display means for displaying the useful keyword together with information on the web page;
It is characterized by having.

  According to one aspect of the present disclosure, the content of a web page can be easily understood by a user.

It is a figure which shows the system configuration example of the search system of this embodiment. It is a figure which shows the example of a list display of the search result of the web page related to the search keyword which the user input. It is a figure which shows the example of a list display of the search result of the web page related to the search keyword which the user input. It is a figure which shows a series of processing operation examples of the search system of this embodiment. It is a figure which shows the example of a list display of the search result of the web page related to the search keyword which the user input. It is a figure which shows the structural example of a web page. It is a figure which shows a series of processing operation examples of the search system of 2nd Embodiment. It is a figure which shows the system configuration example of the search system of 3rd Embodiment. It is a figure which shows a series of processing operation examples of the search system of 3rd Embodiment. It is a figure which shows a series of processing operation examples of the search system of 3rd Embodiment.

(Outline of Embodiment of Retrieval Device 100 According to One Aspect of the Present Disclosure)
First, an overview of an embodiment of a search device 100 according to an aspect of the present disclosure will be described with reference to FIG. FIG. 1 is a diagram illustrating a configuration example of a search device 100 according to the present embodiment.

  The search device 100 according to an aspect of the present disclosure includes a keyword input unit, a search unit, a determination unit, and a display unit.

  The keyword input means inputs at least one keyword and performs a keyword input process for designating a search keyword used when performing a web search. The keyword input unit 11 functions as the keyword input means.

  The search means performs a web search based on the search keyword and performs a search process for acquiring a search result of a web page related to the search keyword. The search unit 12 functions as search means.

  The determination unit performs a determination process for determining whether there is a useful keyword more useful than the search keyword when searching the web page. The keyword evaluation unit 13 functions as a determination unit.

  When there is a useful keyword, the display unit performs display processing for displaying the useful keyword on the display unit together with information on the web page. The search result display unit 14 functions as a display means.

  The search device 100 according to an aspect of the present disclosure displays useful keywords together with information on a web page obtained by searching based on a search keyword.

  Useful keywords are keywords that are more useful than search keywords when searching web pages. It is also a representative keyword representing the contents of the web page. For this reason, the user can easily guess what the information on the web page is by simply referring to the useful keywords displayed together with the information on the web page. As a result, the user can easily grasp the contents of the web page. Hereinafter, an embodiment of a search device 100 according to an aspect of the present disclosure will be described in detail with reference to the accompanying drawings.

(First embodiment)
<System configuration example of search system>
First, a system configuration example of the search system of this embodiment will be described with reference to FIG. FIG. 1 is a diagram illustrating a system configuration example of a search system according to the present embodiment.

  The search system of the present embodiment is configured by connecting a search device 100 and a server 200 via a network NW. The search device 100 and the server 200 can communicate with each other via the network NW. As long as various information communication is possible between the search device 100 and the server 200, the network NW can apply any communication form regardless of wired or wireless.

  The search apparatus 100 according to the present embodiment acquires a search result that matches the specified search condition from the server 200. In the search system shown in FIG. 1, one server 200 is shown. However, the server 200 is not limited to one and includes a plurality of servers 200.

<Configuration example of search device 100>
Next, a configuration example of the search device 100 according to the present embodiment will be described with reference to FIG.

  The search device 100 according to this embodiment includes a control unit 10, a storage unit 20, and a display input unit 30.

  The control unit 10 controls the search device 100 in an integrated manner. The control unit 10 includes a keyword input unit 11, a search unit 12, a keyword evaluation unit 13, and a search result display unit 14.

  The keyword input unit 11 inputs a keyword and designates a search keyword to be used when performing a web search. The keyword input method is not particularly limited, and can be input by any method. For example, it may be input manually or by voice.

  The search unit 12 performs a web search based on the search keyword specified by the keyword input unit 11, and acquires a search result of a web page related to the search keyword. The search unit 12 stores the search result in the search result storage unit 21 of the storage unit 20. The search result storage unit 21 stores the search result of the web page searched by the search unit 12.

  The keyword evaluation unit 13 evaluates keywords that are useful when searching the web page based on the web page stored in the search result storage unit 21.

  For example, the keyword evaluation unit 13 extracts a keyword from a web page stored in the search result storage unit 21. The keyword extraction method is not particularly limited. For example, the keyword is extracted from the web page by performing morphological analysis or the like.

  The keyword evaluation unit 13 performs the web search again based on the extracted keyword extracted from the web page, and acquires the search result of the web page related to the extracted keyword. The keyword evaluation unit 13 compares the display order of the web pages obtained by searching based on the extracted keyword with the display order of the web pages stored in the search result storage unit 21. Then, based on the comparison result, it is determined whether or not the display order of the web page obtained by searching based on the extracted keyword is higher than the display order of the web page stored in the search result storage unit 21. . When the display order of the web page obtained by searching based on the extracted keyword is higher than the display order of the web page stored in the search result storage unit 21, when searching for the web page, Is more useful than a search keyword. This makes it possible to evaluate keywords that are useful when searching for web pages stored in the search result storage unit 21.

  In addition, as another evaluation method of the keyword, depending on the difference in rank between the display order of the web page obtained by searching based on the extracted keyword and the display order of the web page stored in the search result storage unit 21. Calculate the evaluation value. It is also possible to evaluate an extracted keyword whose calculated evaluation value is a predetermined threshold or more as a useful keyword. The evaluation value is increased when the display order of the web pages obtained by searching based on the extracted keyword is higher than the display order of the web pages stored in the search result storage unit 21. Conversely, when the display order of the web pages obtained by searching based on the extracted keyword is lower than the display order of the web pages stored in the search result storage unit 21, the evaluation value is decreased. Even with this evaluation method, it is possible to evaluate keywords that are useful when searching the web page stored in the search result storage unit 21.

  The search result display unit 14 displays a list of web page information stored in the search result storage unit 21 on the display input unit 30. At this time, the search result display unit 14 displays, on the display input unit 30, the keywords determined to be useful by the keyword evaluation unit 13 based on the evaluation result of the keyword evaluation unit 13 together with information on the web page. The display input unit 30 inputs and displays various information.

  When displaying the search result of the web page related to the search keyword specified by the keyword input unit 11 on the display input unit 30, for example, as shown in FIG. 2, information on the web page including the search keyword is displayed as a list. To do.

  FIG. 2 is a diagram illustrating a list display example of search results of web pages related to a search keyword input by a user. In the list display example shown in FIG. 2, the search keyword (keyword D) designated by the keyword input unit 11 is displayed in the keyword input field 31 at the top of the screen. Information 32 of web pages (web pages D, C, B, A, E) including the search keyword (keyword D) is displayed in a list at the center of the screen. In general, the web page search results shown in FIG. 2 are displayed in a list of information on web pages of various contents including the search keyword (keyword D). For this reason, it is difficult for the user to know which web page information should be viewed in the list of search results. Moreover, unless the user refers to each web page or clicks and confirms it, it is difficult to understand what the web page is.

  In this embodiment, in order to solve the above problem, as shown in FIG. 3, the keyword 33 determined to be useful by the keyword evaluation unit 13 is displayed and input together with the information 32 of the web page including the search keyword (keyword D). It is supposed to be displayed on part 30.

  FIG. 3 is a diagram illustrating a list display example of search results of web pages related to the search keyword input by the user. In the list display example shown in FIG. 3, keywords 33 determined to be useful by the keyword evaluation unit 13 are displayed together with information 32 on the web page, compared to the list display example shown in FIG. 2. The keyword 33 determined to be useful by the keyword evaluation unit 13 is a keyword determined to be more useful than the search keyword (keyword D) specified by the keyword input unit 11 when searching the web page. It is also a representative keyword representing the contents of the web page. For this reason, the user can easily guess what the information 32 of the web page is, simply by referring to the keyword 33 displayed on the display input unit 30. As a result, the user can easily grasp the contents of the web pages displayed as a list on the display input unit 30. FIG. 3 shows an example in which one keyword 33 determined to be useful by the keyword evaluation unit 13 is displayed. However, it is possible to display a plurality of keywords. When displaying one keyword, the most useful keyword is displayed. When a plurality of keywords are displayed, the keywords are ranked and displayed so that the user can understand how useful each keyword is.

<Example of processing operation of search system>
Next, a processing operation example of the search system of this embodiment will be described with reference to FIG. FIG. 4 is a diagram illustrating a series of processing operation examples of the search system according to the present embodiment.

  The keyword input unit 11 inputs a keyword and designates a search keyword used when performing a web search (step S1).

  The search unit 12 performs a web search based on the search keyword specified by the keyword input unit 11 and acquires a search result of a web page related to the search keyword (step S2).

  The search unit 12 stores the search result in the search result storage unit 21 of the storage unit 20 (step S3).

  The keyword evaluation unit 13 extracts keywords from the web page of the search result stored in the search result storage unit 21 (step S4).

  The keyword evaluation unit 13 performs the web search again based on the extracted keyword extracted from the web page, and acquires the search result of the web page related to the extracted keyword (step S5).

  When the keyword evaluation unit 13 searches the web page by comparing the display order of the web page obtained by searching based on the extracted keyword and the display order of the web page stored in the search result storage unit 21. Useful keywords are evaluated (step S6).

  As shown in FIG. 3, the search result display unit 14 displays, on the display input unit 30, the keyword 33 determined to be useful by the keyword evaluation unit 13 along with the web page information 32 stored in the search result storage unit 21 ( Step S7).

  The keyword 33 determined to be useful by the keyword evaluation unit 13 in step S6 is a keyword determined to be more useful than the search keyword (keyword D) designated by the keyword input unit 11 in step S1 when searching the web page. . It is also a representative keyword representing the contents of the web page. For this reason, the user can easily see what the information 32 of the web page is by simply referring to the keyword 33 displayed on the display input unit 30 without referring to the web page or confirming by clicking. Can be guessed. As a result, the user can easily grasp the contents of the web pages displayed as a list on the display input unit 30.

  In FIG. 3, the keyword input unit 13 determines that the keyword evaluation unit 13 determines that the web page information 32 including the search keyword (keyword D) specified by the keyword input unit 11 is useful. It is supposed to be displayed on 30. However, as shown in FIG. 5, it is also possible to display on the display input unit 30 the web page information 32 of the portion including the keyword 33 determined to be useful by the keyword evaluation unit 13. In this case, the information 32 of the web page including the keyword 33 and the information 32 of the web page including the search keyword (keyword D) are switched and displayed on the display input unit 30. Further, in order to make the user grasp the keyword 33 portion at a glance, display processing is performed to emphasize the keyword 33 portion. As a processing method, the keyword 33 is changed to a different font, colored, or surrounded by a frame. As long as the portion of the keyword 33 can be emphasized, the processing method is not particularly limited, and any method can be used.

<Operation and effect of search system of this embodiment>
As described above, the search system according to the present embodiment performs a web search based on the search keyword specified by the keyword input unit 11 and acquires a search result of a web page related to the search keyword (step S2). Then, keywords are extracted from the web page of the search result (step S4). Then, the web search is performed again based on the extracted extracted keyword, and the search result of the web page related to the extracted keyword is acquired (step S5).

  Next, when the display order of the web page obtained by searching based on the extracted keyword is compared with the display order of the web page obtained by searching based on the search keyword, and the web page is searched. Useful keywords are evaluated (step S6).

  As shown in FIGS. 3 and 5, along with the information 32 of the web page obtained by searching based on the search keyword, the keyword 33 determined to be useful when searching the web page is displayed on the display input unit 30. Display (step S7).

  The keyword 33 determined to be useful when searching the web page is a keyword determined to be more useful than the search keyword (keyword D). It is also a representative keyword representing the contents of the web page. For this reason, the user can easily guess what the information 32 of the web page is, simply by referring to the keyword 33 displayed on the display input unit 30. As a result, the user can easily grasp the contents of the web pages displayed as a list on the display input unit 30.

  In the above embodiment, the web search is performed based on the search keyword specified by the keyword input unit 11, and the search result of the web page related to the search keyword is acquired (step S2). Then, keywords are extracted from the web page of the search result (step S4). Then, the web search is performed again based on the extracted extracted keyword, and the search result of the web page related to the extracted keyword is acquired (step S5). When the web page display order obtained by searching based on the extracted keyword is compared with the display order of the web page obtained by searching based on the search keyword, the web page is searched. We decide to evaluate useful keywords (step S6).

  However, the word contained in the web page of the search result acquired in step S1 is analyzed, and the word contained in the specific web page at a higher ratio than the web page ranked in the top of the search result is analyzed. It is also possible to evaluate the keyword as a keyword useful for searching for a specific web page. At this time, the keyword representing the feature of the specific web page may be a word included in a high ratio in the web page ranked in the lower order.

  Further, based on the search keyword specified by the keyword input unit 11, a web search is performed at a plurality of search sites, and search results of web pages related to the search keyword are acquired from the plurality of search sites. It is also possible to compare keywords included in search results acquired from a plurality of search sites between the search sites and evaluate keywords that are useful when searching for web pages. For example, compared to the search results of a large-scale upper search site with a large number of search users used for various search applications, a specific search site used for specialized search or a small lower rank with a small number of search users It is also possible to evaluate a keyword included in a search site at a high ratio as a useful keyword when searching the web page.

(Second Embodiment)
Next, a second embodiment will be described.

  In the first embodiment, as shown in FIG. 4, keywords are extracted from the web page of the search result (step S4). Then, the web search is performed again based on the extracted extracted keyword, and the search result of the web page related to the extracted keyword is acquired (step S5). When the web page display order obtained by searching based on the extracted keyword is compared with the display order of the web page obtained by searching based on the search keyword, the web page is searched. We decide to evaluate useful keywords (step S6).

  In the second embodiment, as shown in FIG. 6, useful rank information 61 is given to the web page 60 in advance. FIG. 6 is a diagram illustrating a configuration example of the web page 60. The useful ranking information 61 given to the web page 60 is information indicating the ranking of keywords useful when searching the web page 60. The higher the keyword rank, the higher the display rank when searching the web page 60 based on the keyword. For example, useful page information of keywords A, B, C, D, and E is assigned to the web page 60 of the URL of page A shown in FIG. For this reason, the display order when the web page 60 is searched based on the keyword A is ranked first, and the display order when the web page 60 is searched based on the keyword B is ranked second. Will be in.

  In the second embodiment, as shown in FIG. 6, keywords useful for searching the web page 60 are evaluated based on the useful ranking information 61 of the keywords assigned to the web page 60.

  For example, the search keyword (keyword D) is compared with the useful ranking information 61 of the keyword, and a keyword useful when searching the web page 60 is evaluated. In this case, keywords (keywords A, B, and C) that are higher in rank than the search keyword (keyword D) are determined to be useful keywords when searching the web page 60.

  Also, an evaluation value corresponding to the rank difference between the rank of the search keyword (keyword D) and the rank of the keywords (keywords A, B, C, D, E) of the useful rank information 61 is calculated. It is also possible to determine a keyword whose calculated evaluation value is equal to or greater than a predetermined threshold as a useful keyword. For the evaluation value, the value of the evaluation value of keywords (keywords A, B, and C) having a higher rank than that of the search keyword (keyword D) is increased. Conversely, the evaluation value of the keyword (keyword E) having a lower rank than the rank of the search keyword (keyword D) is reduced.

  In the second embodiment, it is possible to evaluate a useful keyword when searching the web page 60 only by using the useful ranking information 61 of the keyword. For this reason, keyword evaluation can be performed more easily than in the first embodiment. The useful ranking information 61 to be given to the web page 60 is created on the server 200 side that provides the web page 60 or on the search device 100 side. The method for creating the useful rank information 61 is not particularly limited, and can be created by any method.

<Example of processing operation of search system>
A processing operation example of the search system according to the present embodiment will be described with reference to FIG. FIG. 7 is a diagram illustrating a series of processing operation examples of the search system according to the present embodiment.

  The processing from step S1 to S3 is the same as the processing operation shown in FIG. 4, and the search result obtained by searching based on the search keyword is stored in the search result storage unit 21 (step S3).

  The keyword evaluation unit 13 acquires useful ranking information 61 given to the web page 60 of the search result stored in the search result storage unit 21 (step S10).

  The keyword evaluation unit 13 evaluates keywords that are useful when searching the web page 60 based on the useful ranking information 61 (step S11).

  As shown in FIG. 3, the search result display unit 14 displays, on the display input unit 30, the keyword 33 determined to be useful by the keyword evaluation unit 13 along with the web page information 32 stored in the search result storage unit 21 ( Step S7).

<Operation and effect of search system of this embodiment>
As described above, the search system of the present embodiment can evaluate useful keywords when searching the web page 60 only by using the keyword useful ranking information 61. For this reason, it is possible to easily evaluate useful keywords when searching the web page 60.

(Third embodiment)
Next, a third embodiment will be described.

  In the first and second embodiments described above, a keyword is reversed from the web page, and a keyword useful for searching the web page is evaluated based on the keyword. For example, in the first embodiment, useful keywords are evaluated based on the extracted keywords extracted from the web page. In the second embodiment, useful keywords are evaluated based on keywords of useful ranking information on the web page.

  In the third embodiment, useful keywords are evaluated based on the suggest keywords related to the search keyword specified by the keyword input unit 11. The suggest keyword is a keyword related to the search keyword, and is a keyword used when performing a web search together with the search keyword. By evaluating a keyword that is useful when searching a web page based on the suggest keyword, it is possible to evaluate a useful keyword using the suggest keyword even if the keyword cannot be reversed from the web page.

<Configuration example of search device 100>
First, a configuration example of the search device 100 according to the present embodiment will be described with reference to FIG.

  The search device 100 according to the present embodiment includes a suggest keyword storage unit 22.

  The suggestion keyword storage unit 22 stores a suggestion keyword related to the search keyword specified by the keyword input unit 11. Suggested keywords are updated as needed based on the user's input history and search history. Thereby, the keyword used for the web search together with the search keyword can be stored in the suggestion keyword storage unit 22 as the suggestion keyword. It is also possible for the user to set a suggestion keyword.

  The keyword evaluation unit 13 acquires a suggestion keyword related to the search keyword specified by the keyword input unit 11 from the suggestion keyword storage unit 22. Then, the web search is performed again based on the suggestion keyword acquired from the suggestion keyword storage unit 22, and the search result of the web page related to the suggestion keyword is acquired.

  The keyword evaluation unit 13 compares the display order of the web pages obtained by searching based on the suggest keyword with the display order of the web pages stored in the search result storage unit 21. Then, based on the comparison result, it is determined whether or not the display order of the web page obtained by searching based on the suggest keyword is higher than the display order of the web page stored in the search result storage unit 21. . When the display order of the web page obtained by searching based on the suggest keyword is higher than the display order of the web page stored in the search result storage unit 21, when searching the web page, Is more useful than a search keyword. This makes it possible to evaluate keywords that are useful when searching for web pages stored in the search result storage unit 21.

  Further, the keyword evaluation unit 13 evaluates the evaluation value according to the difference between the display order of the web page obtained by searching based on the suggestion keyword and the display order of the web page stored in the search result storage unit 21. Is calculated. It is also possible to evaluate a suggest keyword whose calculated evaluation value is equal to or greater than a predetermined threshold as a useful keyword. The evaluation value increases the value of the evaluation value when the display order of the web page obtained by searching based on the suggestion keyword is higher than the display order of the web page stored in the search result storage unit 21. Conversely, when the display order of the web pages obtained by searching based on the suggestion keyword is lower than the display order of the web pages stored in the search result storage unit 21, the evaluation value is decreased. Even with this evaluation method, it is possible to evaluate keywords that are useful when searching the web page stored in the search result storage unit 21.

<Example of processing operation of search system>
Next, a processing operation example of the search system according to the present embodiment will be described with reference to FIG. FIG. 9 is a diagram illustrating a series of processing operation examples of the search system according to the present embodiment.

  The processing from step S1 to S3 is the same as the processing operation shown in FIG. 4, and the search result obtained by searching based on the search keyword is stored in the search result storage unit 21 (step S3).

  The keyword evaluation unit 13 acquires a suggestion keyword related to the search keyword specified by the keyword input unit 11 from the suggestion keyword storage unit 22 (step S20).

  The keyword evaluation unit 13 performs the web search again based on the suggestion keyword acquired from the suggestion keyword storage unit 22, and acquires the search result of the web page related to the suggestion keyword (step S21).

  When the keyword evaluation unit 13 searches the web page by comparing the display order of the web page obtained by searching based on the suggestion keyword and the display order of the web page stored in the search result storage unit 21. Evaluate keywords useful for (step S22).

  As shown in FIG. 3, the search result display unit 14 displays, on the display input unit 30, the keyword 33 determined to be useful by the keyword evaluation unit 13 along with the web page information 32 stored in the search result storage unit 21 ( Step S7).

<Operation and effect of search system of this embodiment>
As described above, the search system according to the present embodiment includes the suggestion keyword storage unit 22. And the suggestion keyword relevant to the search keyword designated by the keyword input part 11 is acquired from the suggestion keyword memory | storage part 22 (step S20). Then, the web search is performed again based on the acquired suggestion keyword, and the search result of the web page related to the suggestion keyword is acquired (step S21). Next, when the display order of the web page obtained by searching based on the suggestion keyword is compared with the display order of the web page obtained by searching based on the search keyword, and the web page is searched. Evaluate keywords useful for (step S22). In this way, by evaluating useful keywords when searching web pages based on suggested keywords, it is possible to evaluate useful keywords using suggested keywords even if the keywords cannot be reversed from the web pages. Can do.

  In the processing operation example described above, the search keyword storage unit 22 is provided on the search device 100 side, and a suggestion keyword related to the search keyword specified by the keyword input unit 11 is acquired from the suggestion keyword storage unit 22. ing.

  However, the server 200 side has a suggestion keyword storage unit 22, and a suggestion keyword related to the search keyword specified by the keyword input unit 11 is added to the search result on the web page and transmitted to the search device 100 side. It is also possible to do. Thereby, when the search apparatus 100 acquires the search result of the web page related to the search keyword, information on the suggestion keyword related to the search keyword is also acquired. As a result, the keyword evaluation unit 13 can evaluate useful keywords based on the suggested keywords acquired together with the web page search results. An example of the processing operation in this case is shown in FIG. FIG. 10 shows an example of processing operation when a suggestion keyword is given to a search result obtained by performing a web search based on a search keyword.

  The processing from step S1 to S3 is the same as the processing operation shown in FIG. 4, and the search result obtained by searching based on the search keyword is stored in the search result storage unit 21 (step S3). In this case, the search keyword stored in the search result storage unit 21 is given a suggestion keyword.

  The keyword evaluation unit 13 acquires a suggestion keyword related to the search keyword from the search result storage unit 21 (step S30). Then, the web search is performed again based on the acquired suggestion keyword, and the search result of the web page related to the suggestion keyword is acquired (step S21).

  When the keyword evaluation unit 13 searches the web page by comparing the display order of the web page obtained by searching based on the suggestion keyword and the display order of the web page stored in the search result storage unit 21. Evaluate keywords useful for (step S22).

  Thereby, a useful keyword can be evaluated based on the suggestion keyword provided to the search result.

  The above-described embodiment is a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiment alone, and various modifications are made without departing from the gist of the present invention. Implementation is possible.

  For example, the control operation in each part constituting the search device 100 of the above embodiment can be executed using hardware, software, or a combined configuration of both.

  In the case of executing processing using software, it is possible to install and execute a program in which a processing sequence is recorded in a memory in a computer incorporated in dedicated hardware. Alternatively, it can be installed in a memory in a general-purpose computer capable of executing various processes and executed.

  For example, the program can be recorded in advance on a hard disk or ROM (Read Only Memory) as a recording medium. Alternatively, the program can be stored (recorded) temporarily or permanently in a removable recording medium. Such a removable recording medium can be provided as so-called package software. Examples of the removable recording medium include various recording media such as a magnetic disk and a semiconductor memory.

  The program is installed in the computer from the removable recording medium as described above. In addition, it is wirelessly transferred from the download site to the computer. In addition, it is transferred to a computer via a network by wire.

  In addition, each device configuring the search system of the above embodiment is not limited to executing the processing in time series according to the processing operation described in the above embodiment. For example, it is possible to construct the processing capability of a device that executes processing, or to execute processing in parallel or individually as necessary.

DESCRIPTION OF SYMBOLS 100 Search apparatus 10 Control part 11 Keyword input part 12 Search part 13 Keyword evaluation part 14 Search result display part 20 Storage part 21 Search result storage part 22 Suggest keyword storage part 30 Display input part 200 Server

Claims (11)

Keyword input means for inputting at least one keyword and designating a search keyword to be used when performing a web search;
Search means for performing a web search based on the search keyword and obtaining a search result of a web page related to the search keyword;
Determination means for determining whether or not there is a useful keyword more useful than the search keyword when searching the web page;
When there is the useful keyword, display means for displaying the useful keyword together with information on the web page;
A search device comprising: The display means includes
First display means for displaying the web page information including the search keyword with the useful keyword added thereto;
Second display means for replacing the information on the web page including the search keyword with the information on the web page including the useful keyword;
The search apparatus according to claim 1, further comprising at least one display means. Extracting means for extracting a keyword from the web page;
Search result acquisition means for performing a web search based on the extracted keyword extracted by the extraction means and acquiring a search result of a web page related to the extracted keyword;
The display order of the web page obtained by searching based on the extracted keyword is compared with the display order of the web page obtained by searching based on the search keyword, and based on the comparison result And an evaluation means for evaluating whether or not there is a useful keyword more useful than the search keyword in the extracted keyword,
The determination means includes
The search device according to claim 1, wherein it is determined whether there is a useful keyword more useful than the search keyword based on an evaluation result by the evaluation means. The word contained in the web page of the search result acquired by the search means is analyzed, and the word contained in the specific web page at a higher ratio than the web page ranked in the top of the search result is analyzed. With an analysis tool that evaluates as a useful keyword when searching for
The determination means includes
The search device according to claim 1, wherein it is determined whether there is a useful keyword more useful than the search keyword based on an evaluation result of the analysis unit. The search means includes
Based on the search keyword, a web search is performed at a plurality of search sites, and search results of web pages related to the search keyword are obtained from the plurality of search sites,
The determination means includes
3. The search according to claim 1, wherein keywords included in search results obtained from a plurality of search sites are compared to determine whether there is a useful keyword more useful than the search keyword. apparatus. The web page acquired by the search means is provided with useful ranking information indicating the ranking of keywords useful when searching the web page,
The determination means includes
3. The search according to claim 1, wherein when searching the web page based on the useful ranking information, it is determined whether there is a useful keyword more useful than the search keyword. apparatus. A suggestion keyword acquisition means for acquiring a suggestion keyword related to the search keyword;
Search result acquisition means for performing a web search based on the suggestion keyword and acquiring a search result of a web page related to the suggestion keyword;
The display order of the web page obtained by searching based on the suggestion keyword is compared with the display order of the web page obtained by searching based on the search keyword, and based on the comparison result, Evaluation means for evaluating whether or not there is a useful keyword more useful than the search keyword in the suggestion keyword,
The determination means includes
The search device according to claim 1, wherein it is determined whether there is a useful keyword more useful than the search keyword based on an evaluation result by the evaluation means. A suggestion keyword storage unit for storing a suggestion keyword related to the search keyword;
The suggestion keyword acquisition means includes:
The search device according to claim 7, wherein the suggestion keyword is acquired from the suggestion keyword storage unit. The search result obtained by the search means is given a suggestion keyword related to the search keyword,
The suggestion keyword acquisition means includes:
The search device according to claim 7, wherein the suggestion keyword assigned to the search result is acquired. Keyword input means for inputting at least one keyword and designating a search keyword to be used when performing a web search;
Search means for performing a web search based on the search keyword and obtaining a search result of a web page related to the search keyword;
Determination means for determining whether or not there is a useful keyword more useful than the search keyword when searching the web page;
When there is the useful keyword, display means for displaying the useful keyword together with information on the web page;
A search system comprising: A keyword input process that inputs at least one keyword and specifies a search keyword to be used when performing a web search;
A search process for performing a web search based on the search keyword and obtaining a search result of a web page related to the search keyword;
A determination process for determining whether or not there is a useful keyword more useful than the search keyword when searching the web page;
A program for causing a computer to execute display processing for displaying the useful keyword on a display unit together with information on the web page when the useful keyword is present.

Images