JP5289498B2 - Common additional information adding device by category and common additional information adding method by category - Google Patents

Description

  The present invention relates to a category-specific common additional information adding apparatus and a category-specific common additional information adding method.

  There are search sites on the Internet where web pages can be searched. The search site outputs a search result page in response to receiving the search query. This search result page includes a web page title, URL, and a snippet indicating a part of the web page information (see, for example, Patent Document 1). This snippet is often a sentence including a search query in a Web page or a sentence before and after the sentence.

JP 2004-234290 A

  By the way, a web page often includes additional information common to each category to which the web page belongs. Specifically, for example, common additional information such as “cooking time” and “calorie” is included in the Web page belonging to the category of recipe. The additional information common to each category is considered to be information that is effective in comparing Web pages belonging to the category. Therefore, it is preferable that the user who has transmitted the search request can view the common additional information included in the Web page belonging to the predetermined category in the snippet indicating the search result.

  However, in the conventional technique, a snippet is often configured based on a sentence including a search query in a Web page and sentences before and after the sentence. Therefore, when the additional information is included in the search query. Except for the above, the snippet does not necessarily include common additional information for each category to which the Web page belongs.

  Accordingly, an object of the present invention is to provide a category-specific common additional information adding apparatus and a category-specific common additional information adding method capable of adding common additional information for each category of a Web page to a search result page. .

  (1) A category-specific common additional information adding apparatus that is communicably connected to a user terminal and adds common additional information to a search result page for each category to which a Web page belongs, and includes a URL indicating a Web page, the Web Additional information storage means for storing a common word included in common for each category to which the page belongs and additional information related to the common word included in the Web page; and for each category, the Web page storage means A common word extracting unit that extracts the common word that appears at a predetermined frequency in the Web page stored in the Web page, stores the category and the extracted common word in association with each other, and is stored in the Web page storage unit. For each existing Web page, the common page stored in the common word extraction unit corresponds to the category to which the Web page belongs. Additional information related to a word is extracted, additional information extracting means for storing the URL indicating the Web page, the common word, and the additional information in the additional information storage means, and a search request is received from the user terminal If the URL indicating the Web page stored in the additional information storage means is included in the search result page generated accordingly, the common word and the additional information corresponding to the URL indicating the Web page Is extracted from the additional information storage means and added to the search result page, and transmission means for transmitting the search result page to which the additional information is added by the additional information addition means to the user terminal And a category-specific common additional information adding device.

  In the category-specific common additional information adding device of (1), the common word extracting unit extracts a common word that appears on the Web page stored in the Web page storage unit at a predetermined frequency for each category, The extracted common word is stored in association with each other, and for each Web page stored in the Web page storage unit, the common information stored in the common word extraction unit corresponds to the category to which the Web page belongs. Additional information relating to the word is extracted, and the URL indicating the Web page, the common word, and the additional information are stored in the additional information storage unit. In the category-specific common additional information adding device (1), the additional information adding unit stores the Web stored in the additional information storage unit in the search result page generated in response to receiving the search request from the user terminal. If a URL indicating a page is included, the common word and additional information corresponding to the URL indicating the Web page are extracted from the additional information storage unit and added to the search result page, and the additional information is added by the transmitting unit. The search result page to which the additional information is added by the means is transmitted to the user terminal.

  Therefore, the category-specific common additional information adding device of (1) adds the common language corresponding to the category of the Web page and the additional information related to the common language to the search result page composed only of the snippet corresponding to the search query. Thus, the search result page can be enriched. Even if the common word and additional information are not included in the search result page snippet, the common word and additional information are displayed on the search result page, so the user needs the common word and additional information. In some cases, convenience can be improved.

  (2) The common word extraction unit extracts, as the common word, a word having a relatively high DF (Document Frequency) among words included in a Web page belonging to the category for each category. Common additional information adding device classified by category as described in 1. Common additional information adding device by category.

  In this way, the category-specific common additional information adding device (2) can extract common words that appear at a predetermined frequency on the Web page using a scale called DF.

  (3) A category-specific common additional information adding method executed by a category-specific common additional information adding device for adding common additional information for each category to which a Web page belongs to a search result page, the category-specific common additional information adding device Is an additional information storage unit that associates and stores a URL indicating the Web page, a common word included in common for each category to which the Web page belongs, and additional information related to the common word included in the Web page. The category-specific common additional information adding method extracts, for each category, the common word that appears at a predetermined frequency on a Web page stored in the Web page storage unit, and extracts the category as the category A common word extracting step for storing the common words in association with each other, and a Web page stored in the Web page storage means. For each page, the additional information related to the common word stored in the common word extraction step corresponding to the category to which the Web page belongs is extracted, the URL indicating the Web page, the common word, and the additional information The additional information extracting step for storing the information in the additional information storage means, and the Web page stored in the additional information storage means in the search result page generated in response to receiving the search request from the user terminal. If the URL is included, an additional information adding step of extracting the common word and the additional information corresponding to the URL indicating the Web page from the additional information storage unit and adding the extracted information to the search result page; A transmitting step of transmitting the search result page to which the additional information is added in the information adding step to the user terminal; , Common additional information how to add categories, including.

  According to this method, the same effect as the invention according to (1) is obtained.

  ADVANTAGE OF THE INVENTION According to this invention, the common additional information addition apparatus classified by category which can add common additional information for every category of a web page to the search result page comprised only from the snippet corresponding to a search query, and common additional information classified by category Additional methods can be provided.

It is a figure which shows the function outline | summary of the common additional information addition apparatus classified by category which concerns on this embodiment. It is a figure which shows archive DB which concerns on this embodiment. It is a figure which shows common language DB which concerns on this embodiment. It is a figure which shows additional information DB which concerns on this embodiment. It is a figure which shows index DB which concerns on this embodiment. It is a figure which shows the example by which the common word and the additional information were displayed on the search result page which concerns on this embodiment. It is a flowchart which shows the flow of a process after extracting a common word from archive DB until it memorize | stores additional information in additional information DB in the category common additional information addition apparatus which concerns on this embodiment. In the common additional information addition apparatus classified by category which concerns on this embodiment, it is a flowchart which shows the flow of a process after receiving a search request from a user terminal until transmitting a search result page to a user terminal.

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

[Function configuration]
FIG. 1 is a diagram showing a functional outline of the category-specific common additional information adding apparatus 1 according to the present embodiment. The category-specific common additional information adding device 1 is a server that can add common additional information for each category to which a Web page belongs to a search result page.

  The present embodiment is applied to a computer (category-specific common additional information adding device 1) and its peripheral devices. Each unit in the present embodiment is configured by hardware included in a computer and its peripheral devices, and software that controls the hardware.

  The hardware includes a storage unit, a communication device, a display device, and an input device in addition to a CPU (Central Processing Unit) as a control unit. Examples of the storage unit include a memory (RAM: Random Access Memory, ROM: Read Only Memory, etc.), a hard disk drive (HDD: Hard Disk Drive), and an optical disk (CD: Compact Disc, DVD: Digital Versatile Drive, etc.). It is done. Examples of the communication device include various wired and wireless interface devices. Examples of the display device include various displays such as a liquid crystal display and a plasma display. Examples of the input device include a keyboard and a pointing device (mouse, tracking ball, etc.).

  The software includes a computer program and data for controlling the hardware. The computer program and data are stored in the storage unit, and are appropriately executed and referenced by the control unit. The computer program and data can be distributed via a communication line, or can be recorded on a computer-readable medium such as a CD-ROM and distributed.

  The category-specific common additional information adding device 1 includes an operation unit 11 that receives a direct input from an operator, a display unit 12 that displays information related to functions of the category-specific common additional information adding device 1, and the present embodiment. A storage unit 13 for storing a program (not shown) for executing a function and the like, and a control unit 14 for comprehensively controlling each function related to the category-specific common additional information adding device 1 are provided.

The operation unit 11 is implemented by, for example, a keyboard and a pointing device (mouse, tracking ball, etc.).
The display unit 12 is mounted by various displays such as a liquid crystal display and a plasma display, for example.

  In addition to the various programs described above, the storage unit 13 includes an archive DB 131 as a Web page storage unit, a common language DB 132 as a common language storage unit, an additional information DB 133 as an additional information storage unit, and an index DB 134. Prepare.

  The control unit 14 includes a common word extraction unit 141 as a common word extraction unit, an additional information extraction unit 142 as an additional information extraction unit, a search request reception unit 143, a search unit 144, and an addition as an additional information addition unit. An information addition unit 145 and a search result page transmission unit 146 as a transmission unit are provided.

  The common word extraction unit 141 extracts common words that appear at a predetermined frequency on the Web page stored in the archive DB 131 for each category to which the Web page belongs. Specifically, the common word extraction unit 141 performs, for each category, a morphological analysis of a Web page belonging to the category, and specifies a word included in the Web page. Then, the common word extraction unit 141 extracts words having a relatively high DF (Document Frequency) among the words included in the Web page as common words. Here, DF refers to the number of documents (Web pages) containing words. For example, the DF of the predetermined word W refers to the number of Web pages that include at least one predetermined word W.

Subsequently, the common word extraction unit 141 stores the category and the extracted common word in association with each other in the common word DB 132.
Here, when a plurality of words having a relatively high DF are extracted, the common word extraction unit 141 displays the plurality of words on the display unit 12 as common word candidates, and these are displayed via the operation unit 11. You may make it receive selection of the word made into a common word among several words.

FIG. 2 is a diagram showing the archive DB 131 according to this embodiment.
The archive DB 131 stores a Web page and a URL indicating the Web page in association with each category. The archive DB 131 includes Web pages acquired by the crawler, RSS update information acquired by the RSS reader, data feeds received from content providers, and the like.

  In the present embodiment, only one archive DB 131 is provided in FIG. 2, but the present invention is not limited to this, and a plurality of archive DBs may be provided. In this case, each of the plurality of archive DBs may store Web pages acquired by different types of crawlers or the like. Then, when the same Web page is indicated by a plurality of different URLs in a plurality of archive DBs, this URL may be adjusted.

  For example, in one archive DB, a URL indicating a certain Web page is “www.????.com/%E6%A4%9C%E7%B4%A2/123567” and the other archive DB has the same URL. When the URL indicating the Web page is “www.???.com/search/1234567”, the common word extraction unit 141 and the additional information extraction unit 142 refer to only one of the two Web pages. Also good. For example, the common word extraction unit 141 and the additional information extraction unit 142 may determine that they are the same Web page when a predetermined number of character strings at the end of the URL match.

FIG. 3 is a diagram showing the common language DB 132 according to the present embodiment.
The common language DB 132 stores a category and a common language of a plurality of Web pages belonging to the category in association with each other.

FIG. 4 is a diagram showing the additional information DB 133 according to the present embodiment.
The additional information DB 133 stores a URL indicating a Web page, a common word included in common for each category to which the Web page belongs, and additional information related to the common language included in the Web page in association with each other.

  Returning to FIG. For each Web page stored in the archive DB 131, the additional information extraction unit 142 specifies a common word corresponding to the category to which the Web page belongs by referring to the common word DB 132. Subsequently, the additional information extraction unit 142 extracts additional information related to the specified common language from the Web page.

  For example, the additional information extraction unit 142 refers to the tag information of the Web page and extracts a character string near the common word. Here, when there are a plurality of character strings near the common word, the additional information extracting unit 142 may display the plurality of character strings on the display unit 12 as additional information candidates. Then, the additional information extraction unit 142 may accept selection of a character string as additional information from the plurality of character strings via the operation unit 11. Further, when a plurality of Web pages belong to the same domain, when the selection of a character string as additional information is received via the operation unit 11 for one Web page, the additional information extraction unit 142 For other web pages, information at the same position as the additional information selected via the operation unit 11 may be extracted as additional information.

  Subsequently, the additional information extraction unit 142 stores the URL indicating the Web page, the common language included in the Web page, and the additional information related to the common language included in the Web page in association with each other and stored in the additional information DB 133.

  The search request receiving unit 143 receives a search request from the user terminal 2 by receiving a search query.

  The search unit 144 refers to the index DB 134 in response to receiving the search request by the search request receiving unit 143, and corresponds to the URL corresponding to the search query received by the search request receiving unit 143 and the URL. Generate a search results page that includes snippets.

  FIG. 5 is a diagram showing the index DB 134 according to the present embodiment. The index DB 134 stores an address (URL) indicating a Web page, text information as an index of the Web page, and a snippet in association with each other.

  Returning to FIG. Whether the additional information adding unit 145 includes the URL indicating the Web page stored in the additional information DB 133 in the search result page generated by the searching unit 144 in response to receiving the search request from the user terminal 2. Determine whether or not. When the search result page includes a URL indicating the Web page stored in the additional information DB 133, the additional information adding unit 145 extracts the common language and additional information included in the Web page from the additional information DB 133. To do.

  Subsequently, the additional information adding unit 145 adds the extracted common word and additional information to a predetermined position on the search result page. Here, the predetermined position is the vicinity of the snippet and URL of the Web page corresponding to the extracted common word and additional information.

FIG. 6 is a diagram illustrating an example in which the common word and the additional information P1 are displayed on the search result page P according to the present embodiment.
Assuming that the URL “http: //www.gourmet.***.jp/123.html” posted on the search result page P is included in the additional information DB 133 as shown in FIG. The additional unit 145 extracts “calorie”, “123 kcal”, “cooking time”, and “15 minutes” as common words and additional information from the additional information DB 133, and as common language and additional information P1 as shown in FIG. Added to search results page.

  The search result page transmission unit 146 transmits the search result page to which the additional information is added by the additional information addition unit 145 to the user terminal 2. The search result page transmission unit 146 transmits the search result page generated by the search unit 144 to the user terminal 2 when the additional information adding unit 145 does not add the additional information.

[flowchart]
Next, the flow of processing in the category-specific common additional information adding device 1 will be described.
FIG. 7 is a flowchart showing a flow of processing from extracting a common word from the archive DB 131 to storing the additional information in the additional information DB 133 in the category-specific common additional information adding apparatus 1 according to the present embodiment.

In step S1, the control unit 14 (common word extraction unit 141) performs, for each category, a morphological analysis of a Web page belonging to the category, and specifies a word included in the Web page.
In step S2, the control unit 14 (common word extraction unit 141) extracts words having a relatively high DF as common words.
In step S <b> 3, the control unit 14 (common word extraction unit 141) stores the category and the common word corresponding to the category in the common word DB 132.

In step S <b> 4, the control unit 14 (additional information extraction unit 142) refers to the common language DB 132 for each Web page stored in the archive DB 131 and identifies a common language corresponding to the category to which the Web page belongs. .
In step S5, the control unit 14 (additional information extraction unit 142) extracts additional information related to the common language identified in step S4 from the Web page.

  In step S6, the control unit 14 (additional information extraction unit 142) causes the additional information DB 133 to store the URL indicating the Web page, the common word identified in step S4, and the additional information extracted in step S5.

  FIG. 8 is a flowchart showing a flow of processing from receiving a search request from the user terminal 2 to transmitting a search result page to the user terminal 2 in the category-specific common additional information adding device 1 according to the present embodiment. In the present embodiment, it is assumed that a URL indicating a Web page, a common language, and additional information are stored in association with each other in the additional information DB 133 before the processing shown in FIG. 7 is performed.

In step S <b> 11, the control unit 14 (search request receiving unit 143) receives a search request from the user terminal 2 by receiving a search query.
In step S12, the control unit 14 (search unit 144) refers to the index DB 134 in response to receiving the search request in step S11, the URL corresponding to the search query received in step S11, and the URL A search result page including a snippet corresponding to is generated.

  In step S13, the control unit 14 (additional information adding unit 145) determines whether or not the search result page generated in step S2 includes a URL indicating the Web page stored in the additional information DB 133. . The control unit 14 (additional information adding unit 145) moves the process to step S14 when this determination is YES, and moves the process to step S16 when this determination is NO.

In step S <b> 14, the control unit 14 (additional information adding unit 145) adds the common language and additional information included in the Web page posted on the search result page among the Web pages stored in the additional information DB 133 as additional information. Extract from DB133.
In step S15, the control unit 14 (additional information adding unit 145) displays the common word and additional information extracted in step S14 on the Web page corresponding to the common word and additional information posted on the search result page. Add to the neighborhood.

  In step S16, the control unit 14 (search result page transmission unit 146) transmits the search result page to which the common word and the additional information are added in step S15 or the search result page generated in step S12 to the user terminal 2.

  As described above, according to the present embodiment, the category-specific common additional information adding device 1 uses the common word extraction unit 141 to extract common words that appear at a predetermined frequency on the Web page stored in the archive DB 131 for each category. Then, the category and the extracted common word are associated with each other and stored in the common word DB 132, and the additional information extraction unit 142 corresponds to the category to which the Web page belongs for each Web page stored in the archive DB 131. Additional information related to the common word stored in the word DB 132 is extracted, and the URL indicating the Web page, the common word, and the additional information are stored in the additional information DB 133. The category-specific common additional information adding device 1 adds the Web page stored in the additional information DB 133 to the search result page generated by the additional information adding unit 145 when the search request is received from the user terminal 2. If the URL shown is included, the common word and additional information corresponding to the URL indicating the Web page are extracted from the additional information DB 133 and added to the search result page, and the search result page transmission unit 146 adds the additional information. The search result page to which the additional information is added by the adding unit 145 is transmitted to the user terminal 2.

  Therefore, the category-specific common additional information adding device 1 adds the common word corresponding to the category of the Web page and the additional information related to the common word to the search result page configured only by the snippet corresponding to the search query, The search result page can be enriched. The category-specific common additional information adding device 1 displays the common word and the additional information on the search result page even when the common word and the additional information are not included in the snippet of the search result page. When the common language and additional information are required, convenience can be improved.

  Further, the common additional information adding device by category 1 uses the common word extracting unit 141 to extract, for each category, a word having a relatively high DF among words included in the Web page belonging to the category as a common word. , DF can be used to extract common words that appear at a predetermined frequency on the Web page.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. The effects described in the embodiments of the present invention are only the most preferable effects resulting from the present invention, and the effects of the present invention are limited to those described in the embodiments of the present invention. is not.

  In the present embodiment, a computer called the category-specific common additional information adding device 1 has been described as an example. However, the present invention is not limited to a computer, and a method for a computer to execute various functions and a computer to execute various functions. This program can also be applied to a storage medium storing this program.

DESCRIPTION OF SYMBOLS 1 Common additional information addition apparatus according to category 2 User terminal 11 Operation part 12 Display part 13 Storage part 14 Control part 131 Archive DB
132 Common Language DB
133 Additional information DB
134 Index DB
141 Common word extraction unit 142 Additional information extraction unit 143 Search request reception unit 144 Search unit 145 Additional information addition unit 146 Search result page transmission unit

Claims (3)

A category-specific common additional information adding device that is communicably connected to a user terminal and adds common additional information to a search result page for each category to which a Web page belongs,
An additional information storage means for storing a URL indicating a Web page, a common word included in common for each category to which the Web page belongs, and additional information related to the common word included in the Web page in association with each other;
A common word extraction unit that extracts, for each category, the common word that appears at a predetermined frequency in a Web page stored in the Web page storage unit, and stores the category and the extracted common word in association with each other; ,
For each Web page stored in the Web page storage unit, the additional information related to the common language stored in the common language extraction unit corresponding to the category to which the Web page belongs is extracted to indicate the Web page Additional information extraction means for storing the URL, the common language, and the additional information in the additional information storage means;
If the search result page generated in response to receiving a search request from the user terminal includes a URL indicating the Web page stored in the additional information storage unit, the URL indicating the Web page Additional information adding means for extracting the corresponding common word and the additional information from the additional information storage means and adding them to the search result page;
Transmitting means for transmitting the search result page to which the additional information is added by the additional information adding means to the user terminal;
A category-specific common additional information adding device. The common word extraction unit extracts, as the common word, a word having a relatively high DF (Document Frequency) among words included in a Web page belonging to the category for each category.
The category-specific common additional information adding device according to claim 1. A category-specific common additional information adding method executed by a category-specific common additional information adding apparatus for adding common additional information for each category to which a Web page belongs to a search result page,
The category-specific common additional information adding device is:
Additional information storage means for storing the URL indicating the Web page, the common language included in common for each category to which the Web page belongs, and additional information related to the common language included in the Web page in association with each other. ,
The category-specific common additional information adding method extracts, for each category, the common word that appears at a predetermined frequency on a Web page stored in the Web page storage unit, and the category and the extracted common word A common word extraction step for storing
For each Web page stored in the Web page storage unit, corresponding information corresponding to the category to which the Web page belongs is extracted, and additional information related to the common word stored in the common word extraction step is extracted to indicate the Web page An additional information extraction step of storing the URL, the common word, and the additional information in the additional information storage means;
Corresponding to the URL indicating the Web page when the URL indicating the Web page stored in the additional information storage means is included in the search result page generated in response to receiving the search request from the user terminal An additional information adding step of extracting the common word and the additional information from the additional information storage means and adding them to the search result page;
A method of adding common additional information by category, comprising: transmitting the search result page to which the additional information is added in the additional information adding step to the user terminal.

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