KR100851041B1 - Method for recommending advertising keyword by inputting url and system thereof - Google Patents

Abstract

The present invention comprises the steps of receiving a URL (Universal Resource Locator) of the advertising site from the advertiser, extracting a keyword by searching the advertising site of the input URL, analyzing the extracted keyword and the analysis According to a result, a method of recommending an advertisement keyword including providing a recommendation advertisement keyword to the advertiser is provided.

URL, keyword, referral, ad, site

Description

Method for recommending advertising keyword by inputting URL and system

1 is a view showing an interworking relationship between an advertisement keyword recommendation system and an advertiser terminal according to the present invention.

2 is a diagram illustrating a configuration of an advertisement keyword recommendation system according to an embodiment of the present invention.

3 is a diagram illustrating a flow of a method for recommending an advertisement keyword according to another exemplary embodiment of the present invention.

FIG. 4 is a diagram illustrating an example in which the providing of the recommended advertising keyword of FIG. 3 is specified.

<Explanation of symbols for the main parts of the drawings>

110: advertiser terminal

120: network

130: Ad keyword referral system

210: input unit

220: extraction unit

230: analysis unit

240: providing part

250: database

The present invention relates to a method and system for recommending an advertisement keyword through a URL (Uniform Resource Locator) input, and more particularly, when the URL of the site that the advertiser wants to advertise is input from the advertiser, It relates to a method and system for recommending advertising keywords.

In general, a method using an advertisement keyword allows an advertiser to purchase an advertisement keyword associated with a site or an item that the advertiser wants to advertise, and when the purchased advertisement keyword is searched, the advertiser advertises the site or the item in association with a search result. For example, if the advertiser wants to advertise the item 'aaa', if the item 'aaa' is a personal mobile device, the advertisement keyword 'personal mobile device' is purchased, and the advertisement keyword 'personal mobile device' is searched. The advertisement of the item 'aaa' is provided to the user who inputs the advertisement keyword as the search keyword in association with the search result of the advertisement keyword 'personal portable terminal'.

The conventional method of advertising through the search keyword is limited to a keyword that the advertiser subjectively associated with a keyword or an advertisement providing site associated with a site or an item to be advertised. For example, if an advertiser wants to advertise a site called 'bbb', the conventional method of advertising through a search keyword is to select the site name 'bbb' as an advertisement keyword, and the advertisement is displayed only to users who know the site name 'bbb'. Since it is possible to advertise only to users who do not know the site called 'bbb' to enjoy the advertising effect, there is a problem in that it does not provide a proper advertising service due to the selection of the wrong advertising keywords.

The present invention has been made to improve the prior art as described above, and provides a method and system for extracting and analyzing keywords included in the advertising site to be advertised by the advertiser and recommending the appropriate advertising keywords to the advertiser according to the analysis results. It aims to do it.

It is another object of the present invention to provide a method and system for recommending an optimal advertisement keyword to an advertiser by extracting a keyword from an input URL of an advertisement site and receiving the URL of the advertisement site to be advertised by the advertiser. It is.

In order to achieve the above object and to solve the problems of the prior art, the present invention comprises the steps of receiving a URL (Universal Resource Locator) of the advertising site from the advertiser, and extracts the keyword by searching the advertising site of the input URL And a step of analyzing the extracted keyword and providing a recommended advertisement keyword to the advertiser according to the analysis result.

According to another aspect of the present invention, an advertisement keyword recommendation system includes an input unit for receiving a UAL of an advertisement site to be advertised from an advertiser, an extraction unit for searching a web page of the input UAL advertisement site, and extracting a keyword; An analysis unit for analyzing the keywords and a providing unit for providing the advertiser with the recommended advertising keywords in accordance with the analysis results.

Hereinafter, with reference to the accompanying drawings will be described in detail the advertising keyword recommendation method and system according to an embodiment of the present invention.

1 is a view showing an interworking relationship between an advertisement keyword recommendation system and an advertiser terminal according to the present invention.

Referring to FIG. 1, the advertiser terminal 110 is requested to access an advertisement keyword recommendation system 130 when an advertiser needs an advertisement keyword suitable for a site to be advertised. Then, the advertiser terminal 110 accesses the advertisement keyword recommendation system 130 through the communication network 120 in response to a request for access of the advertisement keyword recommendation system 130 from the advertiser.

The communication network 120 is a network transmitting data transmitted and received between the advertiser terminal 110 and the advertisement keyword recommendation system 130, and may be a wired communication network or a wireless communication network.

When the advertiser terminal 110 receives the UAL of the advertisement site to be advertised from the advertiser while the communication network 120 is connected to the advertisement keyword recommendation system 130, the advertiser keyword is inputted through the communication network 120. Send to recommendation system 130.

The Uniform Resource Locator (URL) is a standard for indicating the location of various types of information on the Internet. In general, a web browser is a tool that simultaneously supports various types of services existing on the Internet and simultaneously supports services such as HTTP, FTP, Usenet News, e-mail, gopher, and telnet. do. In order to obtain the necessary information from a number of servers that provide such various services, a system for indicating their location is required. The URL is to specify the location of the files in each of the servers providing a service on the web, and includes the type of service to be accessed, the location of the server (domain name, domain name), and the location of the file. The generic syntax consists of a computer name / directory name / filename with protocol: // information. The UL may be expressed as, for example, "http://www.ebook.com/Main/default.aspx".

The advertisement keyword recommendation system 130 receives the UAL of the advertisement site input to the advertiser from the advertiser terminal 110 connected through the communication network 120.

The advertisement keyword recommendation system 130 searches for an advertisement site corresponding to the received UAL and analyzes the keyword described in the web page of the searched advertisement site. That is, the advertisement keyword recommendation system 130 analyzes an important keyword in consideration of the total frequency of occurrence of a specific keyword in the entire document set of the web page of the searched advertisement site and the number of documents in which the specific keyword appears in the entire document set. .

The advertisement keyword recommendation system 130 extracts a key keyword or an advertisement keyword according to the analysis result. That is, the advertisement keyword recommendation system 130 extracts a core keyword or an advertisement keyword as an important keyword based on a term frequently used in a search according to the result of analyzing the keyword.

The advertisement keyword recommendation system 130 may search the advertisement site of the UAL to extract biz-keywords sold as advertisement keywords or exposed to keyword advertisement services. The advertisement keyword is sold to the advertiser at least once and is recorded in the database as a search keyword mainly used by a user who has been selected as a keyword or used by a user who has searched for the advertisement site. In addition, the advertisement keyword is a keyword selected from keywords registered in the morphological analysis of the keywords included in the text (text) in the web page of the advertising site, using the average value of the analyzed morphemes.

The advertisement keyword recommendation system 130 multiplies the total frequency (tf) in which a specific keyword appears in the entire document set and the inverse (idf) of the number (df) of the documents in which the specific keyword appears in the entire document set. Based on this, the importance of the keyword is determined. As the key keyword, as shown in Equation 1, the frequency in which a specific keyword appears in the entire document set, the number of documents in which the specific keyword appears in the entire document set, and a weight for each keyword are considered. In addition, the key keyword may be a keyword having a high number of views used as a search keyword among keywords extracted from the entire document in the web page of the advertisement site.

Key keyword = tf * idf + inter-word relevance

tf: term frequency, the total number of times a particular term appeared in the entire document set

df: document frequency, the number of documents in which a particular keyword appeared in the entire document set

idf: inverse document frequency, inverse of df

inter-word relevance: weight for the relevant keyword between each keyword

For example, the ad keyword recommendation system 130 determines that the keyword 'search' and the 'directory' in the text are highly related between the keyword 'search' and 'directory'. Can be weighted.

The advertisement keyword recommendation system 130 selects a core keyword and extracts an advertisement keyword from the selected core keywords. That is, the advertisement keyword recommendation system 130 analyzes the morphemes of the key keywords in the text and selects the keywords registered as the advertisement keywords.

The advertisement keyword recommendation system 130 analyzes the extracted advertisement keyword and provides the recommended advertisement keyword to the advertiser terminal 110 through the communication network 120 according to the analysis result. That is, the advertisement keyword recommendation system 130 selects the core keyword and the advertisement keyword according to the analysis result, obtains an average value of the selected core keyword and the advertisement keyword, and based on the obtained average value, the recommended advertisement keyword. And determine the recommended advertising keyword to the advertiser.

As such, the advertisement keyword recommendation system 130 according to the present invention receives the UAL of the advertisement site to be advertised by the advertiser, and analyzes the keyword of the advertisement site corresponding to the UAL to analyze the advertisement keyword suitable for the advertisement site. To make recommendations to these advertisers.

In addition, the advertisement keyword recommendation system 130 according to the present invention may extract and analyze keywords included in an advertisement site to be advertised by the advertiser and recommend suitable advertisement keywords to the advertiser according to the analysis result.

Therefore, the present invention has an advantage that an advertiser can more easily select an advertisement keyword that can effectively advertise the advertisement site by providing a recommended advertisement keyword based on a result of analyzing the keyword of the advertisement site.

2 is a diagram illustrating a configuration of an advertisement keyword recommendation system according to an embodiment of the present invention.

1 and 2, the advertisement keyword recommendation system 130 according to an embodiment of the present invention may include an input unit 210, an extractor 220, an analyzer 230, a provider 240, and a database ( 250).

The input unit 210 receives a UAL of an advertisement site to be advertised from the advertiser. The case where the advertisement site to be advertised by the advertiser is an Internet bookstore site, and the URL of the Internet bookstore site is "http://www.ebook.com/Main/default.aspx" will be described as an example.

When the advertiser wants to receive a suitable advertisement keyword from the advertisement keyword recommendation system 130 for advertising the e-book site, the advertiser of the Internet bookstore site through the input unit 210 of the advertisement keyword recommendation system 130 " Enter http://www.ebook.com/Main/default.aspx "directly. As such, as an embodiment of receiving the URL of the advertisement site, the advertisement keyword recommendation system 130 according to the present invention may directly receive the URL information of the advertisement site from the advertiser through the input unit 210.

In addition, the input unit 210 may receive and receive the UAL of the advertisement site input by the advertiser from the advertiser terminal 110 connected through the communication network 120. When the advertiser wants to receive an advertisement keyword suitable for advertising the Internet bookstore site through the advertiser terminal 110 from the advertisement keyword recommendation system 130, the advertiser uses the advertiser terminal 110 to advertise through the communication network 120. After accessing the keyword recommendation system 130 and inputting the URL of the advertisement site from the advertisement keyword recommendation system 130, the URL of the Internet bookstore site "http://www.ebook.com/Main/default." aspx "is entered through the advertiser terminal 110. Then, the advertiser terminal 110 transmits the URL information of the Internet bookstore site input by the advertiser to the advertisement keyword recommendation system 130 through the communication network 120. As such, as another embodiment of receiving the UAL of the advertisement site, the advertisement keyword recommendation system 130 according to the present invention may receive and receive the UEL information of the advertisement site transmitted from the advertiser terminal 110 through the communication network 120. have.

The extraction unit 220 searches for the web page of the input URL of the URL, and extracts the keyword. The keyword extraction result may include a keyword of an html page of the UAL advertisement site, a site title of the advertisement site, a description, a search keyword, and the like. That is, the extraction unit 220 searches for the web page of the input web site of the URL, analyzes the text in the searched web page, and refers to a database according to the analysis result of the text based on the keyword. Extract The database 250 may record and maintain keyword dictionary data for extracting the keyword.

For example, the extraction unit 220 searches the web page of the web site of the input URL of the input URL of the URL, and analyzes the text in the searched web page, 'domestic, foreign, books, best sellers, million sellers, writers, purchases'. , Payment, cash, cards, etc. can be extracted.

As another example, the extraction unit 220 searches the input URL of the input URL, and searches the advertisement site with reference to the advertisement keyword sales information recorded in the database 250. Biz keywords that are sold as advertisement keywords or exposed to keyword advertisement services may be extracted.

The analyzer 230 analyzes the extracted keyword. The analysis unit 230 analyzes the extracted keyword as a core keyword and an advertisement keyword.

The key keyword is a keyword in which the frequency of occurrence of a specific keyword in the document set of the entire web page of the UAL advertisement site, the number of documents in which the specific keyword appears in the entire document set, and the weight for each keyword are considered. In addition, the key keyword may be a keyword having a high number of views used as a search keyword among keywords extracted from the entire document in the web page of the advertisement site.

The analysis unit 230 selects the key keyword by analyzing the total frequency of the specific keyword appearing in the entire document set in the web page of the advertisement site and the number of documents in which the specific keyword appears in the entire document set. can do.

The analysis unit 230 analyzes the morphemes of the keywords included in the text in the web page of the advertisement site, and selects keywords from the registered keywords using the average value of the analyzed morphemes. In addition, the advertisement keyword may be sold to the advertiser at least once and may be recorded and maintained in the database 250 as a search keyword mainly used by a user who has previously been selected as a keyword or used by a user who has searched for the advertisement site. .

In addition, the analysis unit 230 assigns weights to keywords that are related to each keyword based on the analysis result. That is, the analysis unit 230 may assign a weighted keyword as a representative keyword based on the analyzed degree of relevance of the keyword.

For example, when the keyword 'search' and the 'directory' appear in the text of the web page of the advertisement site, the analyzer 230 determines that the keyword 'search' and the 'directory' have a high relevance. A search may be weighted to a representative keyword.

In addition, the analysis unit 230 may select keywords registered as the advertisement keywords by analyzing the morphemes of the keywords included in the text of the document collection of the entire web page of the UAL advertisement site.

The provider 240 provides the advertiser with the recommended advertisement keyword according to the analysis result of the extracted keyword. That is, the provider 240 selects the core keyword and the advertisement keyword according to the analysis result, and when the recommended advertisement keyword is determined based on the average value of the selected core keyword and the advertisement keyword, the determined recommended advertisement Provide a keyword to the advertiser.

The provider 240 may determine the keyword as the recommended advertisement keyword when the average value of the key keyword and the advertisement keyword is larger than a predetermined reference value. That is, if the recommended advertising keyword is provided to the advertiser more than a predetermined number of keywords, the advertiser 240 has a problem that the advertiser has to worry about which advertising keyword to choose rather to increase the effect of advertising in order to prevent this in advance Determine a predetermined number of recommended advertising keywords to be able to.

For example, when the reference value is '50', the providing unit 240 may determine the core keyword or the advertisement keyword as the recommended advertisement keyword when the average value of the core keyword or the advertisement keyword is '60'.

As described above, the advertisement keyword recommendation system 130 according to the present invention may select not only the selected core keywords and the advertisement keywords but select only keywords exceeding a predetermined threshold value as the recommended advertisement keywords.

Therefore, when the advertiser keyword recommendation system 130 according to the present invention inputs the URL of the advertisement site to be advertised, the advertiser analyzes the advertisement site of the input URL, extracts a keyword, and analyzes the extracted keyword An optimal advertisement keyword can be recommended to the advertiser.

Therefore, the present invention provides an advertiser with an optimal recommendation keyword according to the result of analyzing the keyword included in the advertisement site to be advertised, allowing the advertiser to more easily select an advertisement keyword that can effectively advertise the advertisement site. There is an advantage to that.

3 is a diagram illustrating a flow of a method for recommending an advertisement keyword according to another exemplary embodiment of the present invention.

1 and 3, in step S310, the advertisement keyword recommendation system 130 receives a universal resource locator (URL) of an advertisement site from an advertiser.

The case where the advertisement site to be advertised by the advertiser is an Internet bookstore site, and the URL of the Internet bookstore site is "http://www.ebook.com/Main/default.aspx" will be described as an example.

When the advertiser wants to receive a suitable advertisement keyword from the advertisement keyword recommendation system 130 to advertise the Internet bookstore site, the advertiser uses the advertisement keyword recommendation system 130 as a URL “http: // www. You can enter "ebook.com/Main/default.aspx" directly. For example, in step S310, the advertisement keyword recommendation system 130 may directly receive the URL information of the advertisement site from the advertiser, for example.

In another example, in step S310, the advertisement keyword recommendation system 130 may receive and receive the UAL of the advertisement site input by the advertiser from the advertiser terminal 110 connected through the communication network 120. When the advertiser wants to receive an advertisement keyword suitable for advertising the Internet bookstore site through the advertiser terminal 110 from the advertisement keyword recommendation system 130, the advertiser uses the advertiser terminal 110 to advertise through the communication network 120. After accessing the keyword recommendation system 130 and inputting the URL of the advertisement site from the advertisement keyword recommendation system 130, the URL of the Internet bookstore site "http://www.ebook.com/Main/default." aspx "is entered through the advertiser terminal 110. Then, the advertiser terminal 110 transmits the URL information of the Internet bookstore site input by the advertiser to the advertisement keyword recommendation system 130 through the communication network 120. Accordingly, in step S310, the advertisement keyword recommendation system 130 receives and receives the UEL information of the Internet bookstore site transmitted from the advertiser terminal 110 through the communication network 120.

In step S320, the advertisement keyword recommendation system 130 extracts the keyword by searching the advertisement site of the input URL. That is, in step S320, the advertisement keyword recommendation system 130 searches for the web page of the entered UAL advertisement site, analyzes text in the searched web page, and analyzes the text with reference to a database. Extract keywords based on the results.

For example, in step S320, the advertisement keyword recommendation system 130 searches for the input URL of the URL, and extracts the keyword of the html page of the URL of the URL of the URL of the advertisement, the site title of the advertisement, the description, the search keyword, and the like. Can be.

In another example, in step S320, the keyword keyword recommendation system 130 searches for a web page of an internet bookstore site by the input URL of the URL, and analyzes the text in the searched web page, such as' domestic, foreign, book, Books, best sellers, million sellers, writers, purchases, payments, cash, cards, and the like.

As another example, in step S320, the advertisement keyword recommendation system 130 searches the advertisement site of the input URL, and searches the advertisement site based on the result of searching the advertisement site by referring to the advertisement keyword sales information recorded in the database. The extracted keyword may be extracted as an advertisement keyword even once, or the beads keyword exposed to the keyword advertisement service may be extracted.

In operation S330, the advertisement keyword recommendation system 130 analyzes the extracted keyword. In operation S330, the advertisement keyword recommendation system 130 analyzes the extracted keyword as a core keyword and an advertisement keyword.

The key keyword is a keyword in which the frequency of occurrence of a specific keyword in the document set of the entire web page of the UAL advertisement site, the number of documents in which the specific keyword appears in the entire document set, and the weight for each keyword are considered. In addition, the key keyword may be a keyword having a high number of views used as a search keyword among keywords extracted from the entire document in the web page of the advertisement site.

The advertisement keyword is a keyword selected from a registered keyword by analyzing the morpheme of a keyword included in text in a web page of the advertisement site and using an average value of the analyzed morphemes. In addition, the advertisement keyword may be sold to the advertiser at least once and may be recorded and maintained in a database as a search keyword mainly used by a user who has previously been selected as a keyword or searched for the advertisement site.

In operation S330, the advertisement keyword recommendation system 130 may determine the total frequency of occurrence of the specific keyword in the entire document set in the web page of the advertisement site and the number of documents in which the specific keyword appears in the entire document set. The core keyword may be selected by analyzing the key keywords.

In operation S330, the advertisement keyword recommendation system 130 may further include analyzing the extracted keywords and assigning weights to keywords that are related to each keyword according to the result. In addition, in operation S330, the advertisement keyword recommendation system 130 may assign a weighted keyword as a representative keyword based on the analyzed keyword's relevance. For example, if the keyword 'search' and the keyword 'directory' appear in the text of the web page of the advertisement site, in step S330, the advertisement keyword recommendation system 130 is related to the keyword 'search' and 'directory'. It may be determined that the degree is high, and the weight of the representative keyword 'search' may be assigned.

In operation S330, the advertisement keyword recommendation system 130 may further include analyzing the morphemes of keywords in the text of the entire document in the web page of the advertisement site, and selecting the keyword registered as the advertisement keyword. have.

In operation S340, the advertisement keyword recommendation system 130 provides the advertiser with the recommended advertisement keyword according to the analysis result. The step of providing the recommended advertising keyword to the advertiser will be described in more detail with reference to FIG. 4.

FIG. 4 is a diagram illustrating an example in which the providing of the recommended advertising keyword of FIG. 3 is specified.

1 and 4, in step S410, the advertisement keyword recommendation system 130 selects the core keyword and the advertisement keyword according to the analysis result. That is, in step S430, the advertisement keyword recommendation system 130 determines the total frequency of occurrence of the specific keyword in the entire document set in the web page of the advertisement site and the document in which the specific keyword appears in the entire document set. The key keywords are selected according to the result of the analysis, and the keywords are selected by analyzing the morphemes of the keywords in the text of the entire document in the web page of the advertisement site.

In operation S420, the advertisement keyword recommendation system 130 obtains an average value of the selected core keyword and the advertisement keyword.

In operation S430, the advertisement keyword recommendation system 130 determines the recommended advertisement keyword based on the obtained average value. That is, in operation S430, when the average value of the core keyword and the advertisement keyword is greater than a predetermined reference value, the advertisement keyword recommendation system 130 may determine the keyword as the recommended advertisement keyword.

That is, in step S430, if the keyword recommendation system 130 is provided to the advertiser more than a predetermined number of the recommended ad keywords, the advertiser has a problem in choosing which advertise keywords to select rather, so in advance In order to prevent the number of recommended advertising keywords to determine the most effective advertising.

For example, when the reference value is '50', the ad keyword recommendation system 130 in step S430 selects the core keyword or the advertisement keyword when the average value of the key keyword or the advertisement keyword is '60'. Can be determined by keyword.

As described above, the method for recommending an advertisement keyword according to the present invention may select not only the selected core keyword and the advertisement keyword but select keywords that are equal to or larger than a predetermined reference value and determine the recommended advertisement keyword.

In operation S440, the advertisement keyword recommendation system 130 provides the determined recommended advertisement keyword to the advertiser.

For example, when the advertiser directly inputs the URL of the advertisement site through the input unit 210 as illustrated in FIG. 2, in step S440, the advertisement keyword recommendation system 130 may be provided through the provision unit 240. The determined recommended advertisement keyword may be directly provided to the advertiser.

As another example, when the UAL of the advertisement site input by the advertiser is input through the advertiser terminal 110 as illustrated in FIG. When the keyword is transmitted to the advertiser terminal 110 through the communication network 120, the advertiser terminal 110 receives the recommended advertisement keyword transmitted from the advertisement keyword recommendation system 130 through the communication network 120 and provides the keyword to the advertiser. can do.

As described above, the method for recommending an advertisement keyword according to the present invention may extract and analyze keywords included in an advertisement site to be advertised by the advertiser, and recommend an appropriate advertisement keyword to the advertiser according to the analysis result.

In addition, in the advertisement keyword recommendation method according to the present invention, when the advertiser inputs the URL of the advertisement site to be advertised, the keyword is extracted by analyzing the input advertisement site of the URL, and the optimum advertisement keyword is analyzed according to the extracted keyword. Can be selected and recommended to advertisers.

Therefore, the present invention has an advantage that an advertiser can easily select an advertisement keyword that can more effectively advertise the advertisement site by providing a recommended advertisement keyword based on a result of analyzing the keyword of the advertisement site.

Meanwhile, the method for recommending an advertisement keyword according to an embodiment of the present invention includes a computer readable medium including program instructions for performing various computer-implemented operations. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The medium or program instructions may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

According to the present invention, it is possible to provide a method and system for extracting and analyzing keywords included in an advertisement site to be advertised by an advertiser and recommending suitable advertisement keywords to the advertiser according to the analysis result.

In addition, according to the present invention, if the advertiser inputs the URL of the advertisement site to be advertised, the method of extracting the keywords by analyzing the input URL of the input URL and analyzing the extracted keywords to select the optimal advertising keywords to recommend to the advertiser And the system.

Claims (17)

In how to recommend an ad keyword, Receiving a Universal Resource Locator (URL) of an advertisement site from an advertiser; Extracting a keyword by searching the advertisement site of the input URL; Analyzing the extracted keywords as core keywords and advertisement keywords; And Providing the recommended keyword to the advertiser according to the analysis result Ad keyword recommendation method comprising a. The method of claim 1, The step of extracting the keyword by searching the input URL of the URL, Advertising keyword recommendation method characterized in that the search for the advertising site of the UAL and extracts a biz keyword (biz-keyword) that has been sold as the advertising keyword or exposed to a keyword advertising service at least once. delete The method of claim 1, Analyzing the extracted keywords as a core keyword and an ad keyword, Selecting the core keyword by analyzing the total frequency of the extracted keywords in the entire document set in the web page of the advertisement site and the number of documents in which the extracted keywords appear in the entire document set. How to recommend ad keywords. The method of claim 4, wherein Analyzing the extracted keywords as a core keyword and an ad keyword, Analyzing the extracted keywords and assigning weights to relevant keywords among the keywords according to the results. The method of claim 5, Weighting keywords related to each of the keywords may include: Ad keyword recommendation method characterized in that the weighted keyword as a representative keyword based on the analyzed degree of relevance of the keyword. The method of claim 6, Analyzing the morphemes of the keywords in the text of the entire document in the web page of the advertisement site and selecting the keywords registered as the advertisement keywords according to the results. The method of claim 7, wherein Providing the recommended advertising keyword to the advertiser according to the analysis result, Selecting the core keyword and the advertisement keyword according to the analysis result; Obtaining an average value of the selected core keyword and the advertisement keyword; Determining the recommended advertising keyword based on the average value; And And providing the determined recommended advertising keyword to the advertiser. A computer-readable recording medium for recording a program for executing the method of any one of claims 1, 2 and 4 to 8 on a computer. An input unit for receiving a UAL of an advertisement site to be advertised from an advertiser; An extraction unit for searching a web page of the input URL of the input URL and extracting a keyword; An analysis unit which analyzes the extracted keyword as a core keyword and an advertisement keyword; And Providing unit for providing the recommended keyword to the advertiser according to the analysis result Ad keyword recommendation system comprising a. The method of claim 10, The extraction unit, Advertising keyword recommendation system, characterized in that to search the advertising site of the UAL and extracts the biz keyword sold as the advertising keyword or exposed to a keyword advertising service at least once. delete The method of claim 10, The analysis unit, Analyzing the total number of occurrences of the extracted keyword in the document set of the entire web page of the UAL advertisement site and the number of documents in which the extracted keyword appears in the document set of the whole web page of the UAL advertisement site. Ad keyword recommendation system, characterized in that for selecting the key keywords. The method of claim 10, The analysis unit, Advertising keyword recommendation system, characterized in that the weighted to the keywords associated with each keyword based on the result of analyzing the extracted keywords. The method of claim 14, The analysis unit, Ad keyword recommending system, characterized in that the weighted keyword as a representative keyword based on the analyzed degree of relevance of the keyword. The method of claim 15, The analysis unit, And a keyword registered as the advertisement keyword by analyzing the morphemes of the keywords included in the text of the document set of the entire web page of the UAL advertisement site. The method of claim 16, The providing unit, Selecting the core keyword and the advertisement keyword according to the analysis result, and if the recommended advertisement keyword is determined based on the average value of the selected core keyword and the advertisement keyword, providing the determined recommended advertisement keyword to the advertiser. Ad keyword recommendation system characterized by.

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