KR20090003853A - System and method for automatically detecting information in real-time using rule - Google Patents

System and method for automatically detecting information in real-time using rule Download PDF

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Publication number
KR20090003853A
KR20090003853A KR1020070067574A KR20070067574A KR20090003853A KR 20090003853 A KR20090003853 A KR 20090003853A KR 1020070067574 A KR1020070067574 A KR 1020070067574A KR 20070067574 A KR20070067574 A KR 20070067574A KR 20090003853 A KR20090003853 A KR 20090003853A
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South Korea
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information
rule
wired
wireless internet
search
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KR1020070067574A
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Korean (ko)
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KR100888329B1 (en
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김아란
정원석
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에스케이 텔레콤주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/235—Update request formulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/951—Indexing; Web crawling techniques

Abstract

The present invention relates to a real-time automatic information extraction system and method using a rule. Real-time automatic information extraction system using a rule of the present invention, the URL database that stores the URL of a plurality of wired and wireless Internet site; A rule information database in which rule information for extracting only information on a specific data item from a wired / wireless internet page including a template and data is stored for each wired / wireless internet site; A search term receiver configured to receive a search term from a pre-established information search site; A search word input unit for inputting the received search word into each wired or wireless Internet site according to the URL of the URL database; A page receiving unit receiving a search result page for the corresponding search word from each of the wired and wireless Internet sites; Applying rule information about each wired / wireless internet site stored in the rule information database to a search result page transmitted from the wired / wireless internet site, and extracting information about each data item to be provided as a search result from each search result page. A page analyzer; And an information providing unit which provides the information extracted by the page analysis unit to a user through the information automatic search site.

Description

System and method for automatically detecting information in real-time using rule}

The present invention relates to a system and method for automatically extracting real-time information using rules. More specifically, when a specific keyword is input through a real-time page analysis method rather than database sharing, the keyword-related information is extracted and collected from various wired and wireless Internet sites. To provide a system and method.

With the construction of an online virtual market called an online shopping mall, Internet users can purchase products through the Internet without visiting a dealership that sells a specific product or goods to purchase. With the emergence of such online shopping malls, time and money can be saved due to the form of direct purchase such as direct visits or reservation purchases of users. Due to the advantages of such an online shopping mall, many users use the online shopping mall, and various online shopping malls have appeared.

On the other hand, since the selling price in the online shopping mall shows various price differences for each online shopping mall company by item, the buyer had to search for each shopping mall, compare the product prices of each shopping mall, and then purchase the corresponding product.

As a result, buyers have a desire to purchase a product in an online shopping mall that offers the lowest price, and as a means to accomplish some of these purposes, the price of the same product sold in each shopping mall can be compared. A professional site is in operation, and the buyer checks the lowest priced mall through this price comparison site and purchases the corresponding item.

However, since general price comparison sites provide product price information through an alliance with existing wired and wireless Internet sites, users cannot know additional information of products provided by unaffiliated sites. There was a problem that can only be confirmed.

In addition, the existing price comparison site, the price information of the products that are posted on the auction site that the price fluctuate in real time, the user can not check the current price of the auction product because of this.

The present invention is to solve the above-mentioned disadvantages and problems of the prior art, it is an object of the present invention to extract and collect information desired by the user from various wired and wireless Internet sites.

In particular, it is an object of the present invention to collect and provide information of each site through a method of directly analyzing a wired or wireless Internet page, rather than using a database or a content cooperation method.

In addition, an object of the present invention is to generate rule information for extracting information when analyzing a wired or wireless Internet page, and to automatically set new rule information when information is not extracted from a wired or wireless Internet site.

The present invention for achieving the above object is a URL database that stores the URL of a plurality of wired and wireless Internet site; A rule information database in which rule information for extracting only information on a specific data item from a wired / wireless internet page including a template and data is stored for each wired / wireless internet site; A search term receiver configured to receive a search term from a pre-established information search site; A search word input unit for inputting the received search word into each wired or wireless Internet site according to the URL of the URL database; A page receiving unit receiving a search result page for the corresponding search word from each of the wired and wireless Internet sites; Applying rule information about each wired / wireless internet site stored in the rule information database to a search result page transmitted from the wired / wireless internet site, and extracting information about each data item to be provided as a search result from each search result page. A page analyzer; It provides a real-time automatic information extraction system using a rule comprising a; information providing unit for providing the information extracted by the page analysis unit to the user through the automatic information search site.

The present invention includes a rule information database in which rule information for extracting only information on a specific data item from a wired / wireless internet page including a template and data is stored for each wired / wireless internet site, thereby providing rule information of a database. A method for extracting real-time information automatically by automatically collecting and providing information on a plurality of wired and wireless Internet sites based on a user input search term. A) When a search word is received from an already constructed information search site, Inputting to a wired or wireless Internet site; B) receiving a search result page for the corresponding search word from each wired or wireless Internet site; C) Applying rule information for each wired / wireless internet site stored in the rule information database to a search result page transmitted from the wired / wireless internet site, the information on each data item to be provided as a search result from each search result page And extracting and providing the extracted information to a user through the automatic information search site.

The present invention includes a rule information database in which rule information for extracting only information on a specific data item from a wired / wireless internet page is stored for each wired / wireless internet site. As a result of applying a rule of a rule information database, a search result is provided. As a rule automatic calibration method for automatically correcting rule information of the rule information database when information on a data item to be provided is not extracted, information on a specific data item to be provided as a search result from the wired or wireless Internet site is normally A first step of determining whether or not an error occurs in the rule information on the wired / wireless internet site by determining whether the information is extracted, and outputting the result; A second step of inputting an arbitrary query word to the wired / wireless internet site where an error occurs in the rule information, and receiving a result page for inputting the query word; A third step of analyzing the result page and classifying it into a template area and a data area; And a fourth step of acquiring data including information on the corresponding data item from which the normal information is not extracted from the classified data area, and modifying and updating the rule based on the corresponding data. Provide a calibration method.

According to the present invention, by extracting and collecting information desired by a user from various wired and wireless Internet sites, the user can see information corresponding to current keywords in various wired and wireless Internet sites at a glance.

In particular, the present invention collects and provides information on each site through a method of directly analyzing wired and wireless Internet pages, and thus, information included in sites not affiliated with content can be viewed.

In addition, the present invention generates rule information for extracting information when analyzing a wired / wireless internet page, and automatically sets new rule information when information is not extracted from a wired / wireless internet site, so that an administrator does not need to directly set rule information. It has the advantage of being.

Details of the above object and technical configuration of the present invention and the resulting effects thereof will be more clearly understood from the following detailed description based on the accompanying drawings.

1 is a block diagram of a real-time automatic information extraction system using a rule according to an embodiment of the present invention, the real-time automatic information extraction system, the price in a wired and wireless terminal 100 and a plurality of wired and wireless Internet sites for connecting to the wired and wireless Internet Information automatic extraction server 200 for extracting information or product information such as product reviews for the corresponding product, and the like, in order to provide information extracted from the information automatic extraction server 200 to the wired / wireless terminal 100, information automatic It is desirable to have a search site.

2 is a configuration diagram of the automatic information extraction server according to an embodiment of the present invention, Figure 3 is a configuration diagram of the rule extraction module 210 of FIG.

As shown in FIG. 2, the automatic information extraction server 200 of the present invention is a server that automatically collects and provides information on a plurality of wired and wireless Internet sites for a user input search word. The search word reception unit 201 and a search word input unit are provided. 202, a page receiving unit 203, a page analyzing unit 204, an information providing unit 205, and a rule extracting module 210. The database DB includes URLs of a plurality of wired and wireless Internet sites. A URL database 206 is stored, a search term database 207 for grouping and storing a plurality of search terms classified as synonyms, and rule information for extracting only information on a specific data item from a wired and wireless Internet page composed of a template and data. A rule information database 208 stored for each wired or wireless Internet site may be provided.

When the user of the wired / wireless terminal 100 inputs a word (search word) of an object to be searched through the automatic information search site, the search term receiving unit 201 receives a search word transmitted from the automatic information search site, and the search term input unit ( 202).

The search term inputter 202 inputs a search term received by the search term receiver 201 to each wired or wireless Internet site corresponding to a URL stored in the URL database 206 to extract information about a specific object. In order to extract the information of the object to be searched more widely, it is preferable to input words stored in the search word database 207, that is, words that are synonymous with the search word.

The page receiving unit 203 receives a search result page for a corresponding search word from each of the wired and wireless Internet sites. In general, a wired page includes a large number of pages written in HTML, but is not limited thereto, such as SGML, XML, and XHTML. It may also be a wired internet language.

The page analyzer 204 applies the rule information for each wired or wireless Internet site stored in the rule information database 207 to a search result page transmitted from the wired or wireless Internet site, and retrieves the search result page from each search result page. Extract information about each data item to provide.

The information providing unit 205 provides the information extracted by the page analysis unit 204 to the user through the information automatic search site.

The rule extracting module 210 inputs an arbitrary query word into each wired / wireless internet site of the URL database 206, analyzes the result page, and divides the page into a template area and a data area. When an information area for a specific data item to be provided to the user is selected, a rule is automatically generated so that only information on the data item is extracted.

As illustrated in FIG. 3, the rule extraction module 210 receives a query page input unit 211 for inputting an arbitrary query to each wired / wireless internet site of the URL database, and a result page for inputting a query in each wired / wireless internet site. The data receiving unit 212 to be transmitted to the data classifying unit 213, and the result of classification by the data classifying unit 213 and the data classifying unit 213 for analyzing each result page to be classified into a template area and a data area. According to the display unit 214 for distinguishing and displaying the template area and the data area, a rule for extracting only information on the data item from the blocked area in the displayed area is blocked by the operator. A rule generation unit 21 for mapping the generated rule to a corresponding wired / wireless internet site and storing the generated rule in the rule information database. 5) and the like.

In addition, the rule extraction module 210 automatically generates a rule for extracting only the information about the data item when the information area for the specific data item to be provided to the user is stored in the rule information database 208. In addition, if the information on the data item to be provided as a search result is not extracted as a result of applying the rule of the rule information database 208, the rule information of the rule information database is automatically corrected. same.

The error determiner 216 of FIG. 3 receives the information extraction result of the page analyzer 204 and determines whether information on a specific data item that should be provided as a search result from the wired or wireless Internet site is normally extracted. Determine whether there is an error in the rule information for the wired or wireless Internet site, and output the result.

In other words, the error determining unit 216 learns the attribute of the information about each data item, and when the attribute of the information about the specific data item is different from the pre-learned attribute in the information extraction result of the page analyzer, the rule information It is determined that there is an error.

For example, if there is an item in the data area that has an information property of 'price', and the information on the data item is not normally output due to a change in the wired / wireless internet site, the error determination unit 216 may determine the wired / wireless. It is determined that there is an error in the rule information for the Internet site.

Then, the query input unit 211 of FIG. 3 inputs an arbitrary query word to the wired / wireless internet site where an error occurs in the rule information, and the data receiving unit 212 receives a result page for the query input from the wired / wireless internet site. The data classification unit 213 transfers the data.

The data classifying unit 213 regards a portion that is commonly repeated in the received result page as a template region, sets other regions as data regions, and classifies them.

The rule generation unit 215 of FIG. 3 evaluates whether the data item stored in the rule information database 208 among the classified data areas is a correct data item, and if it is wrong data, the rule information database 208 previously determines. Deletes the created rule information and creates and updates a new rule.

Next, the service process of the present invention will be described with reference to FIGS. 4 to 6.

First, FIG. 4 is a flowchart of a method for extracting real-time automatic information using a rule according to an embodiment of the present invention. Rule information for extracting only information on a specific data item from a wired or wireless Internet page consisting of a template and data is shown in FIG. Has a rule information database 208 stored for each of the wired and wireless Internet sites, and automatically collects and provides information of a plurality of wired and wireless Internet sites for a user input search word based on the rule information of the database. It is about a method.

When the user inputs a search term of a target to be searched by the information search site (S101), the search word is transmitted to the automatic information extraction server 200 (S102).

When the automatic search server 200 receives a search word from a pre-established information search site, the information is input to the plurality of wired and wireless Internet sites (S103). In this case, in addition to a search word (for example, a notebook) input by a user, a synonym such as a computer or a PC may be input, and the synonyms are stored in the search word database 207.

On the other hand, when receiving a search result page for the corresponding search word from each wired or wireless Internet site (S104), the rule result information for each wired and wireless Internet site stored in the rule information database 208 is transmitted from the wired and wireless Internet site Is applied to extract information about each data item to be provided as a search result from each search result page (S105).

For example, when a search word input from the corresponding information search site is a notebook and the wired / wireless Internet site is a shopping mall site, the page analysis unit 204 in the automatic information extraction server 200 stores the information in the rule information database 208. Using such rule information, information such as price information, buyer review, and delivery method can be extracted from the data area.

Then, the extracted information is provided to the user in real time through the automatic information search site (S106).

5 is a flowchart of a method for automatically generating a rule according to an embodiment of the present invention. When a URL of a new site is registered in the URL database 206, the query input unit 211 in the rule extraction module 210 may search for a search word. A specific word is selected from among the words stored in the database 207 to be selected as a query word, and an arbitrary query word is input to a site of the corresponding URL (S201).

The data receiving unit 212 receives a result page for the query input received from the wired or wireless Internet site, and transmits the result page to the data classifying unit 213 (S202).

In addition, the data classifying unit 213 classifies portions common in the received result page as template regions and other portions as data regions (S203), and the display unit 214 capable of a user interface is provided. The classified template and the data area are separately displayed through the display (S204).

On the other hand, if some or all of the displayed data portion is blocked (S205), the rule generator 215, for the region blocked by the operator of the displayed data region, the data item in the blocked region A rule is generated to extract only information about the generated information (S206), and the generated rule is mapped to the wired / wireless Internet site and stored in the rule information database (S207).

6 is a flowchart of a method for automatically correcting a rule according to an embodiment of the present invention. When product information cannot be extracted from rule information stored in the rule information database 208, the rule information database 208 according to the present process is performed. ) Can automatically generate new rule information and save it.

First, when a search term is input from the automatic information search wired / wireless internet site or a predetermined period, and a query word is input to a specific wired / wireless internet site, product information such as price information is no longer extracted (S301). In operation 302, it is determined whether information on a specific data item to be provided as a search result is normally extracted from the wired / wireless internet site, and whether or not an error of rule information for the wired / wireless internet site is determined (S302).

In addition, an arbitrary query is input to the wired / wireless Internet site where an error occurs in the rule information, and after receiving a result page for the query input, the result page is analyzed and classified into a template area and a data area (S303). .

Obtaining data including information on a corresponding data item from which the normal information is not extracted from the classified data area, and modifying a rule based on the corresponding data (S304), the rule information previously generated in the rule information database Delete and update the new rule by storing (S305).

On the other hand, if it is determined by the error determining unit 221 that there is no error, the user is notified that the product does not correspond to the input query in the wired and wireless Internet site (S306).

As those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features, the embodiments described above are illustrative in all respects as illustrative and not restrictive. It is desirable to. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

The above-described real-time automatic information extraction system and method of the present invention can be applied to a shopping mall product integrated management service that integrates and manages product information registered on a shopping mall site, and provides integrated management / providing information registered on a plurality of Internet sites. It can be applied to a server system, and in particular can be usefully used to provide product information of various shopping malls in a consistent form in one site.

1 is a block diagram of a real-time automatic information extraction system using a rule according to an embodiment of the present invention,

2 is a block diagram of an automatic information extraction server according to an embodiment of the present invention;

3 is a block diagram of the rule extraction module of FIG.

4 is an operation flowchart of a real-time automatic information extraction method using a rule according to an embodiment of the present invention;

5 is an operation flowchart of a rule automatic generation method according to an embodiment of the present invention;

6 is a flowchart illustrating an automatic rule correcting method according to an embodiment of the present invention.

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

100: wired / wireless terminal 200: automatic information extraction server

201: search term receiver 202: search term inputter

203: page receiving unit 204: page analyzing unit

205: Information provider 206: URL database

207: Query Database 208: Rule Information Database

210: rule extraction module 211: query input unit

212: data receiving unit 213: data classification unit

214: display unit 215: rule generation unit

216: error determination unit

Claims (11)

A real-time automatic information extraction system that automatically collects and provides information of a plurality of wired and wireless Internet sites for user input search terms. A URL database storing URLs of a plurality of wired and wireless Internet sites; A rule information database in which rule information for extracting only information on a specific data item from a wired / wireless internet page including a template and data is stored for each wired / wireless internet site; A search term receiver configured to receive a search term from a pre-established information search site; A search word input unit for inputting the received search word into each wired or wireless Internet site according to the URL of the URL database; A page receiving unit receiving a search result page for the corresponding search word from each of the wired and wireless Internet sites; Applying rule information about each wired / wireless internet site stored in the rule information database to a search result page transmitted from the wired / wireless internet site, and extracting information about each data item to be provided as a search result from each search result page. A page analyzer; An information provider for providing the information extracted by the page analyzer to a user through the automatic information search site; Real time automatic information extraction system using a rule comprising a. The method of claim 1, The real time automatic information extraction system, It further includes a search query database that groups and stores a plurality of search terms. The search word input unit is a real-time automatic information extraction system using a rule, characterized in that for inputting the plurality of search words grouped with the received search word using the search word database to the wired and wireless Internet site. The method of claim 1, The real time automatic information extraction system, Input an arbitrary query to each wired / wireless internet site of the URL database, analyze the result page into a template area and a data area, and an information area for a specific data item to be provided to a user by an operator among the divided data areas. A rule extraction module for automatically generating a rule for extracting only information on a corresponding data item when the selection is made; Real-time automatic information extraction system using a rule characterized in that it further comprises. The method of claim 3, wherein The rule extraction module, A query input unit which inputs an arbitrary query to each wired or wireless Internet site of the URL database; A data receiver which receives a result page for inputting a query from each wired or wireless Internet site and transmits the result page to a data classifier; A data classifying unit configured to classify the result pages to be classified into a template region and a data region; A display unit for classifying and displaying a template area and a data area according to a classification result of the data classification unit; For the area blocked by the operator among the displayed data areas, a rule is generated so that only information on the data item is extracted from the blocked area, and the generated rule is mapped with the wired / wireless Internet site to make the rule. A rule generator for storing in the information database; Real-time automatic information extraction system using a rule, characterized in that consisting of. The method of claim 3, wherein The rule extraction module, And when information on a data item to be provided as a search result is not extracted as a result of applying the rule of the rule information database, automatically correcting rule information of the rule information database. The method of claim 5, The rule extraction module, Receives the information extraction result of the page analysis unit, determines whether information on a specific data item that should be provided as a search result from the wired / wireless internet site is normally extracted to determine whether there is an error in the rule information on the wired / wireless internet site. An error determination unit outputting the result; A query input unit which inputs an arbitrary query to the wired / wireless Internet site where an error occurs in rule information; A data receiver which receives a result page for the query input from the wired / wireless Internet site and transmits the result page to the data classifier; A data classification unit for analyzing the delivered result page and classifying the result page into a template area and a data area; A rule generation unit for acquiring data including information on a corresponding data item from which normal information is not extracted from the classified data area, and modifying and updating a rule based on the corresponding data; Real-time automatic information extraction system using a rule, characterized in that consisting of. The method of claim 6, The error determining unit, Learning the attributes of the information on each data item, and if the attributes of the information on the specific data item are different from the previously learned attributes in the information extraction result of the page analyzer, it is determined that there is an error in the rule information. Real-time automatic information extraction system using the rule. A rule information database for extracting only information on a specific data item from a wired / wireless internet page including a template and data is provided for each of the wired / wireless internet sites, and the user input is based on rule information of the database. It is a real-time automatic information extraction method that automatically collects and provides information of a plurality of wired and wireless Internet sites for search terms. A) when a search word is received from a pre-established information search site, inputting the search word to a plurality of wired and wireless Internet sites; B) receiving a search result page for the corresponding search word from each wired or wireless Internet site; C) Applying rule information for each wired / wireless internet site stored in the rule information database to a search result page transmitted from the wired / wireless internet site, the information on each data item to be provided as a search result from each search result page Extracting and providing the extracted information to a user through the automatic information search site; Real-time automatic information extraction method using a rule comprising a. The method of claim 8, Before step A), If a query is input to each of the wired and wireless Internet sites, the resulting page is analyzed to distinguish a template area from a data area, and an information area about a specific data item to be provided to a user by an operator is selected. And a rule extracting step of automatically generating a rule for extracting only information on a corresponding data item. The method of claim 9, The rule extraction step, A step of receiving a result page for inputting a query by inputting an arbitrary query to each wired or wireless Internet site; Analyzing each result page and classifying the result page into a template area and a data area; Displaying the template area and the data area according to a classification result of the data classifying unit; For a region blocked by an operator among the displayed data regions, a rule is generated such that only information on data items is extracted from the blocked region, and the generated rule is mapped to a corresponding wired / wireless internet site to generate the rule information database. 4 steps for storing in the; Real-time automatic information extraction method using a rule, characterized in that consisting of. A rule information database for extracting only information on a specific data item from a wired / wireless internet page is provided for each of the wired / wireless internet sites, and the data to be provided as a result of applying the rule of the rule information database is provided. A rule automatic calibration method for automatically correcting rule information of the rule information database when information on an item is not extracted. Determining whether information on a specific data item to be provided as a search result is normally extracted from the wired / wireless internet site, determining whether there is an error in rule information on the wired / wireless internet site, and outputting the result; A second step of inputting an arbitrary query word to the wired / wireless internet site where an error occurs in the rule information, and receiving a result page for inputting the query word; A third step of analyzing the result page and classifying it into a template area and a data area; A fourth step of acquiring data including information on a corresponding data item from which normal information is not extracted from the classified data area, and modifying and updating a rule based on the data; Rule automatic correction method, characterized in that consisting of.
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KR20000072817A (en) * 2000-09-29 2000-12-05 김상진 Method and apparatus for aggregation and re-organization of information distributed arbitrarily thought internet according to user`s needs
KR20030004653A (en) * 2001-07-06 2003-01-15 (주)아이퀵 Information support system and the method using real-time web search
KR20040017008A (en) * 2002-08-20 2004-02-26 주식회사 케이랩 System and method for offering information using a search engine

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