KR20110043215A - System of recommendation with comparison price for products and method thereof - Google Patents

Abstract

PURPOSE: A product price comparison/recommendation system and an operating method thereof are provided to more efficiently supply the user-centered Internet information by providing a keyword and a link value matched with or related to a keyword input among web activities. CONSTITUTION: A domain brand matching unit(620) displays the searched domain among the Internet domains, and the domain brand matching unit displays the shopping mall domains matched in category classification. A web structure analyzer(630) analyzes the source of a webpage, and a product price extractor extracts the product and price information from the analyzed source. A product price verifier(650) verifies the price of the extracted product.

Description

Product price comparison recommendation system and its operation method {SYSTEM OF RECOMMENDATION WITH COMPARISON PRICE FOR PRODUCTS AND METHOD THEREOF}

The present invention searches, stores, and displays Internet domain information, product information, related product information, price information, etc. that match or are related to a keyword search word input during a user's web activity. It relates to a commodity price comparison recommendation system and its operation method.

In general, an Internet search service system provides a web site including a search word, an article including a search word, an image having a file name including a search word, and the like as a search result corresponding to a search word when a user inputs a search word.

In such a search service system, a search word input from a user may exist in various ways. In fact, the ratio of the top search word to the total search request according to the number of times input from a plurality of users may be high, but this may exclude some commerciality. Means a general search.

In addition, the web pages that are actually provided to users by the Internet portal site based on the search results are preferred to the web pages and information of the customers who paid a lot of money to the company managing the portal site as well as the site accessed by a large number of users. To be displayed.

In other words, the result of the search information is operated to some extent according to the setting method of the Internet company that manages it.

Of course, such a method has an advantage of immediately informing the user of a favorable site according to the corresponding search word.

A general internet search engine server performing the conventional technology outputs a list of web pages corresponding to the search word when the search user inputs a predetermined search word. Such a search engine server (site) is, for example, Naver (www.naver.com), Google (www.google.com), Excite (www.excite.com), Lycos (www.lycos.com), Weiss Nut ( www.wisenut.com).

When a user connects to a search engine server as described above, for example, requests a search by inputting a digital camera as a search word, the search engine server includes a short description of an Internet address list and information of a web site related to the digital camera. Display.

The user then moves to the website by clicking on the address of the website that is of interest to him from the list of Internet addresses of the website displayed in the list.

For example, a search engine service provider receives a predetermined price for a search term of a digital camera from a specific digital camera seller or a manufacturer of a digital camera, and then the search user enters the search result when the search user inputs the search term digital camera. The search list including the homepage address and information of the company is preferentially displayed on the Internet address list screen displayed.

That is, the search user queries (inputs) a search term to the server of the search service provider using a computer connected to a server of the search service provider via a wired or wireless network, and the server of the search service provider corresponds to the query term. The contents of the search results are provided by editing the search results such as the website address, blog address, cafe address, and expertise link address.

At this time. The search result content includes an advertisement content called a search advertisement and is presented.

The advertisement content may be advertisement content of an advertiser registered in a server of the search service provider. For example, the advertisement content may be content of an advertiser registered in a server of a search advertisement agency such as Overture or Google AdSense.

In this example, the advertisement of the sponsored link portion of the advertisement contents of www.naver, com is the advertisement content of a specific advertiser provided by the advertisement agency server called Overture, and the advertisement of the power link portion is operated by www.naver.com. Advertisement content of advertisers registered on the server.

Hereinafter, an internet search according to an example of the prior art will be described with reference to the accompanying drawings.

1 is a schematic functional block diagram illustrating the Internet search as an example of the prior art.

1 illustrates a process of a user searching on the Internet through the PC 10, where the PC 10 is a personal computer including a monitor.

First, when a user inputs a word to search through the PC 10, the information to be searched is searched through the database 21 in the search processing unit 22 of the search engine 20 and communicated through the communication module 23. It is displayed on the monitor of the PC 10.

In the illustrated example, the PC 10 is configured to communicate with various protocols, such as Lightweight Directory Access Protocol (LDAP), Transport Control Protocol / Internet Protocol (TCP / IP), Hypertext Transport Protocol (HTTP), and Wireless Application Protocol (WAP). Is connected to the Internet, which represents a global collection of networks and gateways.

In addition, the data processing system using the PC 10 is connected to a plurality of different types of networks such as an intranet, a local area network (LAN), or a wide area network (WAN).

The web server 30 receives an HTTP request from a web browser client, mounts a computer program corresponding to HTTP according to data contents commonly found in a web page such as an HTML document, and executes a computer program providing the corresponding function. It is a computer.

The web server 30 may be a server operated by a public office, a company, or a shopping mall. The search engine 20 may be provided by an Internet portal site such as Yahoo, Naver, or Empas.

Referring to FIG. 2 through FIG. 7, a search result using the Internet search according to the related art is illustrated in FIG. 2, for example, in a Yahoo! Internet portal site where a user is interested in a product called “EOS-450D”. As described above, after entering the product phrase "EOS-450D" into the search box and clicking the "shopping" item with the mouse (see the arrow) as shown in Figure 3, the EOS-450D as shown in Figure 4 Various search results for the product are displayed.

Among them, as shown in FIG. 4, when the item “Price Comparison” is clicked on the top of the “Price of Popular Products” item, the shopping mall information and the price information are displayed as shown in FIG. 5.

Meanwhile, FIG. 6 illustrates a state in which the user is interested in a product named "EOS-450D" and clicks the "search" item through a mouse (see an arrow) after inputting the relevant phrase into a search box. As shown in Fig. 7, "Sponsored Links", "Biz Links", "Blogs", etc., are displayed instead of the price comparison.

There is a problem in the Internet search according to the prior art as follows.

First, most users couldn't find the right information at once even if they searched on a web page. In other words, when searching for a desired product on a web page, there is a problem that at least four steps of input and mouse click are required, as shown in FIGS. 2 to 5, from input to display of appropriate product and price information.

Second, on the current web page, if a user inputs a search as shown in FIG. 6 and then clicks a search, a related company is displayed instead of the price information as shown in FIG.

In order to solve the problems of the prior art as described above, the present invention provides a keyword and a link value matched or associated with a keyboard input during a user's web activity, and a product price comparison for providing information on the Internet more efficiently and user-centered. Its purpose is to provide a recommendation system and its operation.

In order to achieve the above object, the present invention provides a plurality of user terminals capable of using a wired or wireless Internet, an Internet providing a wired or wireless Internet service to the user terminal, and a web page in response to an HTTP request from a web browser client. In the Internet search system including a web server for mounting and executing a computer program corresponding to HTTP in accordance with the data content of the HTML document and a search engine for searching for a word or domain input from the plurality of user terminals, The communication unit performs communication with a product price database that matches and stores products, price information, and brands existing in domains of Internet shopping mall servers and Internet web pages, and displays domains searched among Internet domains, and sells services and goods as products. Of the mall domain A domain brand matching unit displaying domains matched by category classification, a web parsing unit analyzing a web page source, and a product price extracting unit extracting product and price information from a source analyzed by the web parsing unit A shopping mall commodity price extracting unit for extracting commodity prices of domains selling goods of services and goods, and a commodity price verification unit verifying commodity prices extracted from the commodity price extracting unit or shopping mall commodity price extracting unit; Commodity price input unit for inputting the price, communication unit, domain brand matching unit, web parsing unit, product price extraction unit, shopping mall product price extraction unit, product price verification unit and product price input unit by controlling the product price of the web source or shopping mall Store the information in the commodity price database through the communication unit, and retrieve the commodity information of services and goods from the user terminal In this case, the commodity price information stored in the commodity price database is provided to the user terminal in a toolbar-type display area, and the brand or shopping mall domain of the advertiser or sponsor is provided in a display area other than the toolbar-type display area. And a price comparison recommendation server, wherein the product and price comparison recommendation server is connected to the Internet and connected to a product price database.

Preferably, the toolbar-type display area includes a recommendation domain area displaying a list of related domains, a price comparison area displaying all prices of the same product searched from multiple domains, and an associated product area displaying a list of products associated with the search product. It consists of any one or more of the.

Since the controller sells the product input by the user among a plurality of Internet domains, the controller searches for a matching shopping mall domain, creates a list, and searches and displays price information of each shopping mall domain.

Meanwhile, the controller may display a web source matching the product and price information of the shopping mall domain on at least one selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program, or display it as a pop-up. It consists of the configuration shown by the tab.

Herein, the control unit displays or pops up a web source matching the shopping mall domain of the additional product associated with the product in at least one selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program. It consists of a display or a tab display.

In order to achieve the above object, the present invention displays a corresponding recommended domain searched among a plurality of Internet domains, and matches a product category classification including services and goods from a plurality of shopping mall domains selling products including services and goods. Display and link the displayed shopping mall domain by the domain brand matching unit, and if the web parser analyzes the web page, the product price extracting unit extracts the corresponding product and price if there is a product, and the extracted product and price information is the product price Storing in a database, searching for a commercial word or a non-commercial word by a domain brand matching unit, guiding a searched recommendation site in the case of a non-commercial word, and displaying and guiding a related shopping mall domain in the case of a commercial word; The price of a product in a shopping mall domain Extracting the product price, verifying the extracted product price through a product price verification unit, and storing the extracted product price in a product price database, and retrieving the product price information from the product price database by the product price extracting unit and providing the same to a user terminal. It suggests how to operate the commodity price comparison recommendation system.

Meanwhile, the commodity price database receives commodity price information directly through the commodity price input unit of the commodity and price comparison recommendation server and records the commodity price information in the allocated area.

The providing may include a shopping mall product page area providing a searched corresponding product page of the searched shopping mall site, a price comparison list area displaying price information on the same product sold in a plurality of shopping mall sites selling the searched product; Preferably, the user terminal displays the related product list area on which the related product list for the searched product is displayed and the list area of the site related to the searched shopping mall site.

The commodity price comparison recommendation system and its operation method according to the present invention having the above-described configuration is a top, bottom, right end, left end of the desired product and price information on the internet shopping mall domain and web page in the form of a toolbar by a browser on the monitor. Displayed in any one or more selected from among or displayed in a pop-up display, a tab display, etc. There is a convenient effect for the user to effectively use the product and price information.

Hereinafter, a commodity price comparison recommendation system and a method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

In addition, the terms used in the present invention was selected as a general term widely used as possible, but in certain cases, the term is arbitrarily selected by the applicant and in this case, the meanings are described in detail in the description of the present invention, It is to be understood that the present invention is to be understood as the meaning of terms rather than names.

In addition, in describing the embodiments, descriptions of technical contents that are well known in the technical field to which the present invention belongs and are not directly related to the present invention will be omitted. This is to more clearly communicate without obscure the subject matter of the present invention by omitting unnecessary description.

In general, a web page displayed on a monitor by searching the Internet includes a variety of information, and each information is recorded and displayed by a web source (WEB SOURCE). Although a web source is called a web syntax, in the description of the present invention, the web source is expressed as a web source and limited to a web syntax only when necessary.

In the Internet, various servers each provide their own address or domain (DOMAIN) owned and accessed information to the majority, each domain is also referred to as a site (SITE) and in the description of the present invention expressed as a domain, Use only the site if necessary.

The plug-in program includes an ADD-IN program or a BHOS BROWSER HELPER OBJECT (BHO) program. The plug-in program is a program that connects additional programs or executable files to a browser.

The tool bar TOOLBAR is positioned in any one or more areas selected from the top, bottom, right and left end areas of the display area of the monitor. It is relatively thin and stretched horizontally or vertically, and consists of a number of soft buttons (buttons), blocks of icons, and when clicked with a mouse, performs a specific function specified by a program, also called a toolbar. You can also change the location and configuration displayed by the user.

8 is a functional block diagram of a product price comparison recommendation system according to the present invention, FIG. 9 is a detailed functional block diagram of the product and a price comparison recommendation server of FIG. 8, and FIG. 10 is a product according to an example of the present invention. FIG. 11 is a diagram illustrating product price comparison information of a toolbar provided to a display unit of a user terminal in a price comparison recommendation system. FIG. 11 is a signal flow diagram illustrating a method of operating a product price comparison recommendation system according to an example of the present invention. to be.

As shown in FIG. 8, the commodity price comparison recommendation system according to an exemplary embodiment of the present invention includes a plurality of user terminals 100, 110, 120, and 130, the Internet 200, a web server 300, and a search. The engine 400 has the same or similar configuration as the conventional technical configuration, and is based on a shopping mall domain existing on the web, and includes a plurality of shopping mall servers 500, 510, 520, and a plurality of shopping mall servers 500, 510. The product and price comparison recommendation server 600 and the product and price comparison recommendation server 600 which search and compare the manually and automatically inputted goods and price information from the 520 are searched from the plurality of shopping mall domains. It is a configuration that includes a commodity price database 700 for recording and storing the information about the commodity and price into a database.

Here, the plurality of user terminals 100, 110, 120, and 130 include a desktop PC, a notebook PC, a PDA capable of wireless internet, a wireless Internet phone, and a PDA phone capable of wireless internet.

The Internet 200 uses various protocols for communication, for example, Lightweight Directory Access Protocol (LDAP), Transport Control Protocol / Internet Protocol (TCP / IP), Hypertext Transport Protocol (HTTP), Wireless Application Protocol (WAP), and the like. It is a global collection of gateways and networks.

The web server 300 receives an HTTP request from a web browser client, mounts a computer program that responds to HTTP according to material content commonly found in a web page such as an HTML document, and executes a computer program providing the corresponding function. A computer to be used is a server operated by a public office or a company.

The search engine 400 is provided by portal domains (sites) such as Naver, Empas, Yahoo, and the like.

The shopping mall servers 500, 510, and 520 are servers that provide product information and price information for one or more products, and are connected by a domain having a unique IP (INTERNET PROTOCOL) address.

The product and price comparison recommendation server 600 searches for a plurality of shopping mall domains or shopping mall servers 500, 510, and 520 to collect sold products and price information, and to match the shopping mall domain with a brand. The product price of the shopping mall is verified and stored in the product price database 700. Verification is about checking for a reliable price.

The commodity price database 700 may include sales product information, price information, information corresponding to a corresponding shopping mall domain and a brand, and the like, searched from the plurality of shopping mall servers 500 and 510 and 520 by the commodity and price comparison recommendation server 600. Record, store and manage.

According to the present invention as described above, the product and price comparison recommendation server, as shown in Figure 9, the communication unit 610, domain brand matching unit 620, web parser 630, shopping mall product price extraction unit ( 640, a shopping mall product price verification unit 650, a product price input unit 660, a product price extraction unit 670, and a controller 680.

Here, the communication unit 610 communicates with the Internet 200 and the product price database 700, and the domain brand matching unit 620 is for displaying related recommendation domains (sites) according to domains. In the case of a shopping mall domain (site) that sells products by the user, the matching domain is displayed and linked according to the category classification.

The web parser 630 analyzes a source, which is an address of a web page, and retrieves and extracts product and price information from the analyzed web page of the parsed source (source) by the product price extractor 670. do.

The shopping mall product price extractor 640 searches and extracts product and price information from the searched shopping mall domain.

The product and price information searched and extracted by the product price extractor 670 and the shopping mall product price extractor 640 are stored in the product price database 700 through the communication unit 610 together with the corresponding shopping mall domain.

The commodity price verification unit 650 compares and verifies whether the commodity price searched by the commodity price extractor 670 or the mall commodity price extractor 640 is a normal price, a cheap price, or an expensive price.

In addition, the verification may include verifying by repetitively searching every set period through the product price extractor 670 and the shopping mall product price extractor 640, or by a server administrator directly visiting the shopping mall domain offline. .

The product price input unit 660 is a user interface (UI) for directly inputting a price of a product of a corresponding shopping mall by a server administrator.

That is, the product and price comparison recommendation server 600 according to the present invention may be directly input by the product price input unit 660 manually or searched automatically by a search engine by the shopping mall product price extractor 640. Extract. The searched and extracted goods and corresponding price information are recorded and stored in the allocated area of the product price database 700 and managed.

FIG. 10 is a diagram illustrating product price comparison information of a toolbar provided in a display unit of a user terminal in a product price comparison recommendation system according to an exemplary embodiment of the present invention. The display state according to an embodiment of the provided toolbar.

It can be seen that the toolbar is composed of a recommendation site area A1, a price comparison area A2, and a Web Speed-up area A3.

Here, the recommendation site area A1 displays a company by a shopping mall domain and is LINKed to the shopping mall domain.

In addition, the price comparison area A2 displays a result of searching and comparing products and prices with respect to the keyword search word input from the user terminals 100, 110, 120, and 130.

In other words, the recommended site (domain) is displayed in the recommended site area A1 of the toolbar displayed in the display area of the user terminal 100, 110, 120, 130 according to the keyword EOS-450D, and the price comparison The result of comparing the product and price with respect to the input keyword search word is displayed in the area A2, and the user can easily search the price information about the product he / she wants to search.

In addition, the domain (site) of the advertiser or sponsor may be displayed in the remaining areas except the toolbar area. In other words, it can benefit both end users and advertisers, sponsors and server operators.

As described above, although the recommendation site area A1 and the price comparison area A2 are shown in the form of a toolbar, this is only one embodiment, and includes various configurations such as a tab shape, a frame insertion form, and a popup notification window form.

11 is a flowchart illustrating a method of operating a product price comparison recommendation system according to an example of the present invention.

Hereinafter, referring to the accompanying drawings in detail, the domain (site) brand matching unit 620 under the control of the controller 680 searches for and displays a shopping mall domain corresponding to a category of a specified product among a plurality of Internet domains. The web parsing unit 630 analyzes the web page, and if there is product information input by the user in the analyzed web source page content, the product price extracting unit 670 searches and extracts the corresponding product and price information. The searched and extracted product and price information are applied to the product price database 700 by the communication unit 610 and stored and managed in the allocated area.

The product price stored in the allocated area of the product price database 700 is searched and extracted from the product price database 700 when a request is received from the user terminals 100, 110, 120, and 130.

Meanwhile, the domain brand matching unit 620 searches for a commercial word or a non-commercial word and guides a recommendation site (domain) in the case of a non-commercial word.

However, if it is a commercial word, it guides the shopping mall domain of the related site.

The domain associated with the recommended domain here is information retrieved or stored.

In this case, the shopping mall product price extractor 640 searches and extracts product price information from the searched corresponding shopping mall domain, and the extracted product price information is verified through the product price verification unit 650 to allocate the product price database 700. Record it in the area. In other words, the search engine automatically retrieves and stores product price information.

Meanwhile, the product price database 700 may directly receive the product price manually through the product price input unit 560.

12 is a diagram showing an example of a web page display state by the commodity price comparison recommendation system of the present invention and its operation method.

Hereinafter, with reference to the accompanying drawings, a web page displayed by the present invention, the price comparison list area A1, the associated product list area A2, the related site list area A3, the shopping mall It consists of a product page area A4.

Here, the shopping mall product page area A4 searches for a product desired by the user, has a purchase intention for the product, and moves to the web page. Or purchase page).

The price comparison list area A1 is a product that is a search target by a user in a plurality of shopping mall domains (each shopping mall server), and displays price information on all the same products sold.

The related product list area A2 is an area where a product list related to a product desired and searched by the user is searched and displayed. For example, when the desired searched product is wine (WINE, wine), This is an area to search, match, and display wine openers and wines that match wines. Matching also includes THUMB NAIL images.

The related site list area A3 is an area for displaying sites related to all the searched shopping mall domains, for example, affiliated sites (domains) and the like.

In this case, as shown in FIG. 12, the price comparison list area A1 is configured at the top of the web page, the related product list area A2 is displayed on the left side of the web page, and the related site list area A3 is displayed at the bottom of the web page. And the shopping mall product page area A4 can be configured in the center of the web page.

Although the present invention has been described by way of example as described above, the present invention is not necessarily limited to these examples, and various modifications can be made without departing from the spirit of the present invention. Therefore, the examples disclosed in the present invention are not intended to limit the technical idea of the present invention but to explain the present invention, and the scope of the technical idea of the present invention is not limited by these examples. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1 is a schematic diagram illustrating a prior art Internet search;

2 to 7 is a view for explaining the Internet search results of the prior art,

8 is a functional block diagram of a commodity price comparison recommendation system according to the present invention;

FIG. 9 is a detailed functional block diagram of a product and price comparison recommendation server of FIG. 8; FIG.

10 is a view for explaining commodity price comparison information of a toolbar provided in a display unit of a user terminal in a commodity price comparison recommendation system according to an exemplary embodiment of the present invention;

11 is a signal flow diagram illustrating a method of operating a commodity price comparison recommendation system according to an example of the present invention;

And

12 is a diagram showing an example of a web page display state by the commodity price comparison recommendation system of the present invention and its operation method.

          ** Description of the symbols for the main parts of the drawings **

100, 110, 120, 130: user terminal 200: the Internet

300: web server 400: search engine

500, 510, 520: shopping mall server 600: product and price comparison recommendation server

610: communication unit 620: domain brand matching unit

630: web parser 640: shopping mall product price extraction unit

650: commodity price verification unit 660: commodity price input unit

670: product price output unit 680: control unit

700: Commodity Price Database

Claims (11)

A plurality of user terminals capable of using a wired or wireless Internet, an Internet providing wired or wireless Internet service to the user terminal, and a computer corresponding to HTTP according to data contents of a general HTML document in a web page by an HTTP request of a web browser client. In the Internet search system including a web server for loading and executing the program and a search engine for searching for a word or domain input from the plurality of user terminals, A communication unit configured to communicate with a product price database that matches and stores products, price information, and brands existing in domains and internet web pages of a plurality of shopping mall servers; A domain brand matching unit for displaying a searched domain among the Internet domains, and for displaying a domain matched with a category classification in a case of a shopping mall domain for selling services and goods as a product; A web parser analyzing a web page source; A commodity price extracting unit extracting commodity and price information from a source analyzed by the web parser; A shopping mall commodity price extracting unit extracting commodity prices of domains selling commodity services and goods; A product price verification unit that verifies the price of the product extracted by the product price extraction unit or the shopping mall product price extraction unit; A product price input unit for inputting a product and a price; The commodity price information of the web source or the shopping mall is controlled through the communication unit by controlling the communication unit, the domain brand matching unit, the web parsing unit, the product price extraction unit, the shopping mall product price extraction unit, the product price verification unit, and the product price input unit. When storing in the database, and the product information of the service and goods from the user terminal, the product price information stored in the product price database is provided to the user terminal in the toolbar-type display area, and the brand and shopping mall of the advertiser or sponsor A control unit providing a domain to a display area other than the toolbar-type display area; Configure a product and price comparison recommendation server, including The product and price comparison recommendation server is a product price comparison recommendation system, characterized in that the configuration consisting of connecting to the Internet and the product price database. The method of claim 1, The toolbar-type display area may include a recommendation domain area displaying a list of related domains, a price comparison area displaying all prices of the same product searched from a plurality of domains, and an associated product area displaying a list of products associated with a search product. A commodity price comparison recommendation system characterized by one or more configurations. The method of claim 1, wherein the control unit, The product price comparison recommendation system of claim 1, wherein a product input by a user is sold among a plurality of Internet domains, and thus a matching shopping mall domain is searched and created as a list, and price information of each shopping mall domain is searched and displayed. The method of claim 3, wherein the control unit, The web source matching the product and price information of the shopping mall domain is displayed on any one or more selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program, pop-up display or tab display. A commodity price comparison recommendation system comprising: a configuration. The method of claim 4, wherein the control unit, The web source matching the shopping mall domain of the additional product associated with the product is displayed, popped up, or displayed on at least one selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program. A commodity price comparison recommendation system, characterized in that the configuration consists of a display. The domain brand matching unit displays the corresponding recommendation domain searched among a plurality of Internet domains and matches the product category classification including the service and the goods from the plurality of the shopping mall domains selling the product including the service and the product. The web parser analyzes the web page and extracts the corresponding product and price from the product price extracting unit, and stores the extracted product and price information in the product price database if the product exists. Searching for whether it is a commercial word or a non-commercial word, guiding a searched recommendation site in the case of a non-commercial word, and displaying and guiding a related shopping mall domain in the case of a commercial word; Extracting a product price of the shopping mall domain from a shopping mall product price extracting unit, verifying the extracted product price through a product price verifying unit, and storing the extracted product price in a product price database; And Retrieving commodity price information from the commodity price database by the commodity price extracting unit and providing the commodity price information to a user terminal; Operation method of the commodity price comparison recommendation system comprising a. The method of claim 6, The commodity price database is a product price comparison recommendation operation system, characterized in that the product price information input directly through the commodity price input unit of the recommendation server and records in the allocated area. The method of claim 6, wherein the providing step, A shopping mall product page area providing a searched corresponding product page of the found shopping mall site; A price comparison list area displaying price information on the same product sold in a plurality of shopping mall sites selling the searched product; An associated product list area on which a related product list for the searched product is displayed; And A list area of sites related to the searched shopping mall site; Operating method of the product price comparison recommendation system characterized in that it is provided to display in the user terminal. The method of claim 8, wherein the providing step, Since a product input by a user is sold among a plurality of Internet domains, a matching shopping mall domain is searched and created as a list, and price information of each shopping mall domain is searched and displayed. The method of claim 9, wherein the providing step, The web source matching the product and price information of the shopping mall domain is displayed on any one or more selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program, pop-up display or tab display. Operation method of the commodity price comparison recommendation system characterized in that. The method of claim 10, wherein the providing step, The web source matching the shopping mall domain of the additional product associated with the product is displayed, popped up, or displayed on at least one selected from the areas allocated to the top, bottom, right and left ends of the web page by the plug-in program. Operation method of the commodity price comparison recommendation system characterized in that the display.

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