KR20070032510A - Goods reference server and operation method of the goods reference server - Google Patents

Abstract

A goods reference server and an operation method thereof are provided to enable a user to conveniently purchase goods at lower price by providing a mobile terminal with the lowest price information for the goods requested from the mobile terminal and collecting/providing the closest shop information from a current location of the mobile terminal. A sale information database(601) stores goods ID information and detail goods data, which includes the lowest price information for goods and more than one shop information matched with low price information. A receiver(602) receives a goods search request from the mobile terminal. A sale information generator(603) reads the detail goods data matched with the goods ID information included in the goods search request from the sale information database and generates the shop information by applying a predetermined sorting rule to the read detail goods data. A transmitter(604) transmits the generated sale information to the mobile terminal. The predetermined sorting rule is based on a difference between the current location of the mobile terminal and a shop location.

Description

Article search server and operation method of the article search server {GOODS REFERENCE SERVER AND OPERATION METHOD OF THE GOODS REFERENCE SERVER}

1 is a diagram illustrating a network for implementing a product searching method according to the present invention.

2 is a flow chart showing the steps of the article search method according to the present invention.

3 is a diagram illustrating an example of a sales information database according to the present invention.

4 is a diagram illustrating an example of inputting a product search request to be searched through the article search server in the communication terminal.

5 is a view showing an example of confirming the sales information data provided from the article search server according to the present invention.

6 is a block diagram showing the internal configuration of the article search server according to the present invention.

7 is an internal block diagram of a general-purpose computer system that can be employed to perform the method of operation of the article retrieval server according to the present invention.

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

600: product search server

601: Sales information database

602: receiving unit

603: sales information generator

604: transmitter

The present invention relates to an article search server and article search method for providing the lowest price information of the article or the store information for the store closest to the communication terminal when receiving a search request for a specific article from the communication terminal.

Today, with the development of electronic commerce using computer terminals, users can purchase desired products at low prices through price comparison sites. That is, in a specific place where a computer terminal is installed, a user connects to a web server providing the price comparison site, selects and purchases a specific object. For example, a user who wants to purchase an MP3 player accesses the web server through a computer terminal capable of internet communication and checks a web page for the price comparison site. The specific MP3 player is selected by inputting a product name or a product number of the MP3 player to be purchased, and confirming the store information of a plurality of stores selling the MP3 player. The store information includes location information and phone number information of the store, and the user confirms price information of the MP3 player according to the store information. When the user intends to purchase the MP3 player, the user may purchase the mp3 player from the store by checking the location information, the telephone number information, or the network address information of the store. It is possible to check the location information when the user wants to visit the store and make a purchase, and to check the phone number information when inquiring about the MP3 player by telephone, and to the website provided by the store. In the case of visiting and purchasing, the MP3 player can be purchased through the network address information.

Such purchase of goods through a computer terminal provides convenience for the user. However, as mentioned above, the purchase of the goods through the computer terminal still has the following problems.

First, a user must secure a computer terminal capable of internet communication in the case of purchasing goods through the Internet. Computer terminals are very inconvenient to carry due to weight and volume constraints, and even when carrying the computer terminals, time and space constraints such as securing Internet communication equipment are required to carry out Internet communications. Therefore, it is practically impossible to carry the computer terminal and check the price information of the goods or the store information through internet communication when necessary.

In addition, the web server cannot provide differentiated information to the user according to the location of the user with respect to the article. For example, a user located in Busan may preferentially provide information on a store in Seoul. That is, it is difficult to determine the current location of the computer terminal, which causes the web server to provide indiscriminate information for which the current location of the user is not considered.

Due to this problem, the user must overcome the time and space constraints for purchasing an item through internet communication, and a considerable time waste is generated in determining what information is really needed from the indiscriminate information provided through the web page. .

The present invention has been made to improve the prior art as described above, the user is connected to the product search server through the communication terminal to receive the lowest price information for the desired item, and collects the store information adjacent to the current location of the communication terminal It aims at purchasing an article conveniently and inexpensively by this.

An object of the present invention is that the article search server collects the information about the goods and price information from the web server providing a predetermined price comparison service to the user, so that the user uses the conventional price comparison service without Internet communication through a computer terminal This minimizes the time and space constraints associated with product search.

Another object of the present invention is to provide a user-specific information by collecting the location information from the communication terminal, and compares the location information of the store with the price information to provide the store information for the adjacent store to the user .

In order to achieve the above object and to solve the above-mentioned problems of the prior art, the article search method according to the present invention comprises the steps of maintaining the identifier information of a specific article and the detailed data of the article in the sales information database-the detailed data And at least one store information corresponding to the lowest price information of the article and receiving at least one store information corresponding to the lowest price information.-Receiving an item search request from a communication terminal of a user connected through a wireless communication network. And reading the detailed data corresponding to the identifier information included in the article search request by referring to the database, and selecting a sorting rule for the detailed data. Generating sales information data including the store information by applying the above information-the edition The store information includes any one of telephone number information of a store or network address information of a store system; and transmitting the generated sale information data to the communication terminal, wherein the communication terminal stores the sale information data. It is characterized in that the call connection to a predetermined store or a network connection to the system of the store in accordance with the store information included in the.

In addition, a product search server according to the present invention is a sales information database for maintaining identifier information and specific data of the specific item of the item-the detailed data is one or more stores corresponding to the lowest price information and the lowest price information for the item And a receiving unit for receiving a product search request from a communication terminal of a user connected through a wireless communication network, wherein the article search request includes identifier information of the article, and searching the article with reference to the sales information database. Generating sales information for reading the detailed data corresponding to the identifier information included in the request and generating sales information data including the store information by applying a sorting rule predetermined to the detailed data. Part-The store information is the phone number information of the store or the store And a transmitting unit for transmitting the generated sales information data to the communication terminal, wherein the communication terminal includes a predetermined number according to the store information included in the sales information data. It is characterized in that the call connection to the store or network connection to the system of the store.

Hereinafter, with reference to the accompanying drawings, the article search method and article search server according to the present invention will be described in detail.

1 is a diagram illustrating a network for implementing a product searching method according to the present invention.

Referring to FIG. 1, a user connects to a product search server 130 through a WAP in order to collect price information on a specific item and store information from a store system 120 selling the item. The user inputs predetermined information as a product search request in a predetermined swap page provided from the article search server 130. The predetermined information includes product name of the article, identifier information, or barcode information of the article, and the identifier information is information uniquely identifiable with respect to the article, such as a model number of the article. In addition, the barcode information includes image information on the barcode or predetermined number information corresponding to the barcode.

In the present specification, the article retrieval server 130 is a swap (WAP) for providing the detailed data as a WAP page through a web server or a mobile communication network that provides the detailed data as a web page through a wired or wireless Internet. It is a server including all WAP) servers.

The article search server 130 receives the article search request and reads detailed data of the article corresponding to the identifier information from the sales information database.

The sales information database records the identifier information, the lowest price information, one or more store information corresponding to the lowest price information, and the product search server 130 maintains the sales information database. The store information includes information such as location information, phone number information, network address information, or a store name for a store that sells the article.

The article search server 130 reading the detailed data of the article generates sales information data including the store information by applying a predetermined sorting rule.

The sorting rule may be selected from information including the lowest price information or location information of the store.

For example, the article search server 130 searches the detailed data according to the product name of the article, the identifier information, or the bar code information of the article from the sales information database, and provides detailed data that provides the lowest price information among the found detailed data. Provided to the communication terminal 110. Accordingly, the user can check the retailer information and the lowest price information as detailed data of the item providing the lowest price information.

In another example, the article search server 130 checks the current position information of the communication terminal, and compares the position information of the store included in the store information from the searched detailed data. Accordingly, only the detailed data of which the difference between the current location information of the communication terminal 110 and the location information of the store is less than a predetermined value is extracted and provided to the communication terminal 110. At this time, the extracted detailed data may be provided in ascending order according to the lowest price information. The current location information may be collected from the communication terminal 110 or from a predetermined mobile communication system. The method of confirming the current location information of the communication terminal 110 in the communication terminal 110 or the mobile communication system is well known technology such as GPS or Location Based Service (LBS), and thus the detailed description thereof will be omitted. .

In addition, the article search server 130 provides the lowest price information among the searched detailed data, and extracts only detailed data corresponding to the store information having a difference between the current location information and the location information of the store from a predetermined value. Can be. Accordingly, the user may purchase a product by selecting a store close to his current location while providing the lowest price information. Therefore, in the purchase of a certain item, the user may purchase the item from a retail store adjacent to his current location in consideration of the lowest price information. In addition, the article search server according to the present invention to implement this can solve the inconvenience that the user must have a computer terminal.

The communication terminal 110 according to the present invention is a mobile communication terminal, PSTN terminal, VoIP, SIP, Megaco, PDA (Personal Digital Assistant), cellular phone, PCS (Personal Communication Service) phone, hand-held PC (Hand-Held PC) , CDMA-2000 (1X, 3X) phones, Wideband CDMA (WCDMA) phones, Dual Band / Dual Mode phones, Global Standard for Mobile (GSM) phones, Mobile Broadband System (MBS) phones, or It includes a portable terminal such as a satellite / terrestrial digital multimedia broadcasting (DMB) phone.

The article search server 130 according to an embodiment of the present invention receives the detailed data from the web server 140 providing a predetermined price comparison service and updates the sales information database. For example, the article search server 130 may be linked with a plurality of web server 140 to secure the detailed data provided to the user. That is, the article search server 130 interworking with the web server 140 that provides the price comparison service or the article search service to the user's computer terminal through the web is the web server 140 to provide various detailed data to the user. Collect the detailed data and update the sales information database. As a result, the user searches through the communication terminal 110 for information about a specific item that has been searched through a computer terminal in the existing web server 140, and purchases the lowest price information for the specific item or You can see the stores that are currently adjacent to you.

2 is a flow chart showing the steps of the article search method according to the present invention.

First, in step 201, the user swaps the article search server through the communication terminal and inputs the article search request.

The article retrieval request includes bar code information, text data, or DTMF signal. In one example, the user captures image information of a bar code recorded on a predetermined article and inputs it to the communication terminal as an article search request. In another example, the user inputs a product name for the article in a predetermined swap page provided from the article retrieval server, and inputs it into the communication terminal as text data. In another example, the user inputs text data or DTMF signals by inputting keypad number input information corresponding to the identifier information of the article to the communication terminal.

The article search server according to the present invention is a web server for providing detailed data as a web page through a wired or wireless Internet or a WAP server for providing the detailed data as a WAP page through a mobile communication network. In the detailed description of FIG. 2, the user will be connected to the article search server through a communication terminal as an example.

In step 202, the communication terminal transmits the item request information input from the user to the article search server.

The article request information is transmitted from the communication terminal to the article search server in the form of bar code information, text data, or DTMF signal. In one example, the communication terminal transmits image information of a bar code recorded in a predetermined article to the article retrieval server as an article retrieval request. In another example, the communication terminal transmits the product name for the article as text data to the article retrieval server through a predetermined swap page provided from the article retrieval server. In another example, the communication terminal transmits the number information corresponding to the identifier information of the article as a DTMF signal to the article search server.

The article search server maintains a sales information database in which identifier information on a specific article and detailed data of the article are recorded (step 203).

The detailed data is the lowest price information about the item and one or more store information corresponding to the lowest price information, and the store information includes location information, phone number information, or network address information about the store that sells the goods. do. The sales information database will be described in detail with reference to FIG. 3.

3 is a diagram illustrating an example of a sales information database according to the present invention.

The sales information database 300 according to an embodiment of the present invention includes fields of lowest price information, store information, product name, and identifier information.

First, the lowest price information is price information on the article, and only information on the article determined as the lowest price information may be recorded. In the present specification, the lowest price information is described as the lowest price of the goods, but it may include not only the lowest price of the goods but also predetermined price information close to the lowest price. Therefore, the lowest price information should be interpreted to include not only the lowest price but also price information close to the lowest price.

The store information includes location information, network address information, or telephone number information of a store selling goods. The location information includes address or coordinate information for the retailer, and the network address information includes address information for a predetermined web or swap page provided by the retailer.

The product name is a unique name for the article, and the identifier information includes unique identification information such as a serial number of the article.

Referring to the identification number 301 of FIG. 3, the sales information database 300 maintains the store information on the 'MP3 player 1' of the lowest price information '100,000'. The 'MP3 player 1' is located at 'location information 1' and maintains the store information of '02 -555-5555 'as phone number information and' address information 1 'as network address information. In addition, the serial number 'M1111' of the 'MP3 player 1' is additionally maintained. Thus, the detailed data on the identification number 301 is read out when the product name 'MP3 player 1' or the serial number 'M1111' is received from the user's communication terminal as a product search request.

In step 204, the article search server receives the article search request from the communication terminal of the user connected through a wireless communication network, searches the sales information database, and reads detailed data corresponding to the article search request. .

The article search request includes the identifier information or the product name. The communication terminal receiving the article search request extracts the identifier information or product name from the article search request, and searches the sales information database according to the extracted identifier information or product name to read out corresponding detailed data.

For example, when the user transmits the barcode information of the image data for a certain article to the article search server as the article search request, the article search server reads the identifier information from the image information, and refers to the identifier information. To read detailed data from the sales information database.

As another example, when a user transmits a product name in the form of text data of a predetermined article to the article search server, the article search server searches the sales information database according to the product name to retrieve detailed data. Read out.

4 is a diagram illustrating an example of inputting a product search request to be searched through the article search server in the communication terminal.

Referring to FIG. 4, the user accesses an article search server and receives an article search request page from the article search server, as shown in FIG. The user selects a product name as a product search request, and inputs 'MP3 player 1' to be searched for as a product name. After the input of the product name is completed, by pushing the keypad corresponding to the 'confirmation', the product name input to the communication terminal 400 can be transmitted to the article search server. In addition, the user may move to a previous screen or cancel an input of an article search request by pushing a keypad corresponding to 'cancel' of the communication terminal 400. In FIG. 4, the product name is entered and transmitted as an item search request, but this is an embodiment of the present invention. As described above, the item search request includes barcode information or identifier information of an item. The article search server receives 'MP3 player 1' as a product name in the article search request, searches the sales information database, and reads detailed data corresponding to the product name. The detailed data may include detailed information on a store selling the 'MP3 player 1' and a specification of the 'MP3 player 1'.

In step 205 of FIG. 2, the article search server generates sales information data by applying the selected sorting rule to the detailed data read. The store data includes store information such as telephone number information of a store or network address information of a store system. In addition, the store data is generated by extracting only data according to the sorting rule from the detailed data.

For example, when the sorting rule is the lowest price information about the item, the item search server sorts only the detailed data registered as the lowest price information among the read detailed data. As another example, when the sorting rule is location information of a retailer that sells the article, only the detailed data of which the difference from the current location information of the communication terminal is less than a predetermined value is read out of the detailed data. To this end, the current location information may be collected from the communication terminal or a predetermined mobile communication system associated with the communication terminal.

When collecting the current position information from the communication terminal, the communication terminal is provided with a predetermined GPS module, the communication terminal receives the GPS signal from a predetermined GPS, and generates the current position information through a predetermined position calculation algorithm can do. Since the location calculation algorithm of the communication terminal via GPS is a well-known conventional technique, the following detailed description is omitted.

In addition, the mobile communication system maintains current location information of the communication terminal. Accordingly, when the article search server fails to collect current location information from the communication terminal, the article search server may collect the current location information from the mobile communication system.

In order to calculate the current location information collected from the communication terminal or the mobile communication system, the location information of the store may be predetermined coordinate information. It is well known in the art to calculate the distance between the two points from the location information of the two points, and thus the detailed description thereof will be omitted.

In addition, the predetermined value may be set by the user. At this time, the user can be connected to the article search server and set through a predetermined menu. For example, a user may swap the article search server and receive a predetermined search page from the article search server, input a product name in a search field of the search page, and the article search server may receive the product name to provide the sales information. By searching the database, detailed data on a specific article corresponding to the product name is read out. In addition, the article search server generates sales information data by applying a sorting rule in accordance with the lowest price information or the location information of the store among the detailed data read out.

In step 206, the article retrieval server transmits the sale information data to the communication terminal, and the communication terminal receives the sale information data (step 207). At this time, the communication terminal may check the sales information data in the form of a predetermined swap page. In addition, in step 207, the communication terminal connects or connects to the store according to the store information included in the sale information data received from the article search server. The call connection or network connection to the retailer through the sales information data received from the article search server will be described in detail with reference to FIG. 5.

5 is a view showing an example of confirming the sales information data provided from the article search server according to the present invention.

In FIG. 4, the communication terminal 400 transmits the MP3 player 1 as a product name to the article search server, and the article search server reads detailed data corresponding to the product name. The detailed data is processed into sales information data according to a predetermined sorting rule. The sorting rule may be set based on the lowest price information or the location information of the retailer, and the user may select which of the lowest price information or the location information of the retailer is set as the sorting rule.

For example, when the lowest price information is selected based on the sorting rule, the item search server reads one or more detailed data including one or more store information corresponding to a store that sells the product name 'MP3 player1'. In addition, the sales information data including only the store information for the store selling the 'MP3 player 1' as the lowest price information among the one or more store information is generated.

In addition, when the location information of the store is selected based on the sorting rule, the article search server collects current location information from the communication terminal 500, and only the store information located within a predetermined distance difference from the location information of the store is detailed. The data is read out as data, and the sales information data is generated from the combination of the read detailed data.

Lastly, when the lowest price information and the location information are selected as the sorting rule, as described above, the article search server currently communicates among the stores selling 'MP3 player 1' as the lowest price information based on the sorting rule. The store information of the store closest to the terminal 500 is generated as sale information data.

The generated store data is displayed on the communication terminal 500. For example, a user selects both the lowest price information and the location information based on a sorting rule for 'MP3 player 1' and then sells the 'MP3 player 1' to '100,000' from the item search server. 'Location Information 1' can be confirmed as a product search result. As shown in the communication terminal 500 of FIG. 5, the user pushes a keypad corresponding to 'call connection' to perform a call setup request to the retailer, or pushes a keypad corresponding to the 'wap connection'. You can swap to the store's network address.

A user who connects or swaps a call to the retailer may perform an operation such as an inquiry related to the purchase or purchase of goods.

In addition, the article search server may be linked to a predetermined web server. For example, the article search server may be linked to a predetermined shopping mall server in which most of the stores of the Yongsan electronic shopping mall are registered. The article retrieval server collects detailed data of the article including the store information registered in the database of the shopping mall server at predetermined intervals, and processes the detailed data to update the sales information database. When receiving the article search request for an article related to a computer part from a user, the sales information database is searched to provide the detailed data to the user. At this time, the article search server provides the sales information data to the user with reference to the current location information of the communication terminal.

6 is a block diagram showing the internal configuration of the article search server according to the present invention.

As shown in FIG. 6, the article search server according to the present invention includes a sales information database 601, a receiver 602, a sales information generator 603, and a transmitter 604.

The sales information database 601 maintains identifier information of a specific article and detailed data of the article.

The detailed data includes lowest price information about the article and one or more store information corresponding to the lowest price information. The identifier information is information that can uniquely identify the article, such as an identification number, serial number, or barcode information for the article. In addition, the store information includes location information, network address information, or telephone number information of a store that sells the article.

The receiving unit 602 receives an article search request from a communication terminal 600 of a user connected through a wireless communication network.

The article search request includes identifier information of the article. For example, the communication terminal 600 connects to the article search server through a predetermined wireless communication network, and transmits a product name, article identifier information, or barcode information to the article search server in a article search request. In order to transmit the barcode information, the communication terminal 600 includes a predetermined barcode recognition module or a barcode photographing module.

The sales information generating unit 603 reads the detailed data corresponding to the identifier information included in the item search request with reference to the sales information database 601, and sorts the predetermined data for the detailed data. ) To generate sales information data including the retailer information.

The sales information database 601 maintains identifier information corresponding to detailed data of the article, and reads the detailed data according to the identifier information received from the user. The detailed data includes any one of telephone number information of a retailer selling the article and network address information of the retailer system.

The sales information generation unit 603 sorts the read detailed data according to a predetermined sorting rule. The criteria according to the sorting rule may be the lowest price information or the location information of the store. Therefore, the sales information data is a combination of detailed data filtered according to the lowest price information or the location information. The filtered detailed data may be sorted in alphabetical order or the like according to the name of the store.

Generating sales information data according to the location information of the shop is associated with the current location information of the communication terminal 600. For example, the article search server collects current location information of the communication terminal 600 from the communication terminal 600 or the mobile communication system. In addition, the location information of the retailer is checked and detailed data about the retailer corresponding to the location information is included in the sales information data only when a difference between the current location information and the location information is equal to or less than a predetermined value. To this end, the communication terminal 600 may further include a GPS module for receiving a GPS signal from a predetermined GPS and calculating current location information.

The transmitter 604 transmits the generated sales information data to the communication terminal. The transmitter 604 transmits the sales information data to the communication terminal connected through the wireless communication network, and the user of the communication terminal confirms the sales information data. The sales information data is displayed in the form of a predetermined swap page.

Accordingly, the user may perform a call setup request with telephone number information of a store included in the sales information data of interest among the sales information data, or perform a purchase or consultation by swapping to the network address information of the store. . In this case, the telephone number information or the network address information may be in the form of a predetermined callback number or a callback URL, and the communication terminal may automatically connect to a telephone of the store or a predetermined server provided by the store. In this way, the user can conveniently purchase the cheap goods by receiving the lowest price information from the item search server and collecting the store information adjacent to the current location of the communication terminal.

7 is an internal block diagram of a general-purpose computer system that can be employed to perform the method of operation of the article retrieval server according to the present invention.

Referring to FIG. 7, the computer system 700 may include one or more processors 710 connected to a main memory including a random access memory (RAM) 720 and a read only memory (ROM) 730. Include. The processor 710 is also called a central processing unit (CPU). As is well known in the art, the ROM 730 serves to transfer data and instructions to the CPU unidirectionally, and the RAM 720 typically transfers data and instructions bidirectionally. Used to. RAM 720 and ROM 730 may include any suitable form of computer readable media. Mass storage 740 is bidirectionally coupled to processor 710 to provide additional data storage capabilities, and may be any of the computer readable recording media described above. The mass storage device 740 is used to store programs, data, and the like, and is typically an auxiliary memory device such as a hard disk which is slower than the main memory device. Certain mass storage devices such as CD ROM 760 may be used. The processor 710 may include one or more input / output interfaces, such as video monitors, trackballs, mice, keyboards, microphones, touchscreen displays, card readers, magnetic or paper tape readers, voice or handwriting readers, joysticks, or other known computer input / output devices. 750 is connected. Finally, the processor 710 may be connected to a wired or wireless communication network through the network interface 770. Through this network connection, the procedure of the method described above can be performed. The apparatus and tools described above are well known to those skilled in the computer hardware and software arts.

The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

According to the present invention, a user can access goods search server through a communication terminal to receive the lowest price information on a desired item, and collect information on a store close to the current location of the communication terminal, thereby making it possible to purchase goods conveniently and inexpensively. .

According to the present invention, the article search server collects information on goods and price information from a web server that provides a predetermined price comparison service and provides the user with a conventional price comparison service without internet communication through a computer terminal. By using this, it is possible to minimize the time and space constraints of the item search.

According to the present invention, the article search server collects the location information from the communication terminal, and compares the location information of the store with the price information and provides the user with specialized store information for the adjacent store by providing the user with specialized information. .

Claims (12)

In the operation method of the article search server for receiving the article search request to provide the optimal sales information, Maintaining identifier information of a specific article and detailed data of the article in a sales information database, wherein the detailed data includes lowest price information about the article and one or more store information corresponding to the lowest price information; Receiving an article search request from a communication terminal of a user connected via a wireless communication network, wherein the article search request includes identifier information of the article; Reading the detailed data corresponding to the identifier information included in the article search request by referring to the database; Generating sales information data including the store information by applying a predetermined sorting rule to the detailed data, wherein the store information is any one of telephone number information of a store or network address information of a store system. Contains one-; And Transmitting the generated sales information data to the communication terminal. Including, And the communication terminal connects a call to a predetermined store according to the store information included in the sale information data or makes a network connection to a system of the store. The method of claim 1, The selected sorting rule is that the difference information between the current location information of the communication terminal and the location information of the retailer is less than a predetermined value, The store information recorded in the sale information database further includes location information of the store, The article retrieval server receives the current location information of the communication terminal from a predetermined mobile communication system, and reads the location information of the store recorded in the sales information database to calculate the difference information. How the server works. The method of claim 1, The selected sorting rule is that the difference information between the current location information of the communication terminal and the location information of the retailer is less than a predetermined value, The store information recorded in the sale information database further includes location information of the store, The communication terminal transmits the current position information calculated by a predetermined GPS module together with the article search request, and the article search server of the retailer read from the present location information and the sales information database received from the communication terminal. And calculating the difference information using the location information. The method of claim 1, The communication terminal transmits to the article search server by including the barcode information of the article in the form of image data in the article search request, And the article retrieval server identifies the article by reading the transmitted barcode information. The method of claim 1, The article retrieval request includes text data or DTMF signals input through a user interface means of the communication terminal, and the article retrieval server uses the text data or DTMF signals to retrieve the detailed data recorded in the sales information database. Operation method of the article search server, characterized in that for reading. The method of claim 1, The article search server includes a web server for providing the detailed data as a web page through a wired or wireless Internet or a WAP server for providing the detailed data as a WAP page through a mobile communication network. Operation method of the article search server, characterized in that. The method of claim 1, And the sales information database is updated by receiving detailed data about the article from a web server providing a predetermined price comparison service. The method of claim 1, The communication terminal is a mobile communication terminal, PSTN terminal, VoIP, SIP, Megaco, PDA (Personal Digital Assistant), cellular phone, PCS (Personal Communication Service) phone, Hand-Held PC, CDMA-2000 (1X) , 3X) phones, wideband CDMA (WCDMA) phones, dual band / dual mode phones, global standard for mobile (GSM) phones, mobile broadband system (MBS) phones, or satellite / terrestrial DMB (Digital) Multimedia Broadcasting) operating method of the article search server, characterized in that any one of the phones. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1 to 7 on a computer. In the article search server for receiving an article search request to provide optimal sales information, A sales information database for holding identifier information of a specific article and detailed data of the article, wherein the detailed data includes at least one retail price information corresponding to the lowest price information and the lowest price information about the article; A receiving unit for receiving an article search request from a communication terminal of a user connected through a wireless communication network, wherein the article search request includes identifier information of the article; The detailed information corresponding to the identifier information included in the item search request is read with reference to the sales information database, and the retailer information is included by applying a sorting rule predetermined to the detailed data. A sales information generator for generating sales information data, wherein the store information includes any one of telephone number information of a store and network address information of the store system; And Transmitter for transmitting the generated sales information data to the communication terminal Including, And the communication terminal connects a call to a predetermined store according to the store information included in the sale information data or makes a network connection to the system of the store. The method of claim 10, The selected sorting rule is that the difference information between the current location information of the communication terminal and the location information of the retailer is less than a predetermined value, The store information recorded in the sale information database further includes location information of the store, The article retrieval server receives the current location information of the communication terminal from a predetermined mobile communication system, and reads the location information of the store recorded in the sales information database to calculate the difference information. server. The method of claim 10, The selected sorting rule is that the difference information between the current location information of the communication terminal and the location information of the retailer is less than a predetermined value, The store information recorded in the sale information database further includes location information of the store, The communication terminal transmits the current position information calculated by a predetermined GPS module together with the article search request, and the article search server of the retailer read from the present location information and the sales information database received from the communication terminal. And the difference information is calculated using the location information.

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