KR102170016B1 - Service Device, System and Method for Providing the Lowest Price Comparison List based on Purchase History Information - Google Patents

Abstract

The present invention relates to a service device, system, and method for providing a price comparison list based on purchase history information. The service device according to the present invention comprises: a communication unit that communicates with a user device or a shopping mall server through a communication network; A purchase history collection unit for collecting purchase history information for each user from the shopping mall server; A purchase history extraction unit for extracting purchase history information including purchase history of a specific product from among purchase history information collected by the purchase history collection unit when a price comparison request for a specific product is received from the user device; And a price comparison list providing unit for generating a price comparison list such that the purchase history information extracted by the purchase history extracting unit is sorted from the order of the lowest final purchase price, and providing the price comparison list to the user device.

Description

Service Device, System and Method for Providing the Lowest Price Comparison List based on Purchase History Information

The present invention relates to a service device, system, and method for providing the lowest price comparison list based on purchase history information. More specifically, the service device collects purchase history information of other users from a shopping mall server, and purchase history information The present invention relates to a service apparatus, system, and method for providing a lowest price comparison list based on purchase history information provided to a user device by creating a lowest price comparison list based on the final purchase price included in

Various services are provided through the network as the performance of electronic devices is developed and communication networks are spreading.

With the advancement of the performance of electronic devices and the spread of networks, users can easily access the Internet at any time without being limited to time and place through user devices (computers, smartphones, PDAs, etc.).

Accordingly, an Internet shopping mall that sells products through the Internet has been developed, and various means for effectively advertising products through the Internet have been commercialized.

In addition, as a number of Internet shopping malls have been commercialized, a service that compares prices of products sold in a number of Internet shopping malls and provides services has developed in order to meet the expectations of users who want to purchase the same product at a lower price.

Referring to the preceding document (Korean Patent Publication No. 10-2008-0045382), the prior document relates to a system and method for searching the lowest qualification for online products, and the barcode number of the product is entered by entering the barcode number of the barcode number input means. A barcode number receiving server to receive; A product information database storing product barcode information and product price information of a plurality of online shopping malls; A barcode data search server for receiving a barcode number of a corresponding product from the barcode number receiving server and searching and extracting barcode information of the corresponding product from the product barcode database; And an integrated product price search server for receiving barcode information of a corresponding product from the barcode data search server and searching and extracting the price information of the corresponding product from the product information database.

However, prior literature only extracts and provides the price information of the product based on the product price information of a number of online shopping malls, and cannot present the price to which the coupon is applied, so the maximum discount can be obtained when the coupon is applied. There is a problem that the price cannot be provided to the user.

On the other hand, many companies provide coupons that can additionally discount when purchasing products for marketing purposes, but general users need a rather cumbersome procedure to apply the coupon, and the existence of applicable coupons is not easily identified, so additionally There is a problem in not receiving the discount benefits that can be received.

Korean Laid-Open Patent Publication No. 10-2008-0045382: Online product lowest price search system and method

The present invention was conceived to solve the above problems, and the present invention provides a service apparatus, system, and method for providing a price comparison list arranged based on the final purchase price included in the purchase history information of other users. As a solution.

In addition, the present invention compares the coupon information for each product received from the shopping mall server and coupon information applied in the purchase history information, corrects the final purchase price, and a corrected price comparison list sorted based on the corrected final purchase price. It is a problem to provide a service device, a system, and a method that provides a solution.

A service device providing a price comparison list according to an embodiment of the present invention for solving the above problems includes: a communication unit that communicates with a user device or a shopping mall server through a communication network; A purchase history collection unit for collecting purchase history information for each user from the shopping mall server; A purchase history extraction unit for extracting purchase history information including purchase history of a specific product from among purchase history information collected by the purchase history collection unit when a price comparison request for a specific product is received from the user device; And a price comparison list providing unit configured to generate a price comparison list such that the purchase history information extracted by the purchase history extracting unit is sorted from a lower final purchase price, and provide the price comparison list to the user device. have.

Here, the purchase history information may include at least one or more of user identification information, a product to be purchased, a purchase time, a name of a shopping mall to be purchased, a link to access a shopping mall server, coupon information for use, or a final purchase price, and the The applied coupon information may include at least one or more of an expiration date, a discount amount, or a source.

When the final purchase price included in the purchase history information is the same, the price comparison list providing unit may generate a price comparison list to preferentially sort the purchase history information having a small number of coupon information included in the purchase history information. I can.

In addition, the service device may further include a coupon information storage unit for receiving and storing coupon information applicable for each product from the shopping mall server.

The price comparison list providing unit compares coupon information stored in the coupon information storage unit with coupon information applied to the coupon included in the extracted purchase history information, and the coupon information applied has expired or the coupon information storage unit If there is no coupon information that matches the coupon information stored in, the final purchase price is corrected by adding to the final purchase price by the amount discounted by the applied coupon information, and the purchase history information is sorted from the order in which the corrected final purchase price is lower. You can create a price comparison list that has been calibrated as possible.

The price comparison list providing unit compares the coupon information stored in the coupon information storage unit with coupon information applied to the coupon included in the extracted purchase history information, and stores coupon information additionally applicable in addition to the coupon information applied. If it is stored in the department, the final purchase price is corrected by subtracting the amount that can be discounted from the final purchase price by the above additionally applicable coupon information, and the purchase history information is sorted from the order of the lower corrected final purchase price. You can create a price comparison list.

Next, the system for providing a price comparison list according to an embodiment of the present invention for solving the above problems, requests price comparison for a specific product from a service device through a communication network, and compares prices from the service device. A user device that, upon receiving a list, accesses a shopping mall server through the price comparison list and performs product purchase payment; A shopping mall server for transmitting purchase history information for each user or coupon information applicable for each product to the service device; And collecting purchase history information for each user from the shopping mall server, and when there is a price comparison request for a specific product from the user device, extracting and extracting purchase history information including purchase history of the specific product from the purchase history information And a service device that generates a price comparison list such that the obtained purchase history information is sorted from the lowest order of the final purchase price, and provides the price comparison list to the user device.

Next, a method of providing a price comparison list by a service device according to an embodiment of the present invention for solving the above problems includes the steps of: (a) collecting purchase history information for each user from a shopping mall server; (b) when there is a request for price comparison for a specific product from a user device, extracting purchase history information including a purchase history of a specific product from the collected purchase history information; And (c) generating a price comparison list such that the extracted purchase history information is sorted from a lower final purchase price, and providing the price comparison list to the user device.

In the step (c), when the final purchase price included in the purchase history information is the same, a price comparison list is generated to preferentially sort the purchase history information with a small number of coupon information applied to the purchase history information. I can.

In addition, the method of providing a price comparison list by the service device of the present invention may further include (d) receiving and storing coupon information applicable for each product from the shopping mall server.

Here, in step (c), by comparing coupon information stored in step (d) with coupon information stored in step (d) with the coupon information included in the extracted purchase history information, the coupon information applied is expired or the (d) If there is no coupon information that matches the coupon information stored in step ), the final purchase price is corrected by adding to the final purchase price by the amount discounted by the applied coupon information, and purchase history information from the order of the lower corrected final purchase price. You can create a price comparison list that is calibrated so that it is aligned.

In addition, the step (c), by comparing the coupon information stored in the previously applied coupon information included in the extracted purchase history information and the coupon information stored in the step (d), coupon information additionally applicable in addition to the coupon information applied to the ( If stored in step d), the final purchase price is corrected by subtracting the amount that can be discounted by the additionally applicable coupon information from the final purchase price, and the purchase history information is corrected so that the corrected final purchase price is sorted from the lowest order. You can create a price comparison list.

Next, a method of providing a price comparison list by a system according to an embodiment of the present invention for solving the above problems is: (a) When a shopping mall server provides purchase history information for each user to a service device, the service device Collecting purchase history information; (b) requesting, by the user device, a price comparison for a specific product from the service device; (c) when there is a request for price comparison for a specific product from the user device, the service device extracting purchase history information including a purchase history of the specific product from among the purchase history information for each user collected from the shopping mall server; And (d) generating, by the service device, a price comparison list such that the extracted purchase history information is sorted from the order of the lowest final purchase price, and providing the generated price comparison list to the user device.

In addition, a method of providing a price comparison list by a system according to an embodiment of the present invention includes: (e) When a shopping mall server transmits coupon information applicable for each product to the service device, the service device provides a coupon applicable for each product. Receiving and storing information; And (f) the service device compares the coupon information for application included in the extracted purchase history information with the coupon information stored in step (e) to correct the final purchase price, and from the order in which the corrected final purchase price is lower. The method may further include generating a price comparison list corrected so that purchase history information is aligned and providing the corrected price comparison list to a user device.

Here, in step (f), coupon information that has been applied in step (e) is stored in step (e) when the coupon information that has been applied has expired or that the coupon information that has been applied in the extracted purchase history information is stored in step (e). If there is no coupon information consistent with the applied coupon information, the final purchase price is corrected by adding to the final purchase price by the amount discounted by the applied coupon information, and coupon information additionally applicable in addition to the applied coupon information is provided in step (e) above. If stored, the final purchase price may be corrected by subtracting the final purchase price by an amount that can be discounted by the additionally applicable coupon information.

Next, a computer-readable recording medium in which a program for performing a method of providing a price comparison list by a service device according to an embodiment of the present invention for solving the above problems may be provided.

According to the present invention, the user is provided with a price comparison list arranged based on the final purchase price included in the purchase history information of another user, so that the lowest price at which the user can actually purchase can be identified.

In addition, by receiving the purchase history information of other users included in the price comparison list, the user can easily identify applicable coupons and apply the coupons to help purchase products at the lowest price.

In addition, by comparing the coupon information for each product transmitted from the shopping mall server and coupon information included in the purchase history information, the final purchase price is corrected, and a corrected price comparison list arranged based on the corrected final purchase price is provided. As a result, the user can easily determine whether the coupon is applicable and whether additionally applicable coupons exist due to the difference between the time of purchase by another user and the time the user currently intends to purchase. By receiving the purchase price, a more accurate and reliable price comparison list can be provided.

1 is a block diagram showing the configuration of a system according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a service device according to an embodiment of the present invention.
3 is a flow chart showing the flow of the system according to an embodiment of the present invention.
4 is a flowchart illustrating a method of providing a price comparison list by a service device according to an embodiment of the present invention.

Hereinafter, a method of driving a user device, a service device, a shopping mall server, and each component according to the present invention will be described in detail with reference to the accompanying drawings. The described embodiments are provided so that a person skilled in the art can easily understand the technical idea of the present invention, and the present invention is not limited thereto. In addition, matters expressed in the accompanying drawings are schematic drawings for easy explanation of embodiments of the present invention and may be different from the actual implementation form.

Meanwhile, each component expressed below is only an example for implementing the present invention. Accordingly, in other implementations of the present invention, other components may be used without departing from the spirit and scope of the present invention. In addition, each component may be implemented with purely hardware or software, but may be implemented with a combination of various hardware and software components that perform the same function.

In addition, the expression'including' certain elements is an expression of'open type' and simply refers to the existence of the corresponding elements, and should not be understood as excluding additional elements.

And, when a component is referred to as being'connected' or'connected' to another component, it should be understood that it may be directly connected/connected to the other component, but other components may exist in the middle. do.

Hereinafter, a system according to an embodiment of the present invention will be described with reference to FIG. 1.

Referring to FIG. 1, a system according to an embodiment of the present invention may include a user device 100, a service device 200, a shopping mall server 300, and a communication network 400.

The user device 100 requests a price comparison for a specific product from the service device 200 through the communication network 400, and receives a price comparison list from the service device 200, through the price comparison list, the shopping mall server ( 300) can be accessed to perform product purchase payment.

The user device 100 may be applied to any user device equipped with a communication function and a short-range communication function. For example, notebook computers, wireless communication terminals, smart phones, portable media players (PMPs), personal digital assistants (PDAs), tablet PCs, set-top boxes, smart TVs, etc. It can be a variety of devices.

The service device 200 may communicate with the user device 100 or the shopping mall server 300 through the communication network 400, and may collect purchase history information for each user from the shopping mall server 300, and the user device When there is a price comparison request for a specific product from (100), the purchase history information including the purchase history of the specific product is extracted from the purchase history information, so that the extracted purchase history information is sorted from the order of the lowest final purchase price. A price comparison list may be created, and the price comparison list may be provided to the user device 100.

In addition, the service device 200 may receive and store coupon information applicable for each product from the shopping mall server 300, and compare coupon information applicable for each product with coupon information applicable to each product, and compare the coupon information applicable for each product. The purchase price may be corrected, and the corrected price comparison list may be generated and provided to the user device 100 so that purchase history information is arranged from the order in which the corrected final purchase price is lower.

The service device 200 may be implemented in the form of a web server or a swap server. In addition, in terms of hardware, it can be implemented in the same configuration as a typical web server or swap server, and in software, any language such as C, C++, Java, Visual Basic, Visual C, etc. A program module that is implemented through and performs various functions may be included.

A detailed description of the service device 200 will be made with reference to FIG. 2.

The shopping mall server 300 is a server providing an Internet shopping mall and includes a plurality of shopping mall servers.

The shopping mall server 300 may transmit purchase history information for each user to the service device 200 or may transmit coupon information applicable for each product.

The shopping mall server 200 may be implemented in the form of a web server or a WAB server. In addition, in terms of hardware, it can be implemented in the same configuration as a typical web server or swap server, and in software, any language such as C, C++, Java, Visual Basic, Visual C, etc. A program module that is implemented through and performs various functions may be included.

The communication network 400 is a network connecting the user device 100, the service device 200, and the shopping mall server 300, and refers to all communication networks capable of wired/wireless communication. It may be a closed network such as a local area network (LAN) or a wide area network (WAN), and is preferably an open type such as the Internet. The Internet is the TCP/IP protocol and several services that exist in the upper layer, namely HTTP (HyperText Transfer Protocol), Telnet, FTP (File Transfer Protocol), DNS (Domain Name System), SMTP (Simple Mail Transfer Protocol), SNMP ( It refers to a global open computer network structure that provides Simple Network Management Protocol), Network File Service (NFS), and Network Information Service (NIS).

Hereinafter, a service device 200 according to an embodiment of the present invention will be described with reference to FIG. 2.

Referring to FIG. 2, a service device 200 according to an embodiment of the present invention includes a communication unit 210, a purchase history collection unit 220, a purchase history extraction unit 230, and a price comparison list providing unit 240. , Coupon information storage unit 250 and may include a control unit 260.

The communication unit 110 is a communication means that interconnects the user device 100 or the shopping mall server 300 to transmit and receive data through the communication network 400, and includes wireless communication modules such as mobile communication and satellite communication, and the Internet. It may include a wired communication module, a short-range wireless communication module such as Wi-Fi, and the like.

The purchase history collection unit 220 may collect purchase history information for each user from the shopping mall server 300. In addition, when a purchase payment for a product is completed from another user device, purchase history information generated according to the purchase payment may be collected in real time. The purchase history information can store and provide purchase history information among servers that provide social network services, social commerce, or personal website services as well as shopping mall server 300 and other user devices. It can be provided from any server.

Such purchase history information may include user identification information, a product to be purchased, a purchase time, a name of a shopping mall to be purchased, a link to access a shopping mall server, coupon information for use, or a final purchase price.

The user identification information may include a user name, a shopping mall ID, a phone number, or a payment method.

The coupon information applied may include an expiration date, a discount amount, or a source for which the coupon was issued.

The purchase history collection unit 220 may collect purchase history information, classify it by product or shopping mall server, and store it in a database.

When there is a price comparison request for a specific product from the user device 100, the purchase history extraction unit 230 retrieves purchase history information including a purchase history of a specific product among the purchase history information collected by the purchase history collection unit 220. Can be extracted.

In addition, the purchase history extraction unit 230 analyzes not only the purchase history information including the specific product, but also the purchase history information collected by the purchase history collection unit 220, and the purchase history including the products highly related to the specific product. Information may be extracted, or purchase history information including products with high purchase performance of users may be extracted based on products that are highly related to a specific product.

The price comparison list providing unit 240 generates a price comparison list so that the purchase history information extracted from the purchase history extraction unit 230 is sorted from the order of the lowest final purchase price, and transfers the price comparison list to the user device 100. Can provide.

That is, based on the purchase history information extracted by the purchase history extraction unit 230, a price comparison list is generated so that the extracted purchase history information is sorted from the order in which the final purchase price included in the purchase history information is low.

The price comparison list is sorted based on the final purchase price, but because purchase history information is provided, the user device receiving the price comparison list clicks the purchase history information included in the price comparison list to purchase the purchase history information included in the purchase history information. You can check the history.

In addition, the user can access the shopping mall server 300 by clicking a link for accessing the purchase shopping mall server included in the purchase history information by using the user device 100 and purchase a specific product.

In addition, the price comparison list providing unit 240 extracts purchase history information including products that are highly related to a specific product from the purchase history extraction unit 230, or based on a product that is highly related to a specific product, the purchase of users Even when purchase history information including products with high performance is extracted, a price comparison list may be generated so that the extracted purchase history information is sorted from the order of the lowest final purchase price based on the final purchase price.

In addition, when purchase history information for a specific product, purchase history information including products with high purchase performance, or purchase history information including products with high purchase performance are simultaneously extracted, each purchase history information is grouped to The purchase history information group is arranged first, but the order of the final purchase price is low, and the purchase history information group including the products with high relations or the purchase history information group including the products with high purchase performance is used for the specific product. It is arranged to be sorted after the purchase history information group, but the final purchase price can be sorted from the lowest. It should be noted that such an alignment method is only an exemplary embodiment, and is not limited thereto.

When the final purchase price included in the purchase history information is the same, the price comparison list providing unit 240 may preferentially sort the purchase history information in which the number of coupon information applied to the purchase history is the same.

The reason for the priority ordering of purchase history information with a small number of coupon information applied is that the lower the number of coupon information applied, the lower the cost of the product, and at the same time, there is a greater room for additional coupon application. This is because the likelihood of purchasing a product at a lower price than the final purchase price shown on the list increases.

The coupon information storage unit 250 may receive and store coupon information applicable for each product from the shopping mall server 300.

In this case, the coupon information received from the shopping mall server 300 may be the coupon itself, or may be information about a method, condition, expiration date, coupon identification number, etc. for applying the coupon.

The price comparison list providing unit 240 compares the coupon information stored in the coupon information storage unit 250 with the coupon information applied to the coupon included in the extracted purchase history information, corrects the final purchase price, and corrects the final purchase price. It is possible to create a price comparison list corrected so that purchase history information is sorted from the lowest order.

That is, when explaining in more detail a method of correcting the final purchase price by comparing the coupon information for application included in the extracted purchase history information with the coupon information stored in the coupon information storage unit 250, the extracted purchase history information When the coupon information applied is expired, or the coupon information included in the extracted purchase history information does not match the coupon information stored in the coupon information storage unit 250, the coupon information When the final purchase price is corrected by adding the discounted amount to the final purchase price, and coupon information that is additionally applicable in addition to the previously applied coupon information is stored in the coupon information storage unit 250, the additionally applicable coupon information The final purchase price can be corrected by subtracting the final purchase price by the amount that can be discounted.

Through the above configuration, the user can easily determine whether the coupon is applicable and whether additionally applicable coupons exist due to the difference between the time of purchase by another user and the time the user currently intends to purchase. By receiving the corrected final purchase price that has been considered, a more accurate and reliable price comparison list can be provided.

The controller 260 may control the operation and function of each component.

Hereinafter, a method for providing a price comparison list by the system according to an embodiment of the present invention will be described with reference to FIG. 3.

Referring to FIG. 3, when the shopping mall server provides purchase history information for each user to a service device, the service device collects purchase history information (S110). Here, the shopping mall server may include a plurality of shopping mall servers.

The user device requests a price comparison for a specific product from the service device (S120).

When there is a price comparison request for a specific product from the user device, the service device extracts purchase history information including purchase history of the specific product from the purchase history information for each user collected from the shopping mall server (S130).

Thereafter, the service device generates a price comparison list such that the extracted purchase history information is sorted from the order of the lowest final purchase price, and provides the generated price comparison list to the user device (S140 and S150). Here, when the final purchase price included in the purchase history information is the same, a price comparison list is created to preferentially sort the purchase history information with a small number of coupon information included in the purchase history information, and the generated price comparison Lists can be provided to user devices.

In addition, when the shopping mall server transmits coupon information applicable for each product to the service device, the service device receives and stores coupon information applicable for each product (S160).

The service device compares coupon information included in the extracted purchase history information with coupon information received and stored from the shopping mall server (coupon information stored in step S160), corrects the final purchase price, and corrects the final purchase. The corrected price comparison list is generated so that purchase history information is sorted from the lowest price, and the corrected price comparison list is provided to the user device (S170 and S180).

Here, the method of compensating the final purchase price by comparing the applied coupon information included in the extracted purchase history information with the coupon information received and stored from the shopping mall server is the validity period of coupon information included in the extracted purchase history information. If this has passed or there is no coupon information that matches the coupon information stored and received from the shopping mall server in the coupon information included in the extracted purchase history information, the final purchase price is the amount discounted by the coupon information applied. In addition, if the final purchase price is corrected and additionally applicable coupon information other than the applied coupon information is received and stored from the shopping mall server, the final purchase price is subtracted by the amount that can be discounted by the additionally applicable coupon information. Can be corrected.

Hereinafter, a method of providing a price comparison list by a service device according to an embodiment of the present invention will be described with reference to FIG. 4.

Referring to FIG. 4, a method of providing a price comparison list by a service device according to an embodiment of the present invention includes, by the service device, collecting purchase history information for each user from a shopping mall server; (S210), the service device is a user When there is a price comparison request for a specific product from the device, extracting purchase history information including purchase history of the specific product from the collected purchase history information; (S220) and the service device determines the extracted purchase history information Generating a price comparison list so that the purchase price is sorted from the lowest order, and providing the price comparison list to the user device; (S230).

In the step S230, when the final purchase price included in the purchase history information is the same, a price comparison list is generated so that the purchase history information having a small number of coupon information included in the purchase history information is preferentially arranged. I can.

In addition, the service device receiving and storing coupon information applicable for each product from the shopping mall server; (S240) may be further included.

The step (S230) is, by comparing the coupon information stored in step (S240) with coupon information stored in the extracted purchase history information, and the coupon information has passed the validity period or step (S240) If there is no coupon information that matches the coupon information stored in, the final purchase price is corrected by adding to the final purchase price by the amount discounted by the coupon information applied above, and the purchase history information is sorted from the order of the lowest corrected final purchase price. You can create a price comparison list that has been calibrated as possible.

In addition, the step (S230), by comparing the coupon information stored in the previously applied coupon information included in the extracted purchase history information and the coupon information stored in the step (S240), coupon information that can be additionally applied in addition to the coupon information applied to the ( If stored in step S240), the final purchase price is corrected by subtracting the amount that can be discounted by the additionally applicable coupon information from the final purchase price, and the purchase history information is corrected so that the corrected final purchase price is arranged from the lowest order. You can create a price comparison list.

According to another aspect of the present invention, a method of providing a price comparison list by a service device according to an embodiment of the present invention may be recorded as a program and recorded on a recording medium readable by an electronic device.

A method of providing a price comparison list by such a service device can be written in a program, and codes and code segments constituting the program can be easily inferred by a programmer in the art. In addition, a program for a method of providing a price comparison list by a service device is stored in an information storage medium that can be read by an electronic device, and can be read and executed by an electronic device.

In the above, the service device according to an embodiment of the present invention provides a price comparison list and the system provides a price comparison list, although the categories are different, the user device and service according to an embodiment of the present invention It may include substantially the same technical features as the device, shopping mall server, and system. Accordingly, the features described above with respect to the user device, the service device, the shopping mall server, and the system can be naturally inferred and applied to the invention of a method for a service device to provide a price comparison list and a method for a system to provide a price comparison list.

The embodiments of the present invention described above are disclosed for purposes of illustration, and the present invention is not limited thereto. In addition, those of ordinary skill in the technical field of the present invention will be able to make various modifications and changes within the spirit and scope of the present invention, and these modifications and changes should be viewed as belonging to the scope of the present invention.

In the present invention, the service device collects purchase history information of other users, creates a lowest price comparison list based on the final purchase price included in the purchase history information, and provides it to the user device, so that other users included in the price comparison list Provides the lowest price comparison list based on the purchase history information that can provide the most ideal lowest price at the time of purchase, making it possible to easily identify other users' purchase method and coupon information by referring to the purchase history information of It can be used to provide service devices, systems and methods for

100: user device 200: service device
300: shopping mall server 400: communication network
210: communication unit 220: purchase history collection unit
230: purchase history extraction unit 240: price comparison list providing unit
250: coupon information storage unit 260: control unit

Claims (16)

In a service device that provides a price comparison list,
A communication unit that communicates with a user device or a shopping mall server through a communication network;
A purchase history collection unit for collecting purchase history information for each user from the shopping mall server;
A purchase history extraction unit for extracting purchase history information including purchase history of a specific product from among purchase history information collected by the purchase history collection unit when a price comparison request for a specific product is received from the user device; And
A price comparison list providing unit generating a price comparison list such that purchase history information extracted from the purchase history extracting unit is sorted from a lower final purchase price, and providing the price comparison list to the user device;
Including,
The price comparison list providing unit,
When the final purchase price included in the purchase history information is the same, the price comparison list is generated so that purchase history information having a small number of coupon information included in the purchase history information is preferentially arranged. .
delete delete delete delete delete delete In a method for a service device to provide a price comparison list,
(a) collecting purchase history information for each user from the shopping mall server;
(b) when there is a request for price comparison for a specific product from a user device, extracting purchase history information including a purchase history of a specific product from the collected purchase history information; And
(c) generating a price comparison list such that the extracted purchase history information is sorted from the lowest final purchase price, and providing the price comparison list to the user device;
Including,
The step (c),
When the final purchase price included in the purchase history information is the same, the price comparison list is generated so that purchase history information having a small number of coupon information included in the purchase history information is preferentially arranged. How to provide a price comparison list.
delete delete delete delete delete delete delete delete

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