KR20010113076A - A method for using a computer to mediate contract on the network between sellers and buyers, and a server thereof - Google Patents

Abstract

The present invention to facilitate the establishment of the contract between the buyer or seller participating in the sales contract through the network, and to be able to conveniently contract,

In the sales contract brokering method of the present invention, after the seller or the buyer enters the sales information, the buyer or the seller may propose a new condition different from the sales information, and the seller or the buyer may be in a new condition different from the sales information. To modify the sales information, and the buyer or seller to enter into the contract by accepting the sales information,

In order to implement the method, the sales contract brokerage server of the present invention generates a trade, participates in the generated trade, modifies the trade information, ends the sale, provides the trade information, establishes a contract, and executes the contract. Each module for notifying a result, a central processing unit for overseeing the performance of each module, and a database unit provided for the performance of the modules.

Description

A METHOD FOR USING A COMPUTER TO MEDIATE CONTRACT ON THE NETWORK BETWEEN SELLERS AND BUYERS, AND A SERVER THEREOF}

The present invention relates to a sales contract brokering method and a sales contract mediation server using a computer,

In the sales contract brokering method of the present invention, after the seller or the buyer enters the sales information, the buyer or the seller may propose a new condition different from the sales information, and the seller or the buyer may be in a new condition different from the sales information. To modify the sales information, and the buyer or seller to agree to the sales information to establish a contract,

In order to implement the method, the sales contract brokerage server of the present invention generates a trade, participates in the generated trade, modifies the trade information, ends the sale, provides the trade information, establishes a contract, and executes the contract. It relates to a server comprising each module for notifying a result, a central processing unit for overseeing the performance of each module, and a database unit provided for the performance of the modules.

As is well known, in entering into a sales contract, the seller's or buyer's offer, the usual contract method in which the contract is concluded by the buyer's or seller's acceptance of the offer, and the seller or buyer creates an auction and the buyer or seller Is an auction method that participates in the auction and presents a price, and auction method is generally considered to be a contract with a buyer or seller who has offered the highest or lowest price for a certain period of time and a seller or buyer who has created the auction.

The contract conclusion method is a widely used method in commerce, but as the network network technology is developed, a contract brokerage method and system on a network that implements the method has been attempted.

However, the contract brokering methods have the following disadvantages.

In other words, the contract method consisting of simple subscription and acceptance requires the other party to be designated for each subscription or acceptance, and the other party must respond individually to each subscription or acceptance, so that a transaction can be made with one of multiple sellers or buyers. The disadvantage is that the transaction process becomes complicated and the possibility of duplicated contracts is increased.

In addition, the auction method has a disadvantage that the seller or the buyer who created the auction must wait until the action of the buyer or seller participating in the auction ends, so that the buyer's response cannot be changed.

The present invention is to solve such a problem, an object of the present invention is to conclude a sales contract in a sales contract intermediation server connected to the network, and when the contract is brokered, the function of modifying the terms of sale by the person who created the sales and The other party can participate in the sale under the new terms, thereby increasing the efficiency of the conclusion of the sale contract, and if the product to be sold is a textile product, the contract details are made clear by disclosing information on the creator of the sale and the ingredient ratio of the textile product. It provides a way to make it possible, and implements a server that provides the method.

1 is a diagram illustrating an example of a sales contract brokerage system to which a sales contract brokerage server using a computer as a first embodiment of the present invention is applied.

2 is a view showing the detailed configuration of the sales contract brokerage server in the first embodiment according to the present invention.

3 is a flowchart illustrating a sales contract brokering method according to the first embodiment of the present invention in each module step.

4 to 9 are flowcharts showing each detailed step performed by the sales generation module, inquiry and acceptance module, sales participation module, sales modification module, sales termination module, and result notification module in the first embodiment of the present invention.

10 is a diagram illustrating an example of a purchase contract brokerage system to which a purchase contract brokerage server using a computer as a second embodiment of the present invention is applied.

11 is a view showing the detailed configuration of the purchase agreement mediation server in a second embodiment according to the present invention.

12 is a flowchart illustrating a purchase contract brokering method according to the second embodiment of the present invention in each module step.

13 to 18 are flowcharts illustrating each detailed step performed by the purchase generation module, the inquiry and acceptance module, the purchase participation module, the purchase modification module, the purchase end module, and the result notification module in the second embodiment of the present invention.

In order to achieve the above object, the sales contract brokering method according to the present invention proceeds by distinguishing between (1) sales contract mediation and (2) purchase contract mediation in a sales contract mediation server connected to a network of a buyer interface and a seller interface.

In the case of a sales contract brokerage, the seller receives the sales information including the object or service (hereinafter referred to as an item) and sales conditions of the item from the seller, provides the buyer with the sales information, and provides the seller and the buyer. A contract is established, and after the sale is finished, the contract result is notified.

The sale end step ends the sale when the validity period of a predetermined time elapses after receiving the sale information,

The purchaser provided with the sale information may participate under a new condition different from the seller's sale information, and the seller may modify the sale information with a sale condition different from the previously entered sale condition. When the modified sales condition is price information, it is preferable to limit the price to less than a predetermined price.

The contract is established when the seller accepts the buyer's participation information or when the buyer accepts the seller's terms of sale.

When the item is a textile product, it is preferable to input the component ratio of the textile product as sales information. When providing the sales information of the textile product, information about the component ratio of the textile product, a sales providing region, and a sales company is provided. It is preferable to provide including.

In the case of a purchase contract brokerage, the buyer receives the purchase information including the item to be purchased and the purchase conditions of the item, provides the seller with the purchase information, establishes a contract between the buyer and the seller, and makes a purchase. After finishing, notify the contract result.

The purchase end step ends the purchase when the valid period of time has elapsed after receiving the purchase information,

The seller who has received the purchase information may participate under a new condition different from the purchase information of the buyer, and the buyer may modify the purchase information under a condition different from the previously purchased purchase condition. When the purchase condition to be modified is price information, it is preferable to limit the purchase price to exceed the predetermined price.

The establishment of the contract is concluded when the buyer accepts the seller's participation information or when the seller accepts the purchase conditions of the buyer.

When the item is a textile product, it is preferable to input the component ratio of the textile product as purchase information. When providing the purchase information of the textile product, information about the component ratio of the textile product, a sales providing region, and a sales company is provided. It is preferable to provide including.

In order to achieve the above object, a sales contract brokerage server according to the present invention includes (1) a component for a sales contract brokerage and (2) a component for a purchase contract brokerage by separately including a sales contract brokerage server and a purchase. Each can be configured as a contract intermediary server.

The sales contract intermediation server according to the present invention is connected to the network with the buyer interface and the seller interface,

A sales generation module for generating sales by receiving sales information including items and sales conditions of the items from a seller; A sales participation module that provides a function for the buyer to participate in the sale generated by the sales generation module under a new purchase condition; A sales modification module for providing a function of the seller to modify the generated sales information of the sale; A sale termination module which maintains the generated sale for a certain period and ends the sale if a contract is not established within the period; An inquiry and acceptance module for providing sales information of a sale generated by a seller and participation information participated in by a buyer, and establishing a contract when the sales information or participation information is accepted; A result notification module for notifying the seller who created the sale and the buyer who participated in the sale of the result of the contract establishment; A central processing unit that manages the execution of the modules; A database unit provided to perform the modules; It includes.

The database unit includes a buyer database for storing buyer information; A seller database for storing seller information; A sales database for storing sales information generated by the seller; Participation database for storing the history of the participation information that the buyer participated in the sale; A contract database that stores matters relating to contracts established by the purchaser to the sales information or the seller to the participation information; And a variable database for storing variables for performing the sale termination module.

The purchase contract intermediation server according to the present invention is connected to the seller interface and the buyer interface to the network,

A purchase generation module for receiving a purchase information including an item and a purchase condition of the item from a purchaser and generating a purchase; A purchase participation module providing a function of the seller participating in a new condition in the purchase generated by the purchase generation module; A purchase modification module for providing a function for the buyer to modify the generated purchase information of the purchase; A purchase termination module for maintaining the generated purchase for a predetermined period and terminating the purchase if a contract is not established within the period; An inquiry and acceptance module for providing purchase information of a purchase generated by a buyer and participation information participated in by a seller, and establishing a contract when the purchase information or participation information is accepted; A result notification module for notifying the buyer who created the purchase and the seller who participated in the purchase of the result of the contract establishment; A central processing unit that manages the execution of the modules; A database unit provided to perform the modules; It includes.

The database unit may include a seller database that stores seller information; A buyer database for storing buyer information; A purchase database for storing purchase information generated by the buyer; Participation database for storing the history of the participation information that the seller participated in the purchase; A contract database that stores matters relating to contracts established by the seller to the purchase information or the buyer to the participation information; And a variable database for storing variables for performing the purchase termination module.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 9 relate to a sales contract brokering method and a server of a first embodiment of the present invention, Figures 10 to 18 relates to a purchase contract brokering method and a server of a second embodiment of the present invention.

Hereinafter, a sales contract brokering method and a server according to the first embodiment of the present invention will be described in detail.

1 is a diagram illustrating an example of a sales contract brokerage system to which a sales contract mediation server using a computer according to an embodiment of the present invention is applied.

As shown in FIG. 1, the sales contract brokerage system of an embodiment of the present invention includes a buyer interface 110, a sales contract brokerage server 100, and a seller interface 140.

The buyer interface 110 is an interface provided to a buyer participating in a sales contract with reference to the trading information generated by the seller. The terminal of any two-way communication network can also be the interface, and can be, for example, a web browser appearing on the purchaser's computer.

The seller interface 140 is an interface provided to the seller generating the sale. The terminal of any two-way communication network can also be the interface, and can be, for example, a web browser appearing on a merchant computer.

Each of the interfaces 110 and 140 is connected to the sales contract intermediation server 100 through an interactive communication network, and is preferably connected to a network such as a public switched telephone network (PSTN) or a local area network (LAN). The connection may be connected via PCS, satellite communication, or the like as well as through a wire.

Each of the interfaces 110 and 140 is provided with data conversion units 120 and 130 for transmitting and receiving data to and from the sales contract intermediation server 100. The data converters 120 and 130 may convert a data to be suitable for transmitting data through a network formed between the interfaces 110 and 140 and the sales contract intermediation server 100, such as a modem or a lan-card. It may include a device.

The sales contract intermediation server 100 is a device that performs a core function of contract mediation, and is responsible for generating actual sales and mediation of contract procedures. For example, the web server may be configured to perform a contract procedure. The web server may include a component for sending and receiving mail as well as posting a homepage.

2 is a view showing a detailed configuration of the sales contract brokerage server 100 in the embodiment according to the present invention.

As shown in FIG. 2, the sales contract brokerage server 100 includes a plurality of modules 215 to 240 forming detailed functions of the sales contract brokerage server 100, and a database unit provided to perform the modules. 250, a central processing unit 210 on which the modules are performed, the central processing unit 210 is connected to the buyer and seller interfaces 110 and 140 via a network interface 290.

The modules 215 to 240 may include a sales generation module 215, a sales participation module 220, a sales modification module 225, a sales termination module 230, an inquiry and acceptance module 235, and a result notification module ( 240).

The sales generation module 215 provides a function of generating sales according to the form provided by the central processing unit 210, and the sales participation module 220 provides a sale to the sales generated by the sales generation module 215. It provides a function to participate, the sales modification module 225 provides a function for the seller to modify the sales information of the generated sale.

The end-of-sale module 230 sets a maintenance period of the generated sale, maintains the sale during the period, and provides a function of canceling the sale if a contract is not established within the period.

The inquiry and approval module 235 provides a function of inquiring sales information of a sale generated by a seller and participation information of a buyer, and establishing a contract by accepting the sale information or participation information.

The result notification module 240 provides a function of notifying the seller who created the sale and the buyer who participated in the sale of the result of the contract.

The database unit 250 includes a buyer database 255 for storing buyer information, a seller database 260 for storing seller information, a sales database 265 for storing sale information generated by a seller, and a buyer participating in a sale. Participation database (270) for storing the history of the participation information, contract database (275) for storing the matters relating to the contract established by the buyer to the sales information, or the seller to the participation information, and the end of sales module 235 A variable database 280 that stores variables for performing < RTI ID = 0.0 >

3 is a flowchart illustrating a contract brokering method according to an embodiment of the present invention in each module step.

The seller generates a sale by accessing the sales contract intermediation server 100 through the seller interface and inputting the sale information (S310). When generating the sale, it is desirable to be able to input the buyer restriction information restricting the object of the buyer.

The buyer and the seller inquire the participation history in which the buyer participates with respect to the generated sale, and the modified information in which the seller revises the sale information (S320).

The buyer who inquires the information participates by inputting participation information in the sale (S330), and the seller who inquires the information may modify the sale information (S340).

The participation information may include contract terms different from the sales information of the sale generated by the seller, and the sale information modification of the seller may include contract terms different from the participation information of the buyer. At the time of the modification, it is preferable to be able to modify the price, delivery date and only the buyer restriction information set in the sales generation step (S310).

The buyer may conclude the contract by accepting the seller's sales information, and the seller may establish the contract by accepting the buyer's participation information (S320).

Participation of the buyer and modification of the seller's sales information are maintained for a predetermined time (S350).

If the predetermined time has elapsed, a result of the sale is notified (S360).

4 to 9 are flowcharts showing detailed steps that each module performs in the embodiment of the present invention. Hereinafter, the steps performed for each module will be described.

4 is a flowchart showing the detailed steps performed by the sales generation module 215 in the embodiment of the present invention.

The seller connects to the sales contract brokerage server 100 and selects the sales generation module 215 (S405). The tool that allows the seller to select the sales generation module 215 may be included in the seller's initial access screen, inquiry screen or other screen.

The sales generation module 215 transmits a selection tool for selecting an item to be sold to the seller (S410). The selection tool may be an electronic document including a list of items, and may include a search tool for searching for an item.

When the electronic document includes a list of items, the included list may be a list of items classified by size or price. When the list of items is about fiber, the list included according to the composition ratio of the fiber may be included. It is desirable to.

When the electronic document includes a search tool, and the seller searches for an item through the search tool, the sales generation module 215 transmits the electronic document including the searched item list to the seller.

The seller selects an item to create a sale through the sent electronic document (S415).

The sales generation module 215, which has received the selection information, sends a document including a form for inputting details of sales to be generated to the seller (S420).

In the input form, it is preferable to be able to input the buyer restriction information restricting the object of the buyer. The restriction information includes any information that may be the subject of the buyer's country, company or other restrictions.

Seller inputs the details in the form and transmits to the sales generation module 215 through the seller interface (S425).

The sales generation module 215 that has received the details determines whether the input of the details is correct (S430). If the input is not correct, the sales generation module 215 proceeds to the sales detail input form dispensing step (S420). When sending the sales details input form from the determination step (S430), it is preferable to display the previously entered details and allow the seller to newly input only the incorrectly entered items.

In the determination step (S430), it is preferable to set the matters related to the delivery, such as the price, the delivery date and the date of shipment, and the quantity information as essential input items.

If it is determined that the input is correct in the determination step (S430), the sales details input information is sent to the seller (S435), and the seller confirms and confirms the transmission information (S440).

The sales generation module 215 receiving the approval signal generates a sale according to the approved sales generation details (S445).

When a sale is generated, an expiration date during which the sale is maintained is designated, and the expiration date may be automatically designated by the sales contract intermediation server 100 when it is not designated by the seller.

If the generated sale includes buyer restriction information, the user who is included as a buyer by the restriction is notified of the generation of the sale. The notification preferably includes sending an e-mail to the user included as the buyer that the sale was created.

The sales generation module 215 generating the sales updates the sales database 265 based on the generated sales details (S450). When updating the sales database 265, the sales information including the sales details, the sales generation date, and the validity period of sales entered by the seller are recorded.

5 is a flowchart showing the detailed steps performed by the inquiry and approval module 235 in the embodiment of the present invention.

The buyer or seller accesses the sales contract intermediation server 100 (S510, S540), and selects the inquiry and acceptance module 235 (S512, S542).

The sales contract intermediation server 100 provides a buyer or a seller with a tool for selecting an inquiry condition for inquiring a sale in progress (S570).

The selection tool includes a tool for designating the kind of goods or services to be sold, and if the sale target is a fiber, the tool includes a tool for designating a component ratio of the fiber, a sales providing region, and a sales company. It is desirable to.

The buyer or seller inputs an inquiry condition to be inquired through the sent selection tool (S514, S544). When entering the inquiry condition, it is preferable to allow the entry of one or more conditions.

The inquiry and acceptance module 235 receiving the inquiry condition searches for a sales list corresponding to the input inquiry condition from the database unit 250 (S572).

In the case where the sale includes the buyer restriction information when searching the sales list, it is preferable to exclude from the search target when the buyer who selects the inquiry is not a user who can become a buyer by the buyer restriction information.

The inquiry and approval module 235 transmits the searched sales list to the purchaser interface 110 or the seller interface 140 (S574).

The sales list includes a sales identification code (hereinafter referred to as an ID), an item name, quantity, price, and an expiration date. If the sale target is a textile product, the sales list further includes seller information such as a seller company and a country. Do.

The buyer or seller checks the sales list (S516, S546). The sales list is provided with a tool for requesting detailed information about sales items included in the list. The tool is set up to call the inquiry and approval module 235 to retrieve detailed information from the sales list created in the form of an electronic document.

The buyer or seller who has inquired the sales list may request detailed information about the sales items included in the list (S518 and S548). The inquiry and approval module 235 received the request retrieves detailed information from the database unit 250 (S576).

The inquiry and approval module 235 which retrieves detailed information transmits the retrieved detailed information to the purchaser or the seller (S578).

The detailed information may include detailed information about an item to be sold, sale condition of the item, buyer participation information history, delivery condition of the item, sale creation date, sale validity period, and the like. Participant information history of the buyer preferably includes only information about the delivery date, price, quantity.

When sending the detailed information, the buyer acknowledgment means for the buyer to agree to the sales conditions, the seller acknowledgment means for the seller to agree to the buyer's participation information, the modification means hyperlinked with the sales modification module for changing the sales conditions, And a sales participation module and hyperlinked participation means for the buyer to enter new terms and conditions.

The buyer or seller confirms the detailed information by sending the detailed information (S520, S550).

After confirming the detailed information, the buyer determines whether to agree with the sale of the seller (S522). If the buyer does not agree with the determination step (S522), the buyer performs the purchaser participation step (S330) by executing the participating means. It can be presented by entering contract terms different from the sales information generated by.

If the seller agrees to the seller's sales condition in the determination step S522, the acceptance signal is sent to the inquiry and acceptance module 235 by executing the buyer acceptance means.

After confirming the detailed information, the seller determines whether to agree with the purchaser's participation information (S552), and if the seller does not agree in the determination step (S552), performs the modification means by executing the modification means (S340), Pre-set sales information can be modified.

When agreeing to the buyer's participation conditions in the determination step (S522) by executing the seller acceptance means transmits the acceptance signal to the inquiry and acceptance module 235.

The inquiry and acceptance module 235 which has received the acceptance signal from the buyer or seller sends detailed information of the contract to be established to the buyer or seller who sent the acceptance signal (S580).

The detailed information of the contract to be established includes sales conditions or participation information provided to the buyer or seller who sent the acceptance signal. In addition, if the seller or the buyer has a condition additionally attached to the sales condition or participation information, the detailed information of the contract includes the attachment condition.

The buyer or seller who has received the contract detail information checks the detailed information that has been sent (S526, S556).

The buyer or seller who confirms the contract detail information sent out approves the contract detail information (S528,558).

The inquiry and acceptance module 235 receiving the approval signal updates the contract database based on the contract detail information (S582).

6 is a flowchart showing the detailed steps performed by the sales participation module 220 of the embodiment according to the present invention.

As shown in Figure 6, during the inquiry and acceptance step (S320), if the buyer does not agree in the determination step (S522) to determine whether to agree to the seller's sales conditions, the buyer is the seller generated by the seller Participation conditions are determined based on a contract condition different from the information (S610). The participation conditions may include changing any of the above sales conditions, but it is desirable to be able to change only the matters regarding price, delivery date or shipping date.

The buyer, having determined the participation condition, transmits a participation signal to the sales participation module 220 by executing a participation means included when receiving the detailed information in the inquiry and acceptance step (S320) (S615).

The sales participation module 220 which has received the participation signal transmits a document including a form for inputting participation information to the purchaser (S620).

In the input form, it is preferable that the seller's sales conditions are displayed, and the buyer enters only the conditions to be modified.

The buyer inputs the details in the form and sends it to the sales participation module 220 through the buyer interface (S625).

The sales participation module 220 having received the details determines whether the input of the details is correct (S630), and if the input is not correct, proceeds to the step of transmitting the participation information input form (S620). When sending the participation information input form from the determination step (S630), it is preferable to display the previously entered participation information and allow the buyer to newly fill in only the incorrectly entered items.

In the determination step (S630), it is preferable to set information on matters and quantities related to delivery, such as price, delivery date and shipping date, as essential input items.

If it is determined that the input is correct in the determination step (S630), the participation information input information is sent to the buyer (S635), and the buyer confirms the transmission information and approves (S640).

The sales participation module 220 receiving the approval signal generates a participation according to the approved participation information (S645), and the sales participation module 220 that generates the participation updates the participation database 270 based on the participation information. (S650)

7 is a flowchart showing the detailed steps performed by the sales modification module 225 according to the embodiment of the present invention.

As shown in FIG. 7, if the seller disagrees in the determination step (S552) during the inquiry and approval step (S320) to determine whether the seller agrees to the participation condition of the buyer, the seller has already generated the sales information. It may be determined to modify the sales conditions different from the (S710). The modification includes modifying any of the terms of sale.

The seller who has determined the sales condition to be modified sends a correction signal to the sales modification module 225 by executing the correction means included when the detailed information is sent out in the inquiry and acceptance step S320 (S715).

The sales correction module 225, which has received the correction signal, transmits a document including a form for inputting a sales condition to be corrected to the seller (S720).

In the input form, it is preferable to display the seller's preset selling conditions, and the seller to input only the selling conditions to be modified.

The seller inputs the modified sales condition in the form and sends it to the sales modification module 225 through the seller interface (S725).

The sales correction module 225 which has received the details determines whether the input of the details is correct (S730), and if the input is not correct, proceeds to sending the correction information input form (S720). When the correction condition input form is sent from the determination step (S730), it is preferable to display pre-input sales information and allow the seller to newly input only the incorrectly entered items.

In the determination step (S730), it is preferable to set information on matters related to delivery and quantity, such as price, delivery date and shipping date, as essential input items.

In addition, it is preferable to determine that the price is corrected or the input is corrected so that the delivery date is delayed.

If it is determined that the input is correct in the determination step (S730), the modified sales conditions are sent to the buyer (S735), and the buyer confirms the transmission information and approves (S740).

The sales modification module 225 receiving the approval signal modifies the sale according to the approved modification condition (S745), and the sales modification module 225 correcting the sale opens the sales database 265 based on the modification condition. Update (S750).

8 is a flow chart showing the detailed steps performed by the end-of-sale module 230 of the embodiment according to the present invention.

As shown in FIG. 8, the end-of-sale module 230 retrieves a sales generation time (X) and an expiration date (Y) of the sale generated by the seller from a database (S810). The search searches the sales database 265 in the sales contract brokerage server 100 at a predetermined time interval while the sales contract brokerage server 100 is operating, and the predetermined time interval may be arbitrarily set.

The end-of-sale module 230 that searches for the sales generation time X and the expiration date Y, checks the current time Z (S820).

Next, the sale termination module 230 calculates a remaining valid period (T) from the sales generation time (X), sales validity period (Y) and the current time (Z) (S830).

The remaining valid period (T) is calculated by the following formula.

[Calculation 1]

T_ {1} = X_ {1} + Y_ {1}-Z_ {1}

As shown in Equation 1, the remaining valid period T_ {1} is obtained by adding the present time Z_ {1} to the time that the sales validity period X_ {1} is added to the sales validity period Y_ {1}. The value is subtracted.

It is determined whether the calculated remaining valid period T_ {1} is less than or equal to zero (S840).

If the remaining valid period is 0 or less by the calculation in the determination step (S840), it is understood that the sale is ended, and the end-of-sale module 230 ends the sale (S850), and generates a database based on the end-of-sale information. It is updated (S860). The database update records in the sales database 265 that the sale has ended.

After the database update step S860, the sale end step S350 ends.

If the remaining valid period exceeds 0 by the calculation in the determination step (S840), it is determined whether the buyer or the seller has consented (S870). The acceptance decision step (S870) may be determined by searching the contract database (275).

When it is determined that there is no approval in the approval decision step (S870), the end of the selling step (S350) proceeds to the inquiry and approval step (S320).

If it is determined in the acceptance judgment determination step (S870) that the approval has been performed, the process proceeds to the end step (S850).

9 is a flowchart showing the detailed steps performed by the result notification module 240 of the embodiment according to the present invention.

After the sale is terminated at the end of the selling step (S350) (S850) and after updating the sales database 265 (S860) (A), it is determined whether the sale is terminated by the consent of the buyer or the seller (S910). The acceptance decision step (S910) may be determined by searching the contract database 275.

If it is determined in the approval decision step (S910) that there was no approval, the sales result is notified to the seller who created the sale (S930).

If it is determined in the acceptance determination step (S910) that the acceptance was confirmed, after notifying the purchaser of the contract established by the approval (S920), and proceeds to the step of notifying the seller (S930).

The notice to the buyer or seller may include notification by any means, but when the sales contract intermediation server 100 publishes a homepage on the Internet, the notification of the purchaser or seller includes posting the result of the contract on the homepage. Preferably, when the buyer or seller is connected to the sales contract brokerage server 100 by a network, and there is an e-mail address assigned to the buyer or seller, the mail including the contract result is transmitted to the e-mail address. It is preferable to include the thing.

Hereinafter, a purchase contract brokering method and a server according to a second embodiment of the present invention will be described in detail.

10 is a diagram illustrating an example of a purchase contract brokerage system to which a purchase contract brokerage server using a computer according to an embodiment of the present invention is applied.

As illustrated in FIG. 10, the purchase contract brokerage system of the present invention includes a seller interface 1010, a purchase contract brokerage server 1000, and a buyer interface 1040.

The seller interface 1010 is an interface provided to a seller participating in a purchase contract by referring to the sale information generated by the buyer. The terminal of any two-way communication network can also be the interface, and can be, for example, a web browser appearing on a merchant computer.

The buyer interface 1040 is an interface provided to a buyer who makes a purchase. The terminal of any two-way communication network can also be the interface, and can be, for example, a web browser appearing on the purchaser's computer.

Each of the interfaces 1010 and 1040 is connected to the purchase contract intermediation server 1000 through an interactive communication network, and is preferably connected to a network such as a public switched telephone network (PSTN) or a local area network (LAN). The connection may be connected via PCS, satellite communication, or the like as well as through a wire.

Each of the interfaces 1010 and 1040 is provided with data converters 1020 and 1030 for transmitting and receiving data to and from the purchase contract intermediation server 1000. The data converters 1020 and 1030 convert a data so as to be suitable for transmitting data through a network formed between the interfaces 1010 and 1040 and the purchase contract intermediation server 1000. card) or the like.

The purchase contract intermediation server 1000 is a device that performs a core function of contract intermediation, and is responsible for generating actual purchase and intermediation of contract procedures. For example, the web server may be configured to perform a contract procedure. The web server may include a component for sending and receiving mail as well as posting a homepage.

11 is a view showing a detailed configuration of the purchase agreement mediation server 1000 in the embodiment according to the present invention.

As illustrated in FIG. 11, the purchase contract brokerage server 1000 includes a plurality of modules 1115 to 1140 forming detailed functions of the purchase contract brokerage server 1000, and a database unit provided to perform the modules. 1150, a central processing unit 1110 on which the modules are performed, and the central processing unit 1110 is connected to seller and purchaser interfaces 1010 and 1040 through a network interface 1190.

The modules 1115 to 1140 may include a purchase generation module 1115, a purchase participation module 1120, a purchase modification module 1125, a purchase termination module 1130, an inquiry and acceptance module 1135, and a result notification module ( 1140).

The purchase generation module 1115 provides a function of generating a purchase according to a form provided by the central processing unit 1110, and the purchase participation module 1120 provides a purchase to the purchase generated by the purchase generation module 1115. It provides a function to participate, and the purchase modification module 1125 provides a function for the buyer to modify the purchase information of the generated purchase.

The purchase termination module 1130 sets a maintenance period of the generated purchase, maintains the purchase for the period, and provides a function of canceling the purchase if a contract is not established within the period.

The inquiry and approval module 1135 provides a function of establishing a contract by inquiring purchase information of a purchase generated by a buyer and participation information in which a seller participates, and accepting the purchase information or participation information.

The result notification module 1140 provides a function of notifying the buyer who created the purchase and the seller who participated in the purchase of the result of the contract establishment.

The database unit 1150 may include a seller database 1155 storing seller information, a buyer database 1160 storing buyer information, a purchase database 1165 storing purchase information generated by a buyer, and a seller participating in a purchase. Participation database (1170) for storing the history of the participation information, the contract database (1175) for storing the information on the contract established by the seller to accept the purchase information, or the buyer to the participation information, and the purchase end module 1135 It includes a variable database 1180 that stores a variable for the performance of).

12 is a flowchart illustrating a contract brokering method according to an embodiment of the present invention in each module step.

The buyer generates a purchase by accessing the purchase contract intermediation server 1000 through the buyer interface and inputting purchase information (S1210). When generating the purchase, it is desirable to be able to input the seller restriction information for limiting the object of the seller.

The seller and the buyer inquire the participation history of the seller in relation to the generated purchase, and the modified information in which the buyer modifies the purchase information (S1220).

The seller who inquires the information participates by inputting participation information in the purchase (S1230), and the purchaser who inquires the information may modify the purchase information (S1240).

The participation information may include contract terms different from the purchase information of the purchase generated by the buyer, and the purchase information modification of the buyer may include contract terms different from the participation information of the seller. At the time of the modification, it is preferable to be able to modify the price, delivery date and only the seller restriction information set in the purchase generation step (S1210).

The seller may establish a contract by accepting the purchaser's purchase information, and the buyer may establish a contract by accepting the seller's participation information (S1220).

The seller's participation and the buyer's purchase information modification are maintained for a predetermined time (S1250).

If the predetermined time has elapsed, a result of the purchase is notified (S1260).

13 to 18 are flowcharts showing detailed steps that each module performs in the embodiment of the present invention. Hereinafter, the steps performed for each module will be described.

13 is a flowchart illustrating the detailed steps that the purchase generation module 1115 performs in the embodiment of the present invention.

The purchaser accesses the purchase contract intermediation server 1000 and selects the purchase generation module 1115 (S1305). The tool that allows the buyer to select the purchase generation module 1115 may be included in the buyer's initial access screen, inquiry screen or other screen.

The purchase generation module 1115 transmits a selection tool for selecting an item to purchase to the purchaser (S1310). The selection tool may be an electronic document including a list of items, and may include a search tool for searching for an item.

When the electronic document includes a list of items, the included list may be a list of items classified by size or price. When the list of items is about fiber, the list included according to the composition ratio of the fiber may be included. It is desirable to.

When the electronic document includes a search tool, and the purchaser searches for an item through the search tool, the purchase generation module 1115 transmits the electronic document including the searched item list to the buyer.

The buyer selects an item to create a purchase through the sent electronic document (S1315).

The purchase generation module 1115 having received the selection information transmits a document including a form for inputting details of a purchase to be generated to a purchaser (S1320).

In the input form, it is preferable to be able to input the seller restriction information restricting the object of the seller. The restriction information includes any information that may be subject to the seller's country, company or other restrictions.

The buyer inputs details in the form and transmits the details to the purchase generation module 1115 through the buyer interface (S1325).

The purchase generation module 1115 that has received the details determines whether the input of the details is correct (S1330). If the input is not correct, the purchase generation module 1115 proceeds to the purchase detail input form dispensing step (S1320). When sending the purchase details input form from the determination step (S1330), it is preferable to display the previously entered details and allow the buyer to newly input only the incorrectly entered items.

In the determination step (S1330), it is preferable to set information on the matters related to the delivery and the quantity such as price, delivery date and shipping date as essential input items.

If it is determined that the input is correct in the determination step (S1330), the purchase details input information is sent to the buyer (S1335), and the buyer confirms and confirms the delivery information (S1340).

The purchase generation module 1115 receiving the approval signal generates a purchase according to the approved purchase generation details (S1345).

When a purchase is created, an expiration date during which the purchase is maintained is designated, and the expiration date may be automatically designated by the purchase contract intermediation server 1000 when the purchase period is not designated by the purchaser.

If the generated purchase includes seller restriction information, the user who is included in the seller by the restriction is notified of the generation of the purchase. The notification preferably includes sending an e-mail to the user included as the seller that the purchase was made.

The purchase generation module 1115 generating a purchase updates the purchase database 1165 based on the generated details of the purchase (S1350). When the purchase database 1165 is updated, information about a purchase including a purchase detail, a purchase creation date, and a purchase validity period input by the buyer is recorded.

14 is a flowchart showing the detailed steps performed by the inquiry and approval module 1135 in the embodiment of the present invention.

The seller or the buyer accesses the purchase contract mediation server 1000 (S1410, S1440), and selects the inquiry and acceptance module 1135 (S1412, S1442).

The purchase contract intermediation server 1000 provides a seller or a buyer with a tool for selecting an inquiry condition for inquiring a purchase in progress (S1470).

The selection tool includes a tool for designating a kind of goods or services to be purchased, and, if the object of purchase is a fiber, includes a tool for designating a component ratio of the fiber, a purchase providing area, and a purchasing company. It is desirable to.

The seller or the buyer inputs an inquiry condition to be inquired through the sent selection tool (S1414, S1444). When entering the inquiry condition, it is preferable to allow the entry of one or more conditions.

The inquiry and acceptance module 1135 receiving the inquiry condition retrieves a purchase list corresponding to the input inquiry condition from the database unit 1150 (S1472).

In the case where the purchase includes the seller restriction information when searching the purchase list, it is preferable to exclude from the search target when the seller who selects the inquiry is not a user who can become a seller by the seller restriction information.

The inquiry and approval module 1135 transmits the searched purchase list to the seller interface 1010 or the buyer interface 1040 (S1474).

The purchase list includes a purchase identification code (hereinafter referred to as an ID), an item name, a quantity, a price, and a validity period of purchase. When the purchase target is a textile product, the purchase list further includes buyer information such as a buyer company and a country Do.

The seller or the buyer checks the purchase list (S1416, S1446). The purchase list is provided with a tool for requesting detailed information regarding the purchase items included in the list. The tool is set to call the inquiry and approval module 1135 that can search for detailed information in the purchase list created in the form of an electronic document.

The seller or buyer who has inquired the purchase list may request detailed information regarding the purchase items included in the list (S1418, S1448). The inquiry and approval module 1135 received the request retrieves detailed information from the database unit 1150 (S1476).

The inquiry and approval module 1135 searching for detailed information sends the searched detailed information to the seller or the buyer (S1478).

The detailed information may include detailed information about an item to be purchased, purchase condition of the item, seller participation information history, delivery condition of the item, purchase creation date, purchase validity period, and the like. Participant information history of the seller preferably includes only information about the delivery date, price, quantity.

When sending the detailed information, the seller consent means for the seller to agree to the purchase conditions, the buyer acceptance means for the buyer to agree to the seller's participation information, the purchase modification module and hyperlinked change means for changing the purchase conditions, And a purchase participation module and hyperlinked participation means for the seller to enter new terms and conditions.

The seller or the buyer checks the detailed information by sending the detailed information (S1420, S1450).

After confirming the detailed information, the seller determines whether to agree to the purchaser of the purchaser (S1422), and if the seller does not agree in the determining step (S1422), the seller performs the participation step (S1230) by executing the participating means, and the buyer It can be presented by entering contract terms different from the purchase information generated by.

If the purchaser agrees to the purchase condition in the determination step S1422, the acceptance signal is sent to the inquiry and acceptance module 1135 by executing the seller acceptance means.

After confirming the detailed information, the buyer determines whether to agree with the seller's participation information (S1452), and if the user does not agree in the determining step (S1452), executes the modification means to perform the purchase modification step (S1240), The preset purchase information may be modified.

When agreeing to the seller's participation conditions in the determination step (S1422), the acceptance signal is sent to the inquiry and acceptance module 1135 by executing the buyer acceptance means.

The inquiry and acceptance module 1135, which has received the acceptance signal from the seller or the buyer, sends detailed information of the contract to be established to the seller or the buyer who sent the acceptance signal (S1480).

The detailed information of the contract to be established includes purchase conditions or participation information provided to the seller or buyer who sent the acceptance signal. In addition, if there is a condition additionally attached to the purchase condition or participation information by the buyer or seller, the detailed information of the contract includes the attachment condition.

The seller or the buyer who has received the contract detail information checks the detailed information that has been sent (S1426, S1456).

The seller or the purchaser who has confirmed the contract details received, approves the contract details (S1428, 1458).

The inquiry and acceptance module 1135 receiving the approval signal updates the contract database based on the contract detail information (S1482).

15 is a flowchart illustrating the detailed steps performed by the purchase participation module 1120 according to the embodiment of the present invention.

As shown in FIG. 15, if the seller disagrees in the determination step (S1422) during the inquiry and acceptance step (S1220), the seller determines whether to agree to the purchase condition of the buyer, the seller makes a purchase generated by the buyer. Participation conditions are determined based on a contract condition different from the information (S1510). The participation condition may include changing any of the purchase conditions, but it is desirable to be able to change only the matter regarding the price, delivery date or shipping date.

The seller, having determined the participation condition, transmits a participation signal to the purchase participation module 1120 by executing a participation means included when receiving the detailed information in the inquiry and acceptance step (S1220) (S1515).

The purchase participation module 1120 having received the participation signal transmits a document including a form for inputting participation information to the seller (S1520).

In the input form, it is preferable that the purchase condition of the buyer is displayed and the seller input only the condition to be modified.

The seller inputs the details in the form and sends it to the purchase participation module 1120 through the seller interface (S1525).

The purchase participation module 1120 having received the details determines whether the input of the details is correct (S1530). If the input is not correct, the purchase participation module 1120 proceeds to the step of transmitting the participation information input form (S1520). When the participation information input form is sent from the determination step (S1530), it is preferable to display the previously entered participation information and allow the seller to newly input only the incorrectly entered item.

In the determination step (S1530), it is preferable to set information on the matters related to the delivery and the quantity such as price, delivery date and shipping date as essential input items.

If it is determined that the input is correct in the determination step (S1530), the participation information input information is sent to the seller (S1535), and the seller confirms and confirms the transmission information (S1540).

The purchase participation module 1120 receiving the approval signal generates a participation according to the approved participation information (S1545), and the purchase participation module 1120 generating the participation updates the participation database 1170 based on the participation information. (S1550).

16 is a flowchart showing the detailed steps performed by the purchase modification module 1125 according to the embodiment of the present invention.

As shown in FIG. 16, in the inquiry and acceptance step (S1220), if the buyer does not agree in the determination step (S1452) to determine whether to agree to the seller's participation conditions, the buyer has already created the purchase information. In operation S1610, it may be determined that the purchase conditions are different from those of the second purchase. The modification includes correcting any of the purchase conditions.

The buyer who has determined the purchase condition to be modified transmits a correction signal to the purchase correction module 1125 by executing the correction means included when the detailed information is sent out in the inquiry and acceptance step S1220.

The purchase modification module 1125 receiving the correction signal transmits a document including a form for inputting a purchase condition to be corrected to the purchaser (S1620).

In the input form, it is preferable to display the buyer's predetermined purchase condition, and the buyer to input only the purchase condition to be modified.

The buyer inputs the modified purchase condition in the form and sends it to the purchase correction module 1125 through the buyer interface (S1625).

The purchase modification module 1125 having received the details determines whether the input of the details is correct (S1630), and if the input is not correct, proceeds to sending out the correction information input form (S1620). When the correction condition input form is sent from the determination step (S1630), it is preferable to display the previously input purchase information and allow the buyer to newly input only the incorrectly inputted item.

In the determination step (S1630) it is preferable to set the information on the matters and quantities related to the delivery, such as price, delivery date and the date of shipment as an essential input.

It is also desirable to determine that the price is corrected or the input is corrected so that the delivery date is faster.

If it is determined in step S1630 that the input is correct, the modified purchase condition is sent to the seller (S1635), and the seller confirms and confirms the delivery information (S1640).

The purchase modification module 1125 receiving the approval signal modifies the purchase according to the approved modification condition (S1645), and the purchase modification module 1125 correcting the purchase determines the purchase database 1165 based on the modification condition. Update (S1650).

17 is a flowchart showing the detailed steps performed by the purchase termination module 1130 according to the embodiment of the present invention.

As illustrated in FIG. 17, the purchase end module 1130 searches for a purchase generation time (X) and a validity period (Y) of the purchase generated by the purchaser from a database (S1710). The search retrieves the purchase database 1165 in the purchase contract brokerage server 1000 at a predetermined time interval while the purchase contract brokerage server 1000 is operating. The predetermined time interval may be arbitrarily set.

The purchase end module 1130 having searched for the purchase generation time X and the expiration date Y checks the current time Z (S1720).

Next, the purchase end module 1130 calculates a remaining valid period (T) from the purchase creation time (X), purchase validity period (Y) and the current time (Z) (S1730).

The remaining valid period (T) is calculated by the following formula.

[Calculation 2]

T_ {2} = X_ {2} + Y_ {2}-Z_ {2}

As shown in Equation 2, the remaining valid period T_ {2} is obtained by adding the present time Z_ {2} to the purchase creation time X_ {2} plus the purchase validity period Y_ {2}. The value is subtracted.

It is determined whether the calculated remaining valid period T_ {2} is less than or equal to zero (S1740).

If the remaining valid period is 0 or less by the calculation in the determination step (S1740), it is understood that the purchase is ended, and the purchase end module 1130 ends the purchase (S1750), and based on the purchase end information Update (S1760). The database update records in the purchase database 1165 that the purchase has ended.

After the database update step S1760, the purchase end step S1250 ends.

When the remaining valid period exceeds 0 by the calculation in the determination step (S1740), it is determined whether the seller or the buyer has consented (S1770). The acceptance decision step S1770 may be determined by searching the contract database 1175.

If it is determined that there is no approval in the approval decision step (S1770), the purchase end step (S1250) proceeds to the inquiry and approval step (S1220).

If it is determined in the approval decision step (S1770) that the approval has been performed, the process proceeds to the end step (S1750).

18 is a flowchart showing the detailed steps performed by the result notification module 1140 according to the embodiment of the present invention.

After the purchase is terminated in the purchase end step (S1250) (S1750) and the purchase database 1165 is updated (S1760) (A), it is determined whether the purchase is terminated by the consent of the seller or the buyer (S1810). The acceptance decision step S1810 may be determined by searching the contract database 1175.

If it is determined in the approval decision step (S1810) that there was no approval, the purchase result is notified to the purchaser who created the purchase (S1830).

If it is determined in the acceptance decision step (S1810) that the approval has been confirmed, after notifying the seller of the contract resulted in the agreement (S1820), and proceeds to the step of notifying the buyer (S1830).

The notification to the seller or the buyer may include notification by any method, but when the purchase contract intermediation server 1000 publishes a home page on the Internet, it includes posting the result of the contract on the home page. Preferably, when the seller or the buyer is connected to the network through the purchase contract brokerage server 1000, and there is an e-mail address assigned to the seller or buyer to send an e-mail containing the contract result to the e-mail address It is preferable to include the thing.

As described above, preferred embodiments related to a sales contract brokerage method and a server using the computer of the present invention have been described, but the present invention is not limited to the above embodiments, and the general knowledge in the technical field to which the present invention pertains from the embodiment of the present invention. It includes all changes to the extent that they are readily changed by the possessor and are considered equivalent.

As described above, according to the embodiment of the present invention, not only the contract can be conveniently made by allowing the contract to be sold on the network, but also the seller or the buyer can adjust the terms of sale or the purchase conditions, and the buyer or the seller Since it is possible to participate in the sale or purchase under a condition different from the sale condition or the purchase condition, it is possible to cope with both the changes in the contract conclusion process.

In addition, by intermediating the contract conclusion process with a number of traders at the same time, it eliminates the complexity of the conclusion of the contract, and has the effect of preventing the difficulty of the contract by allowing the contract to be established with a specific counterpart among the plurality of traders.

In addition, when the selling item is a textile product, in consideration of the characteristics of the textile product, the seller information and the ingredient ratio of the fiber are disclosed, thereby increasing the transparency of the contract condition.

Claims (20)

In the contract brokering server networked with the buyer and seller interfaces, (a) receiving sales information including an item and sales conditions of the item from a seller; (b) providing the sale information to a buyer; (c) establishing a contract between the seller and the buyer; (d) ending the sale; (e) notifying the outcome of the contract; Trading contract brokering method using a computer comprising a. In claim 1, In the step (d), the sales contract brokering method using a computer, characterized in that the sale is terminated when the validity period of a predetermined time has elapsed after receiving the sales information. In claim 1, In step (c), (f) the purchaser accepts the terms of sale; Trading contract brokering method using a computer comprising a. In claim 1, After step (b), (g) receiving participation information from the buyer; More, In the step (c), when the seller accepts the buyer's participation information or when the buyer accepts the seller's terms of sale, the contract of the sale contract using a computer is established. In claim 1, After step (b), (h) receiving participation information from a buyer; (i) modifying the generated sales condition from a seller; More, In the step (c), when the seller accepts the buyer's participation information or when the buyer accepts the seller's terms of sale, the contract of the sale contract using a computer is established. In claim 5, The terms of sale include the price and delivery date of the item, In step (i), (j) receiving the corrected price and the correct delivery date, In the step (j), the modified price is less than a predetermined price, and the modified delivery date is before the predetermined delivery date. In any one of claims 1 to 6, In the step (a), the item is a textile product, the sales information includes the component ratio of the textile product, The step (b) is a computer-based sales contract brokerage method, characterized in that it provides information on the component ratio of the textile product, sales providing region, sales company. In claim 7, The sale information includes buyer restriction information, In the step (b), the sales contract brokering method using a computer, characterized in that to provide the sale information only to the buyer specified by the buyer restriction information. In a contract brokerage system that includes a buyer interface and a seller interface, Networked with the buyer interface and the merchant interface, A sales generation module for generating sales by receiving sales information including items and sales conditions of the items from a seller; A sales participation module that provides a function for the buyer to participate in a new condition generated in the sales generation module; A sales modification module for providing a function of the seller to modify the generated sales information of the sale; A sale termination module which maintains the generated sale for a certain period and ends the sale if a contract is not established within the period; An inquiry and acceptance module for providing sales information of a sale generated by a seller and participation information participated in by a buyer, and establishing a contract when the sales information or participation information is accepted; A result notification module for notifying the seller who created the sale and the buyer who participated in the sale of the result of the contract establishment; A central processing unit that manages the modules; A database unit provided to perform the modules; Contract brokerage server using a computer containing a. In claim 9, The database unit, A buyer database for storing buyer information; A seller database for storing seller information; A sales database for storing sales information generated by the seller; Participation database for storing the history of the participation information that the buyer participated in the sale; A contract database that stores matters relating to contracts established by the purchaser to the sales information or the seller to the participation information; And A variable database for storing variables for performing the end of sale module; Contract brokerage server using a computer containing a. In the contract brokering server networked with the buyer and seller interfaces, (k) receiving input information from a buyer and purchase information including a purchase condition of the item; (l) providing the purchase information to a seller; (m) establishing a contract between the buyer and the seller; (n) ending the purchase; (o) notifying the contract result; Trading contract brokering method using a computer comprising a. In claim 1, In the step (n), the purchase contract brokering method using a computer, characterized in that the purchase is terminated when the validity period of a predetermined time elapses after receiving the purchase information. In claim 1, (M) step, (p) the seller accepting the purchase conditions; Trading contract brokering method using a computer comprising a. In claim 1, After step (l), (q) receiving participation information from a seller; More, The step (m) is a computer-based sales contract brokerage method, characterized in that when the buyer accepts the seller's participation information or the seller accepts the purchase conditions of the buyer, a contract is established. In claim 1, After step (l), (r) receiving participation information from a seller; (s) receiving the modified purchase condition from the buyer; More, The step (m) is a computer-based sales contract brokerage method, characterized in that when the buyer accepts the seller's participation information or the seller accepts the purchase conditions of the buyer, a contract is established. In claim 5, The purchase condition includes the price and delivery date of the item, (S) step, (t) receiving a corrected price and a modified delivery date, In the step (t), the modified price is more than a predetermined price, the modified delivery date is a sales contract brokering method using a computer, characterized in that after the predetermined delivery date. In any one of claims 1 to 6, In the step (k), the item is a textile product, the purchase information includes the component ratio of the textile product, Wherein step (l), the information on the component ratio of the textile product, the purchase providing region, the purchase contract brokerage method using a computer, characterized in that it provides information including. In claim 7, The purchase information includes seller restriction information, In the step (l), the purchase contract brokering method using a computer, characterized in that to provide the purchase information only to the seller specified by the seller restriction information. In a contract brokerage system that includes a seller interface and a buyer interface, Networked with the merchant interface and the buyer interface, A purchase generation module for receiving a purchase information including an item and a purchase condition of the item from a purchaser and generating a purchase; A purchase participation module providing a function of the seller participating in a new condition in the purchase generated by the purchase generation module; A purchase modification module for providing a function for the buyer to modify the generated purchase information of the purchase; A purchase termination module for maintaining the generated purchase for a predetermined period and terminating the purchase if a contract is not established within the period; An inquiry and acceptance module for providing purchase information of a purchase generated by a buyer and participation information participated in by a seller, and establishing a contract when the purchase information or participation information is accepted; A result notification module for notifying the buyer who created the purchase and the seller who participated in the purchase of the result of the contract establishment; A central processing unit that manages the modules; A database unit provided to perform the modules; Contract brokerage server using a computer containing a. In claim 9, The database unit, A seller database for storing seller information; A buyer database for storing buyer information; A purchase database for storing purchase information generated by the buyer; Participation database for storing the history of the participation information that the seller participated in the purchase; A contract database that stores matters relating to contracts established by the seller to the purchase information or the buyer to the participation information; And A variable database for storing variables for performing the purchase termination module; Contract brokerage server using a computer containing a.