KR101591999B1 - Targeting advertising method and apparatus using customer database of advertiser - Google Patents

Abstract

A method and apparatus for targeting advertisements utilizing an advertiser's customer database are provided. A targeting advertisement method using the customer database of the advertiser includes receiving from an advertiser server an advertiser identifier, a customer list including at least one first user identifier, an advertisement tag corresponding to the customer list, and advertisement information corresponding to the advertisement tag , Querying a second user identifier corresponding to the first user identifier of each of the advertiser identifier and the customer list, mapping the advertisement tag to the second user identifier and storing the advertisement information, And mapping and storing the advertiser identifier and the advertisement tag.

Description

TECHNICAL FIELD [0001] The present invention relates to a method and apparatus for targeting advertisement using an advertiser ' s customer database,

The present invention relates to an advertisement method and apparatus, and more particularly, to a method and apparatus for a targeting advertisement using an advertiser's customer database.

Targeting advertising refers to an advertisement technique that enhances the effectiveness of an advertisement by notifying all users but by targeting the users belonging to the targeting group using user information. The targeting ad platform can provide a variety of targeting options and define corresponding users whose targeting information matches the targeting options to a targeting group. However, such a targeting ad platform can indirectly select a target user by using various targeting options, but an advertiser can not directly select a target customer by utilizing his / her own customer database.

A problem to be solved by the present invention is to provide a method and apparatus for a targeting advertisement that can execute a targeting advertisement for a desired customer by utilizing an advertiser's customer database when the advertiser has a database of its own customers.

Another object of the present invention is to provide a targeting advertisement method and apparatus that can prevent a leakage of personal information while executing a targeted advertisement using an advertiser's customer database.

Another object of the present invention is to provide a method and an apparatus for a targeting advertisement that can execute a targeted advertisement while executing a targeted advertisement using an advertiser's customer database.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided an advertising method using a customer database of an advertiser, the method comprising: receiving from an advertiser server an advertiser identifier, a customer list including at least one first user identifier, And receiving an advertisement information corresponding to the advertisement tag, a second user identifier corresponding to the first user identifier of the advertiser identifier and the customer list of the customer list, respectively, And mapping the advertisement information to the advertiser identifier and the advertisement tag, and storing the advertisement information.

According to another aspect of the present invention, there is provided a targeting advertisement apparatus including a database, an advertiser identifier from an advertiser server, a customer list including at least one first user identifier, And a second user identifier corresponding to the first user identifier of each of the advertiser identifier and the customer list from the database, And a controller for mapping and storing the advertisement tag with the second user identifier and mapping the advertisement information to the advertiser identifier and the advertisement tag.

Other specific details of the invention are included in the detailed description and drawings.

According to the targeting advertisement method and apparatus using the customer database of the advertiser of the present invention, when the advertiser has its own customer database, the advertiser can use the customer database of the advertiser to execute the targeting advertisement for the desired customer have.

According to the advertisement advertisement method and apparatus using the customer database of the advertiser of the present invention, the advertisement tag is used instead of directly transmitting the customer's personal information while executing the targeting advertisement using the customer database of the advertiser, It is possible to prevent personal information leakage issues.

In addition, according to the method and apparatus of a targeting advertisement using an advertiser's customer database of the present invention, a targeting advertisement is executed using an advertiser's customer database, and after the recognition of a customer of a single advertiser, So that the targeting advertisement can be executed promptly.

1 is a block diagram illustrating an environment in which a targeting advertisement apparatus using an advertiser's customer database operates according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a detailed configuration of a targeting advertisement apparatus using an advertiser's customer database according to an embodiment of the present invention. Referring to FIG.
3 is a flowchart illustrating a step of recognizing an advertiser's customer in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.
4 is a flowchart illustrating a step of receiving a target customer and advertisement information from an advertiser in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.
5 is a flowchart illustrating a step of executing an advertisement in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Are provided to fully disclose the scope of the invention, and the invention is only defined by the scope of the claims.

It is to be understood that one element is referred to as being "connected to" or "coupled to" another component, either directly connected or coupled to another component, Element is included. On the other hand, when an element is referred to as being "directly coupled to" or "directly coupled to " another element, it means that it does not intervene in another element.

Like reference numerals refer to like elements throughout the specification. "And / or" include each and every combination of one or more of the mentioned items.

Although the first, second, etc. are used to describe various modules, components and / or sections, it is to be understood that these modules, components and / or sections are not limited by these terms. These terms are only used to distinguish one module, component or section from another module, component or section. Therefore, it goes without saying that the first module, the first component or the first section mentioned below may be the second module, the second component or the second section within the technical spirit of the present invention.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. &Quot; comprises " and / or "comprising" when used in this specification is taken to specify the presence or absence of one or more other components, steps, operations and / Or additions.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

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

FIG. 1 is a block diagram illustrating an environment in which a targeting advertisement apparatus using an advertiser's customer database operates according to an embodiment of the present invention. FIG. 2 is a block diagram illustrating an advertiser's customer database according to an exemplary embodiment of the present invention. FIG. 7 is a block diagram illustrating a detailed configuration of a targeting advertisement apparatus.

Referring to FIG. 1, a user terminal 110, a media server 120, an advertiser server 130, and an advertisement server 140 may be connected through a network.

The user terminal 110 may be connected to the media server 120, the advertisement server 140, and the like. The user can transmit and receive information and / or data to / from the media server 120, the advertisement server 140, and the like using the user terminal 110. For example, the user terminal 110 may be a communication device such as a desktop, a notebook, a mobile communication terminal, a PDA, a smart phone, a tablet, a smart TV, and the like, but the present invention is not limited thereto.

The media server 120 may be connected to the user terminal 110, the advertisement server 140, and the like. The media server 120 may provide the user terminal 110 with media contents such as various characters, documents, sounds, music, images, and moving pictures. For example, the media server 120 may be a portal site server that provides various media contents to the user terminal 110. Alternatively, the media server 120 may be a search engine server that provides search results including various media contents to the user terminal 110 in response to a search query of the user terminal 110. [

The media server 120 may receive advertisements from the advertisement server 140. The media server 120 may execute the received advertisement to the user terminal 110. [ The media server 120 may provide the various media contents to the user terminal 110 and execute the received advertisement together.

The advertiser server 130 can access the user terminal 110, the advertisement server 140, and the like. The advertiser can send and receive information and / or data to / from the user terminal 110, the advertisement server 140, and the like using the advertiser server 130. Alternatively, the advertiser may send and receive information and / or data using a separate advertiser terminal. Hereinafter, the case where the advertiser uses the advertiser server 130 will be described. However, the advertisement method according to the embodiment of the present invention may be carried out separately by the plurality of advertiser servers 130, 130 can be performed by a person skilled in the art to which the present invention belongs.

The advertiser server 130 may include a customer database. The customer database of the advertiser server 130 may store structured customer information by using a first user identifier (S_UID) as a key value. S_UID is information used by the advertiser server 130 to identify a user. For example, the customer database of the advertiser server 130 may store various kinds of customer information including basic information such as name, age, sex, area, occupation, and behavior information such as connection history, preference, purchase history and the like.

The advertiser server 130 may transmit a customer list (hereinafter, S_LIST) including at least one S_UID to the advertisement server 140. At this time, the advertiser server 130 can select a target customer to be targeted by using various customer information stored in the customer database, and can include the S_UID of the target customer in the S_LIST and transmit the S_UID to the advertisement server 140. The advertiser server 130 issues an advertisement tag (hereinafter, referred to as AD_TAG) to the S_LIST and transmits the AD_TAG to the advertisement server 140 together with the S_LIST in order to prevent personal information leakage issues that may occur during transmission of the S_LIST have.

The advertisement server 140 may be connected to the user terminal 110, the media server 120, the advertiser server 130, and the like.

1, the advertisement server 140 is illustrated as being connected to one user terminal 110 and one media server 120. However, the present invention is not limited thereto, and in connection with one advertisement service, It will be understood by those skilled in the art that the server 140 may be connected to a plurality of user terminals 110 and a plurality of media servers 120.

2, the advertisement server 140 may include a receiver 141, a controller 142, a transmitter 143, and a database 144.

The receiving unit 141 can receive various information and / or data from the outside via the network. The receiving unit 141 may be composed of various communication modules capable of network communication. The control unit 142 may control all operations of the advertisement server 140. The control unit 142 may be composed of various processors capable of processing various information and / or data. The transmission unit 143 may transmit various information and / or data to the outside via the network. The database 144 may store various information and / or data mapped to each other. The database 144 may comprise various storage media capable of storing various information and / or data.

Hereinafter, the operation of the advertisement server 140 according to the steps of the advertisement method according to the embodiment of the present invention will be described.

 First, the operation of the advertisement server 140 in the step of the advertisement server 140 recognizing the client of the advertiser will be described.

The receiving unit 141 may receive an advertiser identifier (S_ID) from the user terminal 110 connected to the advertiser server 130 and an S_UID of the user terminal 110. For example, the S_UID of the user terminal 110 may be cookie information stored in association with the domain of the advertiser server 130. In another example, the S_UID of the user terminal 110 may be the login account information for the advertiser server 130 of the user terminal 110.

The receiving unit 141 may receive a second user identifier (hereinafter, UID) of the user terminal 110 from the user terminal 110 connected to the advertiser server 130. Unlike the S_UID, the UID is information used by the advertisement server 140 to identify a user.

For this, when the user terminal 110 accesses the advertiser server 130 and can confirm the S_UID of the user terminal 110, the advertiser server 130 determines whether the browser of the user terminal 110 is connected to the advertisement server 140, (E.g., "http://xxx.com/create?sid=yyy&suid=a123") " The S_ID and the S_UID of the user terminal 110 may be inserted as parameters in the URL of the advertisement server 140 and transmitted to the advertisement server 140.

For example, the advertiser server 130 may insert a script that causes the user terminal 110 to call the URL of the advertisement server 140 on the web page that the browser of the user terminal 110 calls. Such a call of the URL of the advertisement server 140 may be substantially the same by a method of inserting an image, a frame, etc. in addition to a script.

On the other hand, even if the S_ID is not inserted as a parameter in the URL of the advertisement server 140, the advertisement server 140 side may check the S_ID through a referrer.

 The browser of the user terminal 110 calls the URL of the advertisement server 140 so that the receiver 141 can receive the cookie including the UID of the user terminal 110 from the browser of the user terminal 110. [

The control unit 142 may map the S_ID received by the receiving unit 141 and the S_UID of the user terminal 110 to the UID of the user terminal 110 in the database 144 and store the same.

On the other hand, when the UID of the user terminal 110 does not exist in relation to the domain of the advertisement server 140 in the cookie information stored in the browser of the user terminal 110, the controller 142 transmits the cookie information to the advertiser server 130 The UID of the user terminal 110 can be newly generated for the connected user terminal 110. The control unit 142 may map the S_ID received by the receiving unit 141 and the S_UID of the user terminal 110 to the UID of the newly generated user terminal 110 in the database 144 and store the same.

The transmitting unit 143 transmits the cookie including the UID of the user terminal 110 to the browser of the user terminal 110 so that the browser of the user terminal 110 transmits the UID of the user terminal 110 to the advertisement server 140, The cookie information may be stored in association with the domain of the cookie.

Next, the operation of the advertisement server 140 will be described in the step of the advertisement server 140 receiving the targeting target customer and the advertisement information from the advertiser.

The receiving unit 141 can receive an advertisement tag (hereinafter referred to as AD_TAG) corresponding to S_ID, S_LIST, and S_LIST and advertisement information (hereinafter, AD_INFO) corresponding to the AD_TAG from the advertiser server 130. As described above, the S_LIST may include the S_UID of the target customer to be targeted. The receiving unit 141 may receive S_ID, S_LIST, AD_TAG, and AD_INFO from the advertiser server 130 at one time, or may receive the S_ID, S_LIST, AD_TAG, and AD_INFO in a plurality of times.

The control unit 142 can inquire the UID corresponding to each S_UID of the S_ID and the S_LIST received by the receiving unit 141 from the database 144. [ According to the inquiry result, the control unit 142 can map the AD_TAG received by the receiving unit 141 in the database 144 to the inquired UID. Also, the control unit 142 can map the AD_INFO received by the receiving unit 141 to the S_ID and the AD_TAG in the database 144 and store the AD_INFO.

Next, the operation of the advertisement server 140 in the step of executing the advertisement by the advertisement server 140 will be described.

The receiving unit 141 may receive the advertisement request from the media server 120 and receive the UID of the user terminal 110 from the user terminal 110 connected to the media server 120. [

The browser of the user terminal 110 calls the URL of the advertisement server 140 at the time of the advertisement request of the media server 120. The receiver 141 receives the UID of the user terminal 110 from the browser of the user terminal 110 And can receive a cookie containing the cookie.

The control unit 142 can inquire the SID and the AD_TAG corresponding to the UID received by the receiving unit 141 from the database 144. [ In addition, the control unit 142 can inquire the AD_INFO corresponding to the S_ID and the AD_TAG from the database 144.

In response to the advertisement request of the media server 120, the transmission unit 143 may transmit an advertisement corresponding to AD_INFO to the media server 120. [

Although the receiver 141, the controller 142, the transmitter 143 and the database 144 of the advertisement server 140 are shown as separate components in FIG. 2, some or all of the components of the advertisement server 140 It will be apparent to those skilled in the art that the present invention may be embodied in one form or another.

In FIG. 2, the database 144 may be divided into a plurality of databases 144. In this case, one database 144 may store structured customer information (i.e., UID, S_ID, S_UID, AD_TAG) with the UID of the user terminal 110 as a key value. The other database 144 may store the structured advertisement information (i.e., S_ID, AD_TAG, AD_INFO) with S_ID and AD_TAG as key values.

3 is a flowchart illustrating a step of recognizing an advertiser's customer in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.

 3, the user terminal 110 may access the advertiser server 130 and transmit the S_UID of the user terminal 110 to the advertiser server 130 (S310).

The advertiser server 130 then causes the browser of the user terminal 110 to call the URL (e.g., "http://xxx.com/create?sid=yyy&suid=a123") of the ad server 140 A script for calling the URL of the advertisement server 140 may be inserted into a web page called by the browser of the user terminal 110 (S320).

The browser of the user terminal 110 then calls the URL of the advertisement server 140 so that the browser of the user terminal 110 transmits the S_ID and the S_UID of the user terminal 110 to the advertisement server 140 in a parameter form (S330), and transmits a cookie including the UID of the user terminal 110 to the advertisement server 140 (S340-1).

For example, the S_UID of the user terminal 110 may be cookie information stored in association with the domain of the advertiser server 130. In another example, the S_UID of the user terminal 110 may be the login account information for the advertiser server 130 of the user terminal 110.

If the UID of the user terminal 110 does not exist in relation to the domain of the advertisement server 140 in the cookie information stored in the browser of the user terminal 110, The UID of the user terminal 110 can be newly generated for the user terminal 110 connected to the user terminal 110 (S340-2).

Then, the advertisement server 140 may transmit the cookie including the UID of the user terminal 110 to the browser of the user terminal 110 (S340-3).

Then, the browser of the user terminal 110 may store the UID of the user terminal 110 as cookie information in association with the domain of the advertisement server 140 (S340-4).

Then, the advertisement server 140 may map the S_ID received from the user terminal 110 and the S_UID of the user terminal 110 to the UID of the user terminal 110 (S350).

4 is a flowchart illustrating a step of receiving a target customer and advertisement information from an advertiser in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.

4, the advertiser server 130 may select at least one target customer to be targeted and generate an S_LIST including the S_UID of the target customer (S410). As a result, the advertiser can use the advertiser's customer database to include the desired customer in the S_LIST.

Then, the advertiser server 130 may issue an AD_TAG to the S_LIST (S420).

Then, the advertiser server 130 may transmit AD_INFO corresponding to AD_TAG and AD_TAG corresponding to S_ID, S_LIST, and S_LIST to the advertisement server 140 (S430). Thus, the advertiser can provide the targeting advertisement suitable for the target customer using the AD_TAG without directly transmitting the personal information of the targeted customer included in the S_LIST to the advertisement server 140.

The advertiser server 130 may transmit the S_ID, the S_LIST, the AD_TAG, and the AD_INFO to the advertisement server 140 at one time or may transmit the advertisement data to the advertisement server 140 in a plurality of times.

Then, the advertisement server 140 may inquire UID corresponding to each S_UID of the S_ID and S_LIST received from the advertiser server 130 (S440).

Then, the advertisement server 140 may map the AD_TAG received from the advertiser server 130 to the retrieved UID according to the inquiry result (S450).

Then, the advertisement server 140 may map the AD_INFO received from the advertiser server 130 to S_ID and AD_TAG and store the AD_INFO in operation S460.

5 is a flowchart illustrating a step of executing an advertisement in a targeting advertisement method using an advertiser's customer database according to an embodiment of the present invention.

Referring to FIG. 5, the media server 120 may transmit an advertisement request to the advertisement server 140 (S510).

The browser of the user terminal 110 connected to the media server 120 calls the URL of the advertisement server 140 to request the advertisement server 140 to transmit the advertisement information to the user terminal 110, The UID of the cookie may be transmitted (S520).

Then, the advertisement server 140 may inquire the S_ID and the AD_TAG corresponding to the UID received from the user terminal 110 (S530).

Then, the advertisement server 140 can inquire AD_INFO corresponding to the S_ID and the AD_TAG (S540).

Then, in response to the advertisement request of the media server 120, the advertisement server 140 may transmit the advertisement corresponding to AD_INFO to the media server 120 (S550).

Next, the media server 120 may execute the advertisement received from the advertisement server 140 to the user terminal 110 (S560).

Accordingly, the advertisement server 140 can promptly execute the targeting advertisement according to the cookie transmitted by the user terminal 110 after recognizing the customer of the advertiser.

The steps of a method or algorithm described in connection with the embodiments of the invention may be embodied directly in hardware, software modules, or a combination of the two, executed by a processor. A software module may be stored in any form of computer readable storage medium such as RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any form of computer readable record It may reside in the medium. An exemplary recording medium is coupled to a processor, which is capable of reading information from, and writing information to, the recording medium. Alternatively, the recording medium may be integral with the processor. The processor and the recording medium may reside in an application specific integrated circuit (ASIC). The ASIC may reside within the user terminal. Alternatively, the processor and the recording medium may reside as discrete components in a user terminal.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be possible. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

110: User terminal
120: Media server
130: Advertiser server
140: Advertisement server

Claims (20)

1. A targeting advertisement method using an advertiser's customer database performed in an advertisement server,
Receiving from the advertiser server an advertiser identifier, a customer list including at least one first user identifier, an advertisement tag corresponding to the customer list, and advertisement information corresponding to the advertisement tag;
The control unit inquiring a second user identifier corresponding to the first user identifier of each of the advertiser identifier and the customer list; And
Wherein the controller maps and stores the advertisement tag with the second user identifier and maps the advertisement information to the advertiser identifier and the advertisement tag and stores the advertisement information. The method according to claim 1,
Receiving the advertisement request from the media server and receiving the second user identifier of the user terminal from the user terminal connected to the media server;
The control unit retrieving an advertiser identifier and an advertisement tag corresponding to the second user identifier;
The control unit retrieving advertisement information corresponding to the advertiser identifier and the advertisement tag; And
Wherein the transmitting unit further transmits the advertisement corresponding to the advertisement information to the media server in response to the advertisement request. 3. The method of claim 2,
Wherein the receiving of the second user identifier of the user terminal from the user terminal comprises:
And receiving a cookie including the second user identifier of the user terminal from a browser of the user terminal using the customer database of the advertiser. The method according to claim 1,
Further comprising receiving the advertiser identifier and the first user identifier of the user terminal from the user terminal connected to the advertiser server by the receiving unit. 5. The method of claim 4,
Wherein the receiving of the advertiser identifier and the first user identifier of the user terminal from the user terminal comprises:
And receiving the advertiser identifier and the first user identifier of the user terminal as a parameter of a URL of an advertisement server called by a browser of the user terminal. 5. The method of claim 4,
Wherein the first user identifier of the user terminal is cookie information stored in association with a domain of the advertiser server. 5. The method of claim 4,
Wherein the first user identifier of the user terminal is login account information for the advertiser server. 5. The method of claim 4,
Receiving the second user identifier of the user terminal from the user terminal connected to the advertiser server by the receiving unit;
Wherein the controller further comprises the step of mapping the advertiser identifier and the first user identifier of the user terminal to the second user identifier of the user terminal and storing the advertiser identifier. 9. The method of claim 8,
Wherein the receiving of the second user identifier of the user terminal from the user terminal comprises:
And receiving a cookie including the second user identifier of the user terminal from a browser of the user terminal using the customer database of the advertiser. 5. The method of claim 4,
Wherein the control unit comprises: generating the second user identifier of the user terminal for the user terminal connected to the advertiser server;
Transmitting a cookie including the second user identifier of the user terminal to a browser of the user terminal; And
Wherein the controller further comprises the step of mapping the advertiser identifier and the first user identifier of the user terminal to the second user identifier of the user terminal and storing the mapping. Database;
A receiver for receiving an advertiser identifier from an advertiser server, a customer list including at least one first user identifier, an advertisement tag corresponding to the customer list, and advertisement information corresponding to the advertisement tag;
Retrieves from the database a second user identifier corresponding to the first user identifier of each of the advertiser identifier and the customer list, maps the advertisement tag to the second user identifier in the database and stores the advertisement information, And a controller for mapping the advertiser identifier and the advertisement tag to the advertiser identifier and the advertisement tag. 12. The method of claim 11,
The receiving unit receives the advertisement request from the media server, receives the second user identifier of the user terminal from the user terminal connected to the media server,
Wherein the control unit inquires the advertiser identifier and the advertisement tag corresponding to the second user identifier from the database, inquires the advertisement information corresponding to the advertiser identifier and the advertisement tag,
Further comprising a transmitting unit for transmitting an advertisement corresponding to the advertisement information to the media server in response to the advertisement request, using the customer database of the advertiser. 13. The method of claim 12,
Wherein the receiving unit receives a cookie including the second user identifier of the user terminal from a browser of the user terminal using the customer database of the advertiser. 12. The method of claim 11,
Wherein the receiving unit receives the advertiser identifier and the first user identifier of the user terminal from a user terminal connected to the advertiser server. 15. The method of claim 14,
Wherein the receiving unit receives the advertiser identifier and the first user identifier of the user terminal as a parameter of a URL of an advertisement server called by the browser of the user terminal. 15. The method of claim 14,
Wherein the first user identifier of the user terminal is cookie information stored in association with a domain of the advertiser server. 15. The method of claim 14,
Wherein the first user identifier of the user terminal is login account information for the advertiser server. 15. The method of claim 14,
Wherein the receiving unit receives the second user identifier of the user terminal from the user terminal connected to the advertiser server,
Wherein the control unit maps the advertiser identifier and the first user identifier of the user terminal to the second user identifier of the user terminal and stores the advertiser identifier and the first user identifier of the user terminal in the database. 19. The method of claim 18,
Wherein the receiving unit receives a cookie including the second user identifier of the user terminal from a browser of the user terminal using the customer database of the advertiser. 15. The method of claim 14,
Wherein the controller generates the second user identifier of the user terminal with respect to the user terminal connected to the advertiser server and stores the advertiser identifier and the first user identifier of the user terminal in the database, A second user identifier,
Wherein the transmitting unit transmits a cookie including the second user identifier of the user terminal to a browser of the user terminal.

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