KR100951803B1 - Method, system, and computer-readable recording medium for providing searchable advertisement - Google Patents

Abstract

The present invention relates to a method, a system, and a computer readable recording medium for providing an advertisement accessible through search. According to an aspect of the present invention, there is provided a method for providing a searchable advertisement, comprising: receiving advertisement information from an advertiser system, wherein the advertisement information includes information on a condition to which the advertisement is to be exposed and predetermined text data; Assigning a string of at least a portion of the text data as tag information associated with the advertisement information, receiving a search request from a user's terminal device or the advertiser system, and advertisement exposure condition or tag information. Searching for advertising information corresponding to the and providing it to the user terminal device or the advertiser system is provided.

Online advertising, compound ads, ad search

Description

METHOD, SYSTEM, AND COMPUTER-READABLE RECORDING MEDIUM FOR PROVIDING SEARCHABLE ADVERTISEMENT}

The present invention relates to a method, a system, and a computer-readable recording medium for providing an advertisement accessible through a search, and more particularly, after extracting text data from advertisement information requested to be registered by an advertiser, and then extracting the text. A method, system, and computer readable recording medium for providing advertisement information corresponding to a search keyword input from a user by generating advertisement index data using the data.

With the development of communication technologies and the rapid spread of the Internet, the scale of advertising activities online is growing. Representative examples of such online advertisements include banner advertisements and search advertisements. In the case of banner advertisements, it is common to have a function of providing advertisement information composed of images on a user's terminal device and connecting to the advertiser's web site when the user clicks on it. In addition, in the case of a search advertisement, when an advertiser purchases a search keyword corresponding to a condition in which his advertisement information is exposed, such as "golf" or "flower delivery", the advertiser corresponds to the user's terminal device according to the user's search keyword input. In general, advertisement information corresponding to a search keyword is provided.

However, in the conventional banner advertisement and search advertisement, there is a disadvantage that the user cannot actively search for and retrieve the advertisement. Although an advertisement providing system such as an operation server of an Internet portal site has provided a function for allowing an advertiser to specify a search keyword, a web page into which advertisement information is to be inserted, such a function is provided for the convenience of an advertiser rather than a user. Since it has been provided, there is a limit to the user to actively use it to look up the advertisement. For example, when a user encounters a specific banner advertisement while surfing the web, it is not easy for the user to identify a condition in which the banner advertisement is exposed and to use the same to revisit the advertisement later.

In addition, the ad serving area where banner advertisements or search advertisements are usually provided is limited to a portion of a web page, and the number of advertisements having the same advertisement exposure conditions is determined by Since more than the number is common, even if the advertiser knows the conditions to expose their ads, there was a disadvantage that requires a number of searches or web page browsing to confirm this.

Accordingly, an object of the present invention is to solve all the problems of the prior art as described above.

In addition, another object of the present invention is to enable users and advertisers to actively search and view advertisements.

In addition, another object of the present invention is to maximize the efficiency of the advertisement by allowing more users to access the advertisement by expanding the range in which the advertisement is provided.

In addition, another object of the present invention is to treat advertising information as independent content so that a variety of contents can be achieved.

The characteristic structure of this invention for achieving the objective of this invention mentioned above, and realizing the characteristic effect of this invention mentioned later is as follows.

According to an aspect of the present invention, there is provided a method for providing a searchable advertisement, comprising: receiving advertisement information from an advertiser system, wherein the advertisement information includes information on a condition to which the advertisement is to be exposed and predetermined text data; Assigning a string of at least a portion of the text data as tag information associated with the advertisement information, receiving a search request from a user's terminal device or the advertiser system, and advertisement exposure condition or tag information. Searching for advertising information corresponding to the and providing it to the user terminal device or the advertiser system is provided.

According to another aspect of the invention, there is provided a method for providing a searchable advertisement, comprising: receiving advertisement information from an advertiser system, the advertisement information being predetermined text data, predetermined image data, a first matched to the text data; A web document location identifier, and a second web document identifier matching the image data;-giving at least one string as tag information associated with the advertisement information, retrieving from a user's terminal device or the advertiser system Receiving a request, and searching for advertisement information whose tag information corresponds to the search request and transmitting the advertisement information to the user terminal device or the advertiser system, wherein the retrieved advertisement information includes: the user terminal device or the; In the advertiser system, the text data and the image data The method of displaying the data together is provided.

According to still another aspect of the present invention, there is provided a system for providing a searchable advertisement, comprising: an advertisement register for receiving advertisement information from an advertiser system, wherein the advertisement information includes information on a condition under which the advertisement is to be exposed and predetermined text data. A tagging unit for assigning a string of at least a portion of the text data as tag information associated with the advertisement information, and receiving a search request from a user's terminal device or the advertiser system, wherein the advertisement exposure condition or tag information is received. A system including a search engine for searching for advertisement information corresponding to a search request and transmitting the same to the user terminal device or the advertiser system is provided.

According to still another aspect of the present invention, there is provided a system for providing a searchable advertisement, comprising: advertisement register from an advertiser system, wherein the advertisement information is matched with predetermined text data, predetermined image data, and the text data. A web document location identifier, and a second web document identifier matching the image data; a tagging unit for assigning at least one string as tag information associated with the advertisement information; and a terminal device or the advertiser of the user. A search engine for receiving a search request from a system, searching for advertisement information whose tag information corresponds to the search request, and transmitting the search information to the user terminal device or the advertiser system, wherein the searched advertisement information includes the user terminal device. Or in the advertiser system, the text data and the image The system in which the data is displayed together is provided.

In addition to this, there is further provided a computer readable recording medium for recording another method, system, terminal device and computer program for executing the methods.

The effects of the present invention achieved due to the characteristic configuration of the present invention are as follows.

According to the present invention, since the user and the advertiser can actively search for and view the advertisement, the accessibility to the advertisement is increased.

According to the present invention, since the range of advertisements is expanded, more users can access the advertisements, and thus the efficiency of the advertisements can be maximized.

According to the present invention, various contents can be secured by treating advertisement information as independent contents.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention with respect to one embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention, if properly described, is defined only by the appended claims, along with the full range of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention.

[Preferred Embodiments of the Invention]

Configuration of the entire system

1 is a view showing a schematic configuration of an advertising system 100 according to an embodiment of the present invention.

The advertisement system 100 according to an embodiment of the present invention communicates with the user terminal device 800 and the advertiser system 900 through a communication network, registers advertisement information at the request of the advertiser system 900, The advertisement information may be provided to the user terminal device 800. Preferably, the advertising system 100 may be included in an operation server of an internet portal site that provides various advertisements.

Here, the communication network may be configured without regard to communication modes such as wired and wireless, and may include a local area network (LAN), a metropolitan area network (MAN), and a wide area network (WAN). It may be configured with a variety of communication networks. Preferably, the communication network referred to in the present invention may be a known World Wide Web (WWW).

According to an embodiment of the present invention, the user terminal device 800 and the advertiser system 900 are each a user who wants to search / search for goods, services, or information, and an advertiser who wants to provide an advertisement to such a user in a communication network. A system consisting of a digital device or a digital device including a function of enabling communication after connecting to the advertising system 100 through a personal computer (for example, a desktop computer, a laptop computer, a tablet computer, a palmtop computer, etc.). The user terminal device 800 and the advertiser system 900 according to the present invention, as long as it is a digital device having a computing capability by mounting a microprocessor, such as a workstation, a PDA, a web pad, a mobile phone, and the like. It can be adopted as one component of.

With reference to Figure 1 will be described further. According to an embodiment of the present invention, the advertisement system 100 that communicates with the user terminal device 800 and the advertiser system 900 through a communication network includes a search engine 110, an advertisement register 120, and a tagging unit 130. , The controller 140, the communicator 150, and the database manager 160.

According to an embodiment of the present invention, the search engine 110, the advertisement register 120, the tagging unit 130, the controller 140, the communication unit 150, and the database manager 160 are operated by at least some of them. It may be included in the advertising system 100 as a system, an application module, and other program modules, and may be physically stored on various known storage devices. In addition, these program modules may be stored in a remote storage device that can communicate with the advertising system 100. On the other hand, such program modules include, but are not limited to, routines, subroutines, programs, objects, components, data structures, etc. that perform particular tasks or execute particular abstract data types, described below, in accordance with the present invention.

In addition, according to an embodiment of the present invention, the search engine 110, the advertisement registration unit 120, the tagging unit 130, the control unit 140, the communication unit 150, and the database management unit 160 may be connected to a plurality of servers. It may be distributed.

Search engine 110 according to an embodiment of the present invention is a web document stored in a remote computer connected to a communication network (in the present invention, a web document is a text, an image, a moving picture, audio, etc. and at least two of them) Crawled), and information about the crawled web document may be stored in the content database 160a to be described later. In addition, the search engine 110 according to an embodiment of the present invention may obtain digital data obtained by referring to the content database 160a according to a request of the user terminal device 800, and the advertisement obtained from the advertisement database 160b. The web document including information and at least one of the combination thereof may be provided to the user terminal device 800.

Ad register 120 according to an embodiment of the present invention is composed of data, such as text, images, video, audio, etc. specified by the advertiser and / or selected at the request of the advertiser system 900 and a combination of at least two of them The advertisement information may be stored as advertisement data in the advertisement database 180b to be described later.

In addition, the advertisement registration unit 120 according to an embodiment of the present invention may provide a predetermined interface to the advertiser system 900 such as a well-known bidding tool for registering advertisement information.

 The tagging unit 130 according to an embodiment of the present invention may analyze text data included in advertisement information registered by an advertiser, and may assign a main character string included therein as attribute information of the advertisement information. According to an embodiment of the present invention, the attribute information provided by the tagging unit 130 may be used by the search engine 110 to retrieve advertisement information to be provided to the user terminal device 800. In addition, according to another embodiment of the present invention, the tagging unit 130 may give at least one character string more freely assigned by a non-advertiser as attribute information of the advertisement information. For example, a character string that is determined to be most advantageous for retrieving advertisement information may be given by an operator of the advertisement system and used for later retrieval of advertisement information by a user or an advertiser.

The control unit 140 according to an embodiment of the present invention controls the flow of data between the search engine 110, the advertisement registration unit 120, the tagging unit 130, the communication unit 150, and the database manager 160. Perform the function.

The communication unit 150 according to an embodiment of the present invention performs a function of allowing the advertisement system 100 according to the present invention to communicate with external devices such as the user terminal device 800 and the advertiser system 900.

The database manager 160 according to an embodiment of the present invention may include a content database 160a in which information about a web document crawled by the search engine 110 is stored, and an advertisement database 160b in which information about an advertisement registered by an advertiser is stored. ) May be included.

For example, the content database 160a may include identification information (for example, a URL) of a web document, a date and time when information about the web document is collected, a title of the web document, summary information of the web document, and attribute information of the web document. And the like. If necessary, the content database 160a may store the web document itself or a copy thereof. Here, the attribute information of the web document is information representing the attribute of each web document of the content database 160a. For example, the identifier of the advertisement information to be combined with each web document, the type of advertisement, the search keyword, etc. are assumed. You can do it. According to an embodiment of the present invention, after the search engine 110 crawls a web document and analyzes the web document and extracts information such as a main string, the attribute information of the web document is based on the extracted information. It may be determined.

The advertisement database 160b may include identification information of the advertisement (i.e., identifier of the advertisement information), advertiser identification information, period information on which the advertisement is displayed, advertisement cost, condition information on which the advertisement will be exposed, and advertisement information to be combined into a web document. It may include. Here, the advertisement information to be combined in the web document may be composed of data, such as text, images, moving images, audio, etc., which are specified and / or selected by the advertiser, and a combination of at least two of them.

In the above embodiment, the database storing the information for the implementation of the present invention is classified into two databases, the content database 160a and the advertisement database 160b. However, the configuration of the database including the classification may be changed as required by those skilled in the art. Can be. For example, the advertisement system 100 according to an embodiment of the present invention further includes a user database in which user's personal information, login information, etc. are recorded, or an advertiser database in which advertiser's identification information, account information, etc. are recorded. You can do it.

Lastly, in the present invention, a database is a concept that includes not only a negotiated database but also a broad database including a data file based on a computer file system, and the like. It should be understood that if data can be extracted, it can be included in the database referred to in the present invention.

Ad Serving Process

Hereinafter, according to a preferred embodiment of the present invention, a process of providing advertisement information by the advertisement system 100 will be described in detail with reference to FIGS.

1. Registration of advertising information

The advertisement register 120 according to an embodiment of the present invention receives a registration request regarding advertisement information from the advertiser system 900 and stores advertisement information designated or selected by the advertiser in the advertisement database 160b.

According to an embodiment of the present invention, the advertisement information specified or selected by the advertiser may include a text data area composed of a character string and an image data region composed of at least one of an image, a video, and a flash animation. Of course, according to another embodiment of the present invention, the advertisement information may include only one of the text data area and the image data area.

2A and 2B are diagrams illustrating advertisement information according to an embodiment of the present invention.

As shown in FIG. 2A, according to an embodiment of the present invention, the text data area and the image data area of the advertisement information coupled to the web document may be separated from each other. In this case, the advertisement information of FIG. 2A may include the user terminal device 800 when the user who has received the advertisement information clicks on a part of the text data area (eg, the “www.segyetour.com” portion) or the image data area. May include a hyperlink for accessing the homepage of the advertiser registering the corresponding advertisement information. In addition, when the user clicks on the "reservation page shortcut" in the text data of FIG. 2A, the user terminal device 800 is directly connected to a web document that can reserve the travel product, and the user searches for the "product search." If the user clicks “Next”, the user terminal device 800 may be connected to a web document capable of searching for another travel product. That is, according to an embodiment of the present invention, one piece of advertisement information may include a plurality of different hyperlinks.

As shown in FIG. 2B, according to another embodiment of the present invention, the text data area of the advertisement information coupled to the web document may be included in or overlapped with the image data area. According to an embodiment not shown, the text data area of the advertisement information may be disposed adjacent to the image data area.

As described above with respect to FIG. 2A, the advertisement information of FIG. 2B allows the user terminal apparatus 100 to be connected to a predetermined web document or other advertisement information through a portion of the text data region or the image data region included in the advertisement information. It can contain hyperlinks. For example, in FIG. 2B, when the user who has received the advertisement information clicks on the "www.nicepoolvilla.com" part, the user terminal device 800 is connected to the advertiser homepage, and the user goes to the "reservation page shortcut". ", The user terminal device 800 is connected to the web document that can book the travel product, and when the user clicks" search for goods ", the user terminal device 800 is another travel product You will be able to access a web document from which you can search.

According to an embodiment of the present invention, the advertisement information stored in the advertisement database 160b may be directly produced / edited by the advertiser. For example, the advertiser creates an advertisement information composed of an image, text, and hyperlink in a programming language format supported by the advertisement system 100 such as HTML, XML, and the like, and then the interface provided by the advertisement register 120. It will be able to register in the advertising database 160b using.

According to another embodiment of the present invention, the advertisement system 100 may insert templates and hyperlinks related to the text data area and the image data area in order for the advertiser to more easily register the advertisement information. Providing an interface that is present, the advertiser may be able to generate advertisement information by simply uploading image data and entering text data and hyperlink information.

In addition, in the process of registering the advertisement information, the advertiser may set the condition information for displaying the advertisement. The condition information on which an advertisement is to be exposed may include a search keyword input by a user, identification information of an advertiser, a period during which the advertisement is to be exposed, identification information about a web document to which the advertisement is to be exposed, and an advertisement posting area thereof.

2. Tagging Advertising Information

According to an embodiment of the present disclosure, the tagging unit 130 may analyze text data included in advertisement information registered by an advertiser and assign a character string included in the text data as an attribute of the advertisement information.

The tagging unit 130 according to an embodiment of the present invention provides text data included in a web document collected by a general search engine to provide a search function in order to give a character string included in the text data as attribute information of advertisement information. Using the same function as generating the index data can be performed.

The tagging unit 130 according to an embodiment of the present invention analyzes the text data input by the advertiser to obtain a main string and to obtain the main string, in order to give a character string included in the text data as attribute information of the advertisement information. May be stored in association with the advertisement information.

The method for acquiring the main character string by the tagging unit 130 according to an exemplary embodiment of the present invention may be performed using at least one known technique based on conventional linguistic studies such as a morphological analysis method and a natural language processing method. Here, examples of known techniques for such morphological analysis methods and natural language processing methods include "Korean morphological analysis and information retrieval" (Kang Seung-sik, Hongneung Science Publishing, Part 2 and 3 of ISBN 9788972832805) or "Term-weighting". approaches in automatic text retrieval "(Information Processing & Management by G. Salton et al. 1) (the content of the above books and articles should be considered to be incorporated herein in its entirety). More specifically, Kang Seung-sik's book discloses a technique for applying a morphological analysis technique to information retrieval, and in the paper of G. Salton, TF-IDF is a technique for extracting major nouns extracted from morphological analysis. (Term Frequency-Inverse Document Frequency) is illustrated. Here, the TF-IDF technique measures the importance of each word using two factors: how often each word appears within a specific document and how often each word appears in the entire document set. Means the technique.

According to an embodiment of the present invention, the attribute information provided by the tagging unit 130 may be used as advertisement exposure condition information of the advertisement database 160b and may be treated separately from the advertisement exposure condition information. will be. Detailed description thereof will be described later in the section "Providing advertisement information".

3. Provision of advertising information

Hereinafter, assuming that the advertiser registers the advertisement information shown in FIG. 2B by designating a search keyword "honeymoon" as an advertisement exposure condition, the advertisement is provided to the user terminal device 800 in detail. Shall be.

When “honeymoon” is input as a search keyword from the user terminal device 800, the search engine 110 according to an embodiment of the present invention may display web document and advertisement information corresponding to the input search keyword in the content database 160a. And acquire the web document and the advertisement information by referring to the advertisement database 160b and provide the combined web document and advertisement information to the user terminal device 800.

3A is a diagram exemplarily showing a web document provided to a user who inputs "honeymoon" as a search keyword.

Referring to FIG. 3A, it can be seen that the advertisement information of FIG. 2B is provided in the advertisement serving region 310 of the web document. As mentioned above, the advertiser of the advertisement information is a “honeymoon” as an advertisement exposure condition. This is because.

3B is a diagram exemplarily showing a web document provided to a user who inputs "pool villa" as a search keyword.

Referring to FIG. 3B, advertisement information different from that of FIG. 2B is provided in the advertisement display region 310 of the web document, but the advertisement information of FIG. 2B is provided in the content region 320 provided by the search engine 110. You can see that. That is, the advertisement information of FIG. 2B may be provided at a position where a search result corresponding to a search keyword input by the user is provided, not at a position where the banner advertisement is originally displayed. This is because the string "pool villa" exists in the text data of the advertisement information of FIG. 2B, even if the advertiser of the advertisement information does not specify "pool villa" as an advertisement exposure condition, the search engine 110 may display the advertisement information. This is because it is determined that the advertisement information of FIG. 2B matches the search keyword input by the user based on the text data included in the. Of course, in such a case, the advertisement information of FIG. 2B may be provided in the advertisement serving region 310 of the web document, and in some cases, the advertisement information specifying “pool villa” as an advertisement exposure condition is preferentially provided. ), And the advertisement information in which "pool villa" is specified as the advertisement exposure condition does not exist. As shown in FIG. 2B, the advertisement information including a string such as "pool villa" is provided in the text data of the advertisement information. You can assume.

According to an embodiment of the present invention, a plurality of advertisement information may be provided in the advertisement display region 310 and the content region 320 according to a predetermined rule (for example, random order, bid amount order, etc.).

According to an embodiment of the present invention, when advertisement information is provided in the content area 320, summary information of advertisement information is provided on the content list, and more detailed advertisements are provided when the user clicks the corresponding advertisement information on the content list. Information may be provided.

Embodiments according to the present invention described above may be implemented in the form of program instructions that can be executed by various computer components and recorded in a computer-readable recording medium. The computer readable recording medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the recording medium may be specially designed and configured for the present invention, or may be known and available to those skilled in the computer software field. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs, DVDs, etc., and magneto-optical media such as floptical disks. And hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter. The hardware device may be configured to operate as one or more software modules to perform the process according to the invention, and vice versa.

Although the present invention has been described by specific embodiments such as specific components and limited embodiments and drawings, it is provided to help a more general understanding of the present invention, but the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations can be made from such descriptions.

Accordingly, the spirit of the present invention should not be limited to the above-described embodiments, and all of the equivalents or equivalents of the claims, as well as the appended claims, fall within the scope of the spirit of the present invention. I will say.

1 is a view showing a schematic configuration of an advertising system according to an embodiment of the present invention.

2A and 2B are diagrams illustrating advertisement information according to an embodiment of the present invention.

3A to 3B are views illustrating a web document provided to a user who inputs a search keyword by way of example.

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

100: advertising system

110: search engine

120: advertising register

130: tagging

140: control unit

150: communication unit

160: database management unit

160a: content database

160b: advertising database

800: user terminal device

900: Advertiser System

Claims (29)

A method for providing searchable ads, Receiving advertisement information from an advertiser system, wherein the advertisement information includes information on conditions under which the advertisement is to be exposed and predetermined text data; Giving a string of at least a portion of the text data as tag information associated with the advertisement information, Receiving a search request from a user's terminal device or the advertiser system, and Searching for advertisement information whose advertisement exposure condition or tag information corresponds to the search request and transmitting the advertisement information to the user terminal device or the advertiser system; How to include. The method of claim 1, The advertisement exposure condition includes at least one of a search keyword, identification information of an advertiser, a period during which an advertisement is to be exposed, and identification information regarding a web document to which the advertisement is to be exposed and its advertisement display area. The method of claim 1, At least a portion of the text data is associated with at least one hyperlink pointing to a web document designated by the advertiser. The method of claim 1, The advertisement information further comprising image data. The method of claim 4, wherein The image data is associated with at least one hyperlink pointing to a web document designated by the advertiser. The method of claim 4, wherein The retrieved advertisement information is displayed in the user terminal device or the advertiser system, at least a part of the text data together with the image data. The method of claim 6, At least a portion of the text data is included in the image data and displayed. The method of claim 1, The searched advertisement information is displayed on the first display area and the second display area of the user terminal device or the advertiser system. And advertisement information in which an advertisement exposure condition corresponds to the search request is displayed in the first display area, and advertisement information in which tag information corresponds to the search request is displayed in the second display area. The method of claim 8, And when advertisement information whose advertisement exposure condition matches the search request is not searched, advertisement information whose tag information corresponds to the search request is displayed in the first display area. A method for providing searchable ads, Receiving advertisement information from an advertiser system, wherein the advertisement information includes predetermined text data, predetermined image data, a first web document location identifier matching the text data, and a second web document identifier matching the image data. Contains-, Giving at least one string as tag information associated with the advertisement information, Receiving a search request from a user's terminal device or the advertiser system, and Retrieving advertisement information whose tag information corresponds to the search request and transmitting it to the user terminal device or the advertiser system; Including, The retrieved advertisement information is displayed in the user terminal device or the advertiser system together with the text data and the image data. The method of claim 10, The first web document location identifier and the second web document location identifier are both URLs. The method of claim 10, Wherein the at least one string is received from the advertiser system. The method of claim 10, Wherein said at least one string is input by an advertisement provider. The method of claim 10, At least a portion of the text data is included in the image data and displayed. A system for providing searchable ads, An advertisement register that receives advertisement information from an advertiser system, wherein the advertisement information includes information on a condition to which the advertisement is exposed and predetermined text data; A tagging unit for giving a string of at least a portion of the text data as tag information associated with the advertisement information, and A search engine that receives a search request from a user terminal device or the advertiser system, searches for advertisement information whose advertisement exposure condition or tag information corresponds to the search request, and transmits the search information to the user terminal device or the advertiser system. System comprising. The method of claim 15, The advertisement exposure condition includes at least one of a search keyword, identification information of an advertiser, a period during which an advertisement is to be exposed, and identification information regarding a web document to which the advertisement is to be exposed and its advertisement display area. The method of claim 15, At least a portion of the text data is associated with at least one hyperlink pointing to a web document designated by the advertiser. The method of claim 15, The advertisement information further comprising image data. The method of claim 18, The image data is associated with at least one hyperlink pointing to a web document designated by the advertiser. The method of claim 18, The searched advertisement information is displayed in the user terminal device or the advertiser system, at least a part of the text data is displayed together with the image data. The method of claim 20, At least a portion of the text data is included in and displayed on the image data. The method of claim 15, The searched advertisement information is displayed on the first display area and the second display area of the user terminal device or the advertiser system. And advertisement information in which an advertisement exposure condition corresponds to the search request is displayed in the first display area, and advertisement information in which tag information corresponds to the search request is displayed in the second display area. The method of claim 22, And when advertisement information whose advertisement exposure condition matches the search request is not searched, advertisement information whose tag information corresponds to the search request is displayed in the first display area. A system for providing searchable ads, Advertisement registration unit for advertisement information from an advertiser system-The advertisement information includes predetermined text data, predetermined image data, a first web document location identifier matching the text data, and a second web document identifier matching the image data. Has-, A tagging unit for giving at least one string as tag information associated with the advertisement information, and A search engine that receives a search request from a user terminal device or the advertiser system, retrieves advertisement information whose tag information corresponds to the search request, and transmits the search information to the user terminal device or the advertiser system. Including, The searched advertisement information is displayed in the user terminal device or the advertiser system together with the text data and the image data. The method of claim 24, The first web document location identifier and the second web document location identifier are both URLs. The method of claim 24, Wherein the at least one string is received from the advertiser system. The method of claim 24, Wherein said at least one string is input by an advertisement provider. The method of claim 24, At least a portion of the text data is included in and displayed on the image data. A computer-readable recording medium having recorded thereon a computer program for executing the method according to any one of claims 1 to 14.

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