METHOD FOR OFFERING ADVERTISEMENT ACCORDING TO SEARCH INTENTION SEGMENTATION AND SYSTEM FOR EXECUTING THE METHOD

1 . An advertisement providing method, comprising:

defining a search intention for each keyword and a content type for each search intention; and

providing, when a user inputs the keyword, an advertisement content list based on a search intention of the inputted keyword.

2 . The advertisement providing method of claim 1 , wherein the defining comprises:

defining the search intention as at least two stages;

collecting keywords; and

setting the search intention for each keyword in each of the at least two stages based on a characteristic of each of the keywords and a characteristic of an advertisement content associated with each of the keywords.

3 . The advertisement providing method of claim 2 , wherein the search intention includes an information collection stage for information acquisition in association with a purchase, and a purchase determination stage for an actual purchase.

4 . The advertisement providing method of claim 2 , wherein the characteristic of each of the keywords is divided into a keyword characteristic intended for information acquisition in association with a purchase and a keyword characteristic intended for an actual purchase, and the characteristic of the advertisement content is divided into an information-oriented content characteristic in association with the purchase and a purchase-oriented content characteristic.

5 . The advertisement providing method of claim 2 , wherein the collecting of the keywords comprises:

collecting keywords inputted at least predetermined number of times for a predetermined time; and

sorting the collected keywords by category.

6 . The advertisement providing method of claim 5 , wherein the collecting of the keywords further comprises:

selecting a keyword associated with a predetermined brand from the keywords sorted by category; and

sorting the selected keyword by brand and constructing a keyword set for each brand,

wherein the search intention for each keyword is set with respect to the keyword set for each brand.

7 . The advertisement providing method of claim 2 , wherein the defining of the search intention for each keyword and the content type for each search intention further comprises:

dividing a content type of an advertisement content into at least two content types; and

setting the content type corresponding to the defined search intention of each of the at least two stages.

8 . The advertisement providing method of claim 7 , wherein the content type of the advertisement content is divided into contents providing information-oriented advertisement information and contents providing purchase-oriented advertisement information.

9 . The advertisement providing method of claim 7 , wherein the providing of the advertisement content list comprises:

determining the search intention of the keyword inputted by the user;

determining the content type of the advertisement content corresponding to the search intention of the keyword;

generating the advertisement content list corresponding to the search intention from advertisement contents associated with the keyword; and

presenting the advertisement content list corresponding to the search intention.

10 . A computer-readable recording medium storing a program for implementing the method according to claim 1 .

11 . An advertisement providing system, comprising:

a database storing an advertisement of an advertiser in association with a predetermined content type for each advertisement and storing a predetermined search intention for each keyword and a content type for each search intention; and

an advertisement providing unit providing, when a user inputs a keyword, an advertisement content list based on a search intention of the inputted keyword.

12 . The advertisement providing system of claim 11 , wherein the advertisement providing unit comprises:

a search intention determination unit determining the search intention of the inputted keyword and determining a content type corresponding to the search intention; and

an advertisement presentation unit generating an advertisement content list corresponding to the search intention from advertisement contents associated with the keyword and presenting the generated advertisement content list.

13 . The advertisement providing system of claim 11 , wherein the search intention is defined as at least two stages, and is set in each of the at least two stages based on a characteristic of each keyword and a characteristic of an advertisement content associated with each of the keywords after collecting the keywords.

14 . The advertisement providing system of claim 13 , wherein the search intention of the at least two stages includes an information collection stage intended for information acquisition in association with a purchase and a purchase determination stage intended for an actual purchase.

15 . The advertisement providing system of claim 13 , wherein the characteristic of each of the keywords is divided into a keyword characteristic intended for information acquisition and a keyword characteristic intended for an actual purchase, and the characteristic of the advertisement content is divided into an information-oriented content characteristic and a purchase-oriented content characteristic.

16 . The advertisement providing system of claim 13 , wherein the content type for each search intention is obtained by dividing a content type of an advertisement content into at least two content types, and the content type of the advertisement content is set corresponding to the defined search intention of each of the at least two stages.

17 . The advertisement providing system of claim 16 , wherein the content type is divided into contents providing information-oriented advertisement information and contents providing purchase-oriented advertisement information.