| 摘要 |
Disclosed are a search method using an extended keyword pool and a system for implementing the method. The search system using the extended keyword pool includes: a purchased-keyword module that searches keywords with a purchasing history about searched advertisements and generates a purchased-keyword set; an additional-keyword module that generates an additional-keyword set by extracting keywords from at least one source; an integrated search keyword module that generates an integrated keyword set by searching the keywords each for which returns more than a certain number of hits in a query including the purchased and additional keywords; and a search module that uses the keywords included in the purchased-keyword set, the additional-keyword set, and the integrated searching keyword set, as a keyword pool in order to provide related or extended keywords for a certain keyword. |
