| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for retrieving a keyword without interpreting characters when character codes with the content of a Web page and the keyword of the advertisement respectively recorded therein are coincident. <P>SOLUTION: An advertisement server includes: a keyword recording means for recording the keyword concerning the advertisement with the use of one or more character codes; a character code recognizing means for recognizing the character code with the information concerning the Web page recorded therein; a keyword reading means for reading the keyword recorded in the keyword recording means with the use of the character code being the same as that which is recognized by the character code recognizing means; and a keyword determining means for determining whether the keyword is included in the Web page or not by comparing the information concerning the Web page with the keyword through the use of the character codes. <P>COPYRIGHT: (C)2010,JPO&INPIT |
