| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information retrieval method convenient for a user. <P>SOLUTION: An information processing apparatus comprises: first retrieval means for retrieving contents by using a first text; extracting means for extracting a second text from the contents retrieved by the first retrieval means; and second retrieval means for retrieving contents by using the first text and the second text. <P>COPYRIGHT: (C)2013,JPO&INPIT |
