| 摘要 |
<P>PROBLEM TO BE SOLVED: To reflect importance for each keyword which a user considers in retrieval. <P>SOLUTION: When a plurality of keywords are inputted for retrieval, a server computer recognizes a retrieval rate for information retrieval of each keyword to the plurality of keywords on the basis of information inputted in association with each keyword, and retrieves information related to each keyword of the plurality of keywords with the retrieval rate corresponding to each keyword, from retrieval objects and outputs it. <P>COPYRIGHT: (C)2013,JPO&INPIT |
