| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system for efficiently retrieving target information by automatically extracting a character string from document information, etc. already stored in a terminal of a user in addition to a character string to be input by the user and changing the priority of display in character string retrieval on the Internet. <P>SOLUTION: An information processing apparatus PC 100 which acquires information on the Internet from a server has a storage device 5 which stores a document file and a related character string extraction processing part 2 which extracts a frequent character string from the document file, and displays the information acquired by information retrieval on the Internet using the frequent character string. <P>COPYRIGHT: (C)2012,JPO&INPIT |
