| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to freely have a virtual dialog with a character, and raise user interest. SOLUTION: A virtual dialog system 1 comprises a keyword extraction means 8 for extracting a predetermined keyword from a sentence inputted from a client terminal 2; a response database 6 for storing a character response corresponding to the keyword; and a response control means 9 for retrieving a character response corresponding to the keyword extracted by the keyword extraction means 8 from the response database 6 and delivering it to the client terminal 2. COPYRIGHT: (C)2008,JPO&INPIT
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