| 摘要 |
PROBLEM TO BE SOLVED: To provide an information presentation device, in which a user can recognize a quantity of information necessary for himself/herself at a glance without directly setting a retrieval keyword. SOLUTION: When a content presentation means 330 transmits a content to a user terminal 100, a history collection means 340 collects browsing history thereof. An interest keyword generation means 340 generates an interest keyword from contents in the browsing history, and stores it in an interest keyword storage means 360 in relation with a user ID. When access is performed next time with this user ID, an interest keyword extraction means 370 extracts the corresponding interest keyword, a content count presentation means 380 retrieves a content storage means 310 with the extracted interest keyword, and presents the number of corresponding contents to the user terminal 10. COPYRIGHT: (C)2007,JPO&INPIT
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