| 摘要 |
PROBLEM TO BE SOLVED: To search a Web page related to a user's activity. SOLUTION: The Web search device 1 includes: an activity detection part 3 which detects, based on sensor data received from a sensor node 2 installed to each object, an activity that is a time range in which each object is used; a Dos calculation part 40 which calculates, with respect to a plurality of objects for which the activity is detected, Dos that is an index showing a similarity of use state; a cluster analysis part 41 which classifies, based on the Dos, the plurality of objects for which the activity is detected to clusters; a filter part 42 which deletes a cluster containing only objects used only for a predetermined time or less of the plurality of objects for which the activity is detected; and a query creation part 50 which creates a sub-query including the name of an object belonging to a cluster output from the filter part 42 as a keyword. COPYRIGHT: (C)2009,JPO&INPIT
|
