| 摘要 |
<P>PROBLEM TO BE SOLVED: To specify a position of an object without using reference data capable of acquiring specifying an absolute position such as position acquisition by GPS or position by a tag reader. <P>SOLUTION: An article search device 100 determines, when a search object is designated, a final detection date and time when the search object is detected finally based on detection record data, determines, based on the final detection date and time and detection record data, an object owned by a person different from the owner of an object that is the search object of objects detected at the same date and time as the final detection date and time, and the position of the search object is determined based on a schedule table of the owner of the determined object. <P>COPYRIGHT: (C)2009,JPO&INPIT |
