USER RELATION EXTRACTION DEVICE, USER RELATION EXTRACTION METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a user relation extraction device or the like, capable of gripping relationship of a plurality of users.;SOLUTION: A user relation extraction device 1 comprises: an acquisition part that acquires an entering/leaving history that indicates time when each user enters into a designated area and leaves from the designated area; an extraction part that extracts multiple users associated with respective time points of entering or leaving that are within a predetermined time length, or with a length of staying together in the specified area that is equal to or longer than a predetermined length; an aggregation part that aggregates a number of entering or leaving times or lengths of staying of the plurality of users in a predetermined period from the extracted entering/leaving history of the plurality of users; and an estimation part that estimates a relationship of the plurality of users on the basis of an aggregation result.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT