Program for place joint ownership analytical device and method and place joint ownership analysis

摘要

P To provide information related to connections of persons having portable devices. PSOLUTION: A location sharing analyzer stores search result information which includes device identification codes of other portable devices 15 and 16 transmitted from an information providing portable device 15, a search date, and the reception intensity, and is associated with the device identification code of the information providing portable device and in a search result database device 12. The location sharing analyzer normalizes the reception intensity according to the type of the portable device, calculates a position estimation range that is an estimated range of positions of the other portable devices searched, using the information providing portable device searching as a center, and defines and when the reception intensities of a set of two non-providing portable devices 16 having a same search time zone are in an equal position estimation range in each of the two information providing portable devices 15, that the set of non-providing portable devices share the location. PCOPYRIGHT: (C)2013 and JPO& INPIT