| 摘要 |
PURPOSE: A computer readable recording medium in which an expanded point of interest (POI) data structure is provided to record the expanded POI data structure for recording variation in the position of POI, and to manage the history of the moved POI. CONSTITUTION: A computer readable recording medium in which an expanded point of interest (POI) data structure includes a POI key field (10), a sub key field (20), and a position field (30). The POI key field has identification information for POI, the sub key field has position variation information for the POI, and the position field has position information for the POI. The position field includes a latitude field having latitude information for the POI, a longitude field having longitude information for the POI, and an altitude field having altitude information for the POI. The medium includes a state field (40) having event information for an event generated in the POI. [Reference numerals] (10) POI key field; (20) Sub key field; (31) Latitude field; (32) Longitude field; (33) Altitude field; (40) State field; (50) Date field; (60) Relation field |
