Point of interest search device and point of interest search method

摘要

A point of interest (POI) search device includes: a static POI data storage means 100 for storing therein a static POI data registered in advance; an added POI data storage means 120 for storing therein an added POI data added or changed; a deleted POI data storage means 115 for storing therein a deleted POI data for identifying a POI data which is not subjected to a search anymore, among the static POI data; a search keyword setting means 19; a computation switch means 11 for computing the number of POI data matching the search keyword 410, 411 from among the static POI data and switching a computation processing of computing the number of POI data according to the computed number of POI data; and a POI search means 145 for computing the number of POI data, using at least the static POI data and the added POI data according to the switched computation processing.