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POINT SEARCHING DEVICE, NAVIGATION DEVICE, POINT SEARCHING METHOD, POINT SEARCHING PROGRAM, AND INFORMATION RECORDING MEDIUM WHERE THE POINT SEARCHING PROGRAM IS RECORDED
POINT SEARCHING DEVICE, NAVIGATION DEVICE, POINT SEARCHING METHOD, POINT SEARCHING PROGRAM, AND INFORMATION RECORDING MEDIUM WHERE THE POINT SEARCHING PROGRAM IS RECORDED
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机译:记录点搜索程序的点搜索设备,导航设备,点搜索方法,点搜索程序和信息记录介质
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摘要
Enabling a partial update of data for spot search and improvement of update operation efficiency.;The data for spot search is constituted by (a) a plurality of spot search files RF-k having constitutional elements of POI data, (b) a menu display file MNF for displaying a search screen, and (c) an area table TBL. When periphery search is carried out, a mesh code where a spot on map designated by a user belongs is specified on the basis of the menu display file MNF and a search key containing the mesh code is generated. Further, the spot search file RF-k corresponding to the search key is specified on the basis of the area administration table TBL and extracts POI data corresponding to a facility, existing in a periphery of a spot which is designated by the user, is extracted out of the POI data contained in the spot search file RF-k.
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