Method of making update information of map data and differential data of map data updating system
作者： Noriko Kato
DOI:
关键词: Information retrieval 、 Differential (infinitesimal) 、 Data mining 、 Computer science
摘要: A differential update method for vehicular navigation apparatus, which can precisely map data stored in a storage medium to up-to-date contents. When provider of CD generates original each year, the puts permanent identification information (ID) graphic CD. year from data, administration ID and position are associated with other. After that, also prepares by comparing 20XX version 20XY 20XX. The updating based on information, so that is updated how updated. transmits apparatus.
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