Hiroshi Shimoura

  • Citations Per Year
Learn More
In geographical databases for navigation, users raise various types of queries concerning route guidance. The most fundamental query is a shortest-route query, but, as dynamical tra c information newly becomes available and the static geographical database of roads itself has grown up further, more exible queries are required to realize a user-friendly(More)
In geographical databases for navigation, users raise various types of queries concerning route guidance. The most fundamental query is a shortest-route query, but, as dynamical traffic information newly becomes available and the static geographical database of roads itself has grown up further, more flexible queries are required to realize a user-friendly(More)
  • 1