Integrating Business Listings with Digital Maps for Use in Vehicles 910062

Digital maps have been used in vehicles since 1985, primarily for navigation and driver guidance. A natural evolution in Advanced Driver Information Systems (ADIS) is the development of a variety of in-car computer application programs that will run on a reconfigurable display. Navigation will be one of the most -- if not the most -- significant menu item, along with such offerings as: business listings; tourist attractions; a personal database and dialing directory; and stored and real-time diagnostics information. These in turn will be augmented by other Intelligent Vehicle/Highway System (IVHS) services, such as real-time traffic and weather reporting [1].
The integration of business listings with a digital map, and presentation of this amalgamated information to the driver is an important first step in the evolution of ADIS. In this paper we propose a user interface for accessing listings data, the organization of the map and listings data required to support such an interface, and the resulting requirements imposed upon the listings data itself.
Queries include standard text based searches such as locating a listing by name or by subject, along with geographic queries such as finding the nearest listing to a location for a given subject, and finding all listings within a given proximity to a location for display on a map.
Finally, the distinction between static and dynamic listings query is discussed. The advantage of dynamic listings are pointed out as well as its attendant implications to data structures.


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