84 search results - page 11 / 17 » Querying Mobile Objects in Spatio-Temporal Databases |
ICDT
1999
ACM
15 years 1 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
149
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
In this demonstration we present MAPLE, a scalable peer-to-peer Nearest Neighbor (NN) query system for mobile environments. MAPLE is designed for the efficient sharing of query re...
GIS
2008
ACM
14 years 10 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
169
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
163
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GIS
2003
ACM
15 years 10 months ago
2003
ACM
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...