3514 search results - page 25 / 703 » On Moving Object Queries |
109
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ISCAPDCS
2004
15 years 1 months ago
2004
Location based services in mobile environments have been recognized as a challenging problem that calls for new service models and dynamic strategies. The problem becomes even har...
116
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COMAD
2008
15 years 1 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
192
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GIS
2007
ACM
16 years 24 days ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
182
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
IJOCI
2010
14 years 9 months ago
2010
We present a time-efficient approach to index objects moving on the plane to efficiently answer range queries about their future positions. Each object is moving with non small ve...