856 search results - page 107 / 172 » Location-based Spatial Queries |
109
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ADBIS
2000
Springer
15 years 5 months ago
2000
Springer
We consider queries which originate from a mobile unit and whose result depends on the location of the user who initiates the query. Example of such a query is How many people are ...
121
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EDBT
1998
ACM
15 years 5 months ago
1998
ACM
Efficient evaluation of similarity queries is one of the basic requirements for advanced multimedia applications. In this paper, we consider the relevant case where complex similar...
143
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DASFAA
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract. Continuous monitoring of spatial queries has received significant research attention in the past few years. In this paper, we propose two efficient algorithms for the con...
ADBIS
2010
Springer
15 years 2 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
167
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TWC
2011
14 years 7 months ago
2011
Abstract—We target a two-tier sensor network with resourcerich master nodes at the upper tier and resource-poor sensor nodes at the lower tier. Master nodes collect data from sen...