651 search results - page 5 / 131 » Selectivity estimation in spatial networks |
ICASSP
2009
IEEE
15 years 6 months ago
2009
IEEE
This paper proposes selective update and cooperation strategies for parameter estimation in distributed adaptive sensor networks. A setmembership filtering approach is employed t...
110
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ADC
2003
Springer
15 years 5 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
102
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
GEOINFORMATICA
2006
14 years 11 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
GLOBECOM
2009
IEEE
14 years 9 months ago
2009
IEEE
Cooperative relaying is a communication technique in wireless networks where neighboring nodes assist communication pairs to mitigate the negative effects of multi-path fading. The...