651 search results - page 5 / 131 » Selectivity estimation in spatial networks |
ICASSP
2009
IEEE
14 years 2 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...
ADC
2003
Springer
14 years 22 days 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,...
SIGMOD
2004
ACM
14 years 7 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
13 years 7 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
13 years 5 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...