829 search results - page 149 / 166 » Location-aware Query Processing and Optimization |
EDBT
2008
ACM
15 years 9 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...
INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— While structured P2P systems (such as DHTs) are often regarded as an improvement over unstructured P2P systems (such as super-peer networks) in terms of routing efficiency, it...
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
Data dissemination in sensor networks requires four components: resource discovery, route establishment, packet forwarding, and route maintenance. Resource discovery can be the mos...
SSDBM
2010
IEEE
14 years 7 months ago
2010
IEEE
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
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VLDB
1997
ACM
15 years 1 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...