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SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
MOBIHOC
2004
ACM
14 years 9 months ago
2004
ACM
A Wireless Personal Area Network (WPAN) provides wireless links among proximate devices, usually carried by an individual. As WPAN gains momentum in ubiquitous usage, the interfer...
WWW
2010
ACM
14 years 5 months ago
2010
ACM
Today the major web search engines answer queries by showing ten result snippets, which need to be inspected by users for identifying relevant results. In this paper we investigat...
IPSN
2010
Springer
14 years 4 months ago
2010
Springer
Event detection is a major issue for applications of wireless sensor networks. In order to detect an event, a sensor network has to identify which application-specific incident h...