902 search results - page 93 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
195
Voted
ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
To retrieve similar database videos to a query clip, each video is typically represented by a sequence of highdimensional feature vectors. Given a query video containing m feature...
113
Voted
ICDT
2005
ACM
15 years 8 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
134
Voted
INFOCOM
2006
IEEE
15 years 8 months ago
2006
IEEE
—Wireless local area network (WLAN) systems are widely implemented today to provide hot spot coverage. Operated typically in an infrastructure mode, each WLAN is managed by an ac...
133
Voted
ICDE
2008
IEEE
15 years 9 months ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
114
Voted
PODS
2008
ACM
16 years 2 months ago
2008
ACM
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...