15485 search results - page 2992 / 3097 » Computing Optimal Subsets |
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
With rapid advances in video processing technologies and ever fast increments in network bandwidth, the popularity of video content publishing and sharing has made similarity sear...
SIGMOD
2001
ACM
14 years 9 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...
PODS
2002
ACM
14 years 9 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...