222 search results - page 37 / 45 » Approximation Algorithms for the Job Interval Selection Prob... |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
ICML
2007
IEEE
14 years 9 months ago
2007
IEEE
We consider the problem of choosing, sequentially, a map which assigns elements of a set A to a few elements of a set B. On each round, the algorithm suffers some cost associated ...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
CONSTRAINTS
1998
13 years 8 months ago
1998
Abstract. Temporal Constraint Satisfaction is an information technology useful for representing and answering queries about the times of events and the temporal relations between t...
SECON
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—In contrast to existing work on the connected coverage problem in wireless sensor networks which assumes omnidirectional sensors with disk-like sensing range, this paper...