4894 search results - page 935 / 979 » The Guarding Problem - Complexity and Approximation |
ECCV
2002
Springer
14 years 9 months ago
2002
Springer
In this paper we discuss the issues that need to be resolved before fully automated outdoor surveillance systems can be developed, and present solutions to some of these problems. ...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Tuple dropping, though commonly used for load shedding in most stream operations, is inadequate for m-way, windowed stream joins. The join output rate can be overly reduced becaus...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
We consider the problem of continuously maintaining order sketches over data streams with a relative rank error guarantee . Novel space-efficient and one-scan randomised technique...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Incremental view maintenance has found a growing number of applications recently, including data warehousing, continuous query processing, publish/subscribe systems, etc. Batch pr...