368 search results - page 51 / 74 » Efficient exploitation of similar subexpressions for query p... |
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
ICIP
2009
IEEE
13 years 6 months ago
2009
IEEE
To have a robust and informative image content representation for image categorization, we often need to extract as many as possible visual features at various locations, scales a...
BTW
2009
Springer
13 years 10 months ago
2009
Springer
Abstract: Multimedia databases are increasingly common in science, business, entertainment and many other applications. Their size and high dimensionality of features are major cha...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
UAI
2000
13 years 10 months ago
2000
Techniques for plan recognition under uncertainty require a stochastic model of the plangeneration process. We introduce probabilistic state-dependent grammars (PSDGs) to represen...