188 search results - page 29 / 38 » Query evaluation with soft-key constraints |
CVPR
2011
IEEE
12 years 11 months ago
2011
IEEE
We address the problem of multi-person tracking in a complex scene from a single camera. Although trackletassociation methods have shown impressive results in several challenging ...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
SENSYS
2004
ACM
14 years 24 days ago
2004
ACM
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...
POLICY
2004
Springer
14 years 22 days ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Automatically generating sufficient database states is imperative to reduce human efforts in testing database applications. Complementing the traditional block or branch coverage...