189 search results - page 3 / 38 » Approximating predicates and expressive queries on probabili... |
SSD
2005
Springer
14 years 2 months ago
2005
Springer
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
DASFAA
2009
IEEE
14 years 3 months ago
2009
IEEE
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
JASIS
2000
13 years 8 months ago
2000
In the logical approach to information retrieval (IR), retrieval is considered as uncertain inference. Whereas classical IR models are based on propositional logic, we combine Dat...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...