189 search results - page 14 / 38 » Approximating predicates and expressive queries on probabili... |
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
One important way in which sampling for approximate query processing in a database environment differs from traditional applications of sampling is that in a database, it is feasi...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Incorporating probabilities into the semantics of incomplete databases has posed many challenges, forcing systems to sacrifice modeling power, scalability, or treatment of relatio...
BTW
2005
Springer
14 years 2 months ago
2005
Springer
: Access control is an important aspect in guaranteeing data privacy within XML data sources which are accessed by users with different access rights. The goal of predicative acces...
ICDE
2004
IEEE
14 years 10 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...