1497 search results - page 82 / 300 » Constraint Databases: A Survey |
SAC
2006
ACM
15 years 3 months ago
2006
ACM
Constraint-based mining techniques on sequence databases have been studied extensively the last few years and efficient algorithms enable to compute complete collections of patte...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
VLDB
1999
ACM
15 years 2 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
A workflow consists of a collection of coordinated tasks designed to carry out a welldefined complex process, such as catalog ordering, trip planning, or a business process in an ...
CORR
2010
Springer
14 years 8 months ago
2010
Springer
We study active integrity constraints and revision programming, two formalisms designed to describe integrity constraints on databases and to specify policies on preferred ways to...