ICDT
2012
ACM
12 years 3 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ICDE
1998
IEEE
14 years 5 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
WIDM
2003
ACM
14 years 6 months ago
2003
ACM
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
APWEB
2004
Springer
14 years 6 months ago
2004
Springer
Abstract. Integrity constraints play a fundamental role in defining semantics in both conventional databases and in XML documents. In this paper we generalize previous approaches ...
IAT
2005
IEEE
14 years 6 months ago
2005
IEEE
Multiagent Bayesian networks (MABNs) are a powerful new framework for uncertainty management in a distributed environment. In a MABN, a collective joint probability distribution i...
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ICDE
2003
IEEE
15 years 2 months ago
2003
IEEE
Determining relationships such as functional or inclusion dependencies within and across databases is important for many applications in information integration. When such informa...