ICDT
2012
ACM
12 years 1 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 3 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 4 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 4 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 5 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...
ICDE
2003
IEEE
15 years 24 days 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...