501 search results - page 3 / 101 » Simplification of Integrity Constraints for Data Integration |
IJCAI
2003
13 years 10 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
DEXAW
2006
IEEE
14 years 2 months ago
2006
IEEE
Traditional methods for integrity checking in relational or deductive databases heavily rely on the assumption that data have integrity before the execution of updates. In this wa...
PVLDB
2008
13 years 7 months ago
2008
Integrity constraints, a.k.a. data dependencies, are being widely used for improving the quality of schema. Recently constraints have enjoyed a revival for improving the quality o...
DLOG
2011
13 years 1 days ago
2011
Linked Data makes one central addition to the Semantic Web principles: all entity URIs should be dereferenceable to provide an authoritative RDF representation. URIs in a linked da...
GLOBE
2008
Springer
13 years 9 months ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...