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» On the Role of Integrity Constraints in Data Integration
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ANOR
2010
106views more  ANOR 2010»
15 years 6 months ago
An ALM model for pension funds using integrated chance constraints
We discuss integrated chance constraints in their role of short-term risk constraints in a strategic ALM model for Dutch pension funds. The problem is set up as a multistage recou...
Willem K. Klein Haneveld, Matthijs H. Streutker, M...
PVLDB
2008
106views more  PVLDB 2008»
15 years 4 months ago
A revival of integrity constraints for data cleaning
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...
Wenfei Fan, Floris Geerts, Xibei Jia
DLOG
2011
14 years 9 months ago
Integrity Constraints for Linked Data
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...
Alan Jeffrey, Peter F. Patel-Schneider
GLOBE
2008
Springer
15 years 7 months ago
Query Propagation in a P2P Data Integration System in the Presence of Schema Constraints
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...
Tadeusz Pankowski
IJCAI
2003
15 years 7 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...