Sciweavers

805 search results - page 3 / 161
» On the Role of Integrity Constraints in Data Integration
Sort
View
ANOR
2010
106views more  ANOR 2010»
13 years 8 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»
13 years 7 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
13 years 1 days 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
13 years 9 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
13 years 10 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...