Title :
Using constraints to describe source contents in data integration systems
Author_Institution :
Sch. of Inf. & Comput. Sci., California Univ., Irvine, CA, USA
Abstract :
In data integration systems, information sources often have constraints, such as "all houses stored at a source have a unique address." These constraints are useful in computing answers to queries and facilitating information exchange.
Keywords :
Web sites; constraint handling; data description; distributed databases; query processing; Web sources; constraints; data integration systems; information exchange; information sources; queries; source content description; Cities and towns; Constraint optimization; Databases; Information retrieval; Mediation; Query processing; Scalability;
Journal_Title :
Intelligent Systems, IEEE
DOI :
10.1109/MIS.2003.1234769
