Using constraints to describe source contents in data integration systems

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.

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Bibliographic Details
Published inIEEE intelligent systems Vol. 18; no. 5; pp. 49 - 53
Main Author Chen, Li
Format Journal Article
LanguageEnglish
Published Los Alamitos IEEE 01.09.2003
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Cities and towns
Computation
Constraint optimization
Data integration
Houses
Information retrieval
Information sources
Mediation
Queries
Query processing
Scalability
Systems integration
Online AccessGet full text
ISSN1541-1672
1941-1294
DOI10.1109/MIS.2003.1234769

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Summary: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.
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ISSN:1541-1672
1941-1294
DOI:10.1109/MIS.2003.1234769