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Using constraints to describe source contents in data integration systems

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1 Author(s)
Chen Li ; Sch. of Inf. & Comput. Sci., California Univ., Irvine, CA, USA

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.

Published in:

Intelligent Systems, IEEE  (Volume:18 ,  Issue: 5 )