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Article
Aggregate Queries Over Conditional Tables
Conditional tables have been identified long ago as a way to capture unknown or incomplete information. However, queries over conditional tables have never been allowed to involve column functions such as aggr...
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Article
Using Constraint Satisfaction for View Update
View update is the problem of translating update requests against a view into update requests against the base data. In this article, we present a novel approach to generating alternative translations of view ...