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with Propositional satisfiability problem as keyword
Lonlac, Jerry Ouled Dlala, Imen Jabbour, Saïd Mephu Nguifo, Engelbert Raddaoui, Badran Saïs, Lakhdar
Gradual patterns extract useful knowledge from numerical databases as attribute co-variations. This article introduces a constraint-based modeling framework for the problem of extracting frequent gradual patterns from numerical data. Our declarative framework provides a principle way to take advantage of recent advancements in satisfiability testin...
Hidouri, Amel Jabbour, Saïd Lonlac, Jerry Raddaoui, Badran
Gradual itemsets model complex attributes covariations of the form the more or less is A, the more or less is B. Recently, such kind of itemsets has received great attention over the last years, and several proposals have been introduced to automatically extract these patterns from numerical databases. Unfortunately, discovering such itemsets remai...
