Provenance Calculus and Possibilistic Logic: A Parallel and a Discussion
Salem Benferhat,
Didier Dubois,
Henri Prade
Abstract:Provenance calculus has been introduced, about fifteen years ago, for complementing relational algebra calculations in databases, with semiring operations in order to handle data lineage, incomplete or probabilistic information. Possibilistic logic has started to be developed twenty years before, initially for dealing with epistemic uncertainty, using the max-min semiring. Since then, several variants and generalizations of possibilistic logic have been proposed, involving various semirings. All these forms of… Show more
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