Browsing USN Open Archive by Author "Forssell, Henrik"
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On equivalence and cores for incomplete databases in open and closed worlds
Forssell, Henrik; Kharlamov, Evgeny; Thorstensen, Evgenij (Chapter, 2020)Data exchange heavily relies on the notion of incomplete database instances. Several semantics for such instances have been proposed and include open (OWA), closed (CWA), and open-closed (OCWA) world. For all these semantics ...