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Published in:
2013 | OriginalPaper | Chapter
Forgetting under the Well-Founded Semantics
Authors : José Júlio Alferes, Matthias Knorr, Kewen Wang
Published in: Logic Programming and Nonmonotonic Reasoning
Publisher: Springer Berlin Heidelberg
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In this paper, we develop a notion of forgetting for normal logic programs under the well-founded semantics. We show that a number of desirable properties are satisfied by our approach. Three different algorithms are presented that maintain the computational complexity of the well-founded semantics, while partly keeping its syntactical structure.