Journal
INTERNATIONAL JOURNAL OF APPROXIMATE REASONING
Volume 120, Issue -, Pages 184-202Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ijar.2020.02.010
Keywords
Three-way decisions; Knowledge-based systems; Variable forgetting; Knowledge Harnessing
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The present work introduces the Knowledge Harnessing, by showing its theoretical foundations as well as a three-way decision model to deal with it. The problem poses how to extract valid information about a specific context from conflicting or uncertain information received by a system (or agent). With this aim, forgetting variable operators are used to both characterize the problem from the logical point of view and provide a theoretical solution as an acceptance-rejection problem. Since the formalization is semantic in nature (it considers the models of the knowledge base that admit the extracted knowledge), general bounds are provided for acceptance-rejection evaluation on boundary region. (C) 2020 Elsevier Inc. All rights reserved.
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