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Cognitive context and arguments from ontologies for learning

By C. Panayioutou and B. Bennett

Abstract

The deployment of learning resources on the web by different experts has resulted in the accessibility of multiple viewpoints about the same topics. In\ud this work we assume that learning resources are underpinned by ontologies. Different formalizations of domains may result from different contexts, different use of\ud terminology, incomplete knowledge or conflicting knowledge. We define the notion of cognitive learning context which describes the cognitive context of an agent who refers to multiple and possibly inconsistent ontologies to determine the truth of a proposition. In particular we describe the cognitive states of ambiguity and inconsistency\ud resulting from incomplete and conflicting ontologies respectively. Conflicts between ontologies can be identified through the derivation of conflicting arguments\ud about a particular point of view. Arguments can be used to detect inconsistencies between ontologies. They can also be used in a dialogue between a human learner and a software tutor in order to enable the learner to justify her views and detect inconsistencies between her beliefs and the tutor’s own. Two types of arguments are discussed, namely: arguments inferred directly from taxonomic relations\ud between concepts, and arguments about the necessary an

Publisher: IOS Press
Year: 2008
OAI identifier: oai:eprints.whiterose.ac.uk:7825

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