Justification masking in ontologies

Matthew Horridge, Bijan Parsia, Ulrike Sattler

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    This paper presents a characterisation of and definitions for the phenomenon of masking in the context of justifications for entailments in ontologies. In essence masking is present within a justification, over a set of justifications, or over a complete ontology when the number of justifications for an entailment does not reflect the number of reasons for that entailment. Four types of masking are defined in this paper: Internal Masking, Cross Masking, External Masking and Shared Core Masking. The results of an empirical study are presented which shows that the phenomenon of masking is prevalent throughout ontologies with non-trivial entailments in the NCBO BioPortal corpus. Out of 72 ontologies, 53 exhibited some form of masking, with 9 ontologies exhibiting internal masking, 23 ontologies exhibiting external masking, and 53 ontologies exhibiting shared core masking. Copyright © 2012, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved.
    Original languageEnglish
    Title of host publication13th International Conference on the Principles of Knowledge Representation and Reasoning, KR 2012|Int. Conf. Princ. Knowl. Represent. Reasoning, KR
    Pages623-627
    Number of pages4
    Publication statusPublished - 2012
    Event13th International Conference on the Principles of Knowledge Representation and Reasoning, KR 2012 - Rome
    Duration: 1 Jul 2012 → …

    Conference

    Conference13th International Conference on the Principles of Knowledge Representation and Reasoning, KR 2012
    CityRome
    Period1/07/12 → …

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