Semantic metrics

Hu, Bo; Kalfoglou, Yannis; Dupplaw, David; Alani, Harith; Lewis, Paul and Shadbolt, Nigel (2006). Semantic metrics. In: EKAW- 15th International Conference on Knowledge Engineering and Knowledge Management Managing Knowledge in a World of Networks, 2-6 Oct 2006, Czech Republic, Springer.

URL: http://ekaw.vse.cz/

Abstract

In the context of the Semantic Web, many ontology-related operations, e.g. ontology ranking, segmentation, alignment, articulation, reuse, evaluation, can be boiled down to one fundamental operation: computing the similarity and?or dissimilarity among ontological entities, and in some cases among ontologies themselves. In this paper, we review standard metrics for computing distance measures and we propose a series of semantic metrics. We give a formal account of semantic metrics drawn from a variety of research disciplines, and enrich them with semantics based on standard Description Logic constructs. We argue that concept-based metrics can be aggregated to produce numeric distances at ontology-level and we speculate on the usability of our ideas through potential areas.

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