A graph-based approach for extracting terminological properties from information sources with heterogeneous formats

  • Authors:

  • Luigi Palopoli;Domenico Rosaci;Giorgio Terracina;Domenico Ursino

  • Affiliations:

  • DEIS – Università della Calabria, Rende (CS), Italy;DIMET – Università “Mediterranea” di Reggio Calabria, Reggio Calabria, Italy;Università della Calabria, Dipartimento di Matematica, Via Pietro Bucci, 87036, Rende (CS), Italy;DIMET – Università “Mediterranea” di Reggio Calabria, Reggio Calabria, Italy

  • Venue:
  • Knowledge and Information Systems
  • Year:
  • 2005

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Abstract

The problem of handling both the integration and the cooperation of a large number of information sources characterised by heterogeneous representation formats is a challenging issue. In this context, a central role can be played by the knowledge about the semantic relationships holding between concepts belonging to different information sources (intersource properties). In this paper, we propose a semiautomatic approach for extracting two kinds of intersource properties, namely synonymies and homonymies, from heterogeneous information sources. In order to carry out the extraction task, we introduce both a conceptual model, for representing involved sources, and a metrics, for measuring the strength of the semantic relationships holding among concepts represented within the same source.