Toponym Disambiguation Using Ontology-Based Semantic Similarity

  • David S. Batista
  • João D. Ferreira
  • Francisco M. Couto
  • Mário J. Silva
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7243)

Abstract

We propose a new heuristic for toponym sense disambiguation, to be used when mapping toponyms in text to ontology concepts, using techniques based on semantic similarity measures. We evaluated the proposed approach using a collection of Portuguese news articles from which the geographic entity names were extracted and then manually mapped to concepts in a geospatial ontology covering the territory of Portugal. The results suggest that using semantic similarity to disambiguate toponyms in text produces good results, in comparison with a baseline method.

Keywords

semantic similarity ontologies toponym sense disambiguation geographic information retrieval 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • David S. Batista
    • 1
  • João D. Ferreira
    • 2
  • Francisco M. Couto
    • 2
  • Mário J. Silva
    • 1
  1. 1.IST/INESC-ID LisbonLisbonPortugal
  2. 2.LaSIGEUniversity of LisbonLisbonPortugal

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