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Identifying Disease-Centric Subdomains in Very Large Medical Ontologies: A Case-Study on Breast Cancer Concepts in SNOMED CT. Or: Finding 2500 Out of 300.000

  • Krystyna Milian
  • Zharko Aleksovski
  • Richard Vdovjak
  • Annette ten Teije
  • Frank van Harmelen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5943)

Abstract

Modern medical vocabularies can contain up to hundreds of thousands of concepts. In any particular use-case only a small fraction of these will be needed. In this paper we first define two notions of a disease-centric subdomain of a large ontology. We then explore two methods for identifying disease-centric subdomains of such large medical vocabularies. The first method is based on lexically querying the ontology with an iteratively extended set of seed queries. The second method is based on manual mapping between concepts from a medical guideline document and ontology concepts. Both methods include concept-expansion over subsumption and equality relations. We use both methods to determine a breast-cancer-centric subdomain of the SNOMED CT ontology. Our experiments show that the two methods produce a considerable overlap, but they also yield a large degree of complementarity, with interesting differences between the sets of concepts that they return. Analysis of the results reveals strengths and weaknesses of the different methods.

Keywords

identifying ontology subdomain disease related concepts ontology subsetting mapping medical terminologies seed queries medical guidelines 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Krystyna Milian
    • 1
  • Zharko Aleksovski
    • 2
  • Richard Vdovjak
    • 2
  • Annette ten Teije
    • 1
  • Frank van Harmelen
    • 1
  1. 1.Vrije Universiteit AmsterdamNetherlands
  2. 2.Philips ResearchNetherlands

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