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J Biomed Inform. 2011 Feb;44(1):163-79. doi: 10.1016/j.jbi.2010.07.006. Epub 2010 Jul 18.

Natural Language Processing methods and systems for biomedical ontology learning.

Author information

  • 1Department of Biomedical Informatics, University of Pittsburgh School of Medicine, PA 15232, USA.

Abstract

While the biomedical informatics community widely acknowledges the utility of domain ontologies, there remain many barriers to their effective use. One important requirement of domain ontologies is that they must achieve a high degree of coverage of the domain concepts and concept relationships. However, the development of these ontologies is typically a manual, time-consuming, and often error-prone process. Limited resources result in missing concepts and relationships as well as difficulty in updating the ontology as knowledge changes. Methodologies developed in the fields of Natural Language Processing, information extraction, information retrieval and machine learning provide techniques for automating the enrichment of an ontology from free-text documents. In this article, we review existing methodologies and developed systems, and discuss how existing methods can benefit the development of biomedical ontologies.

Published by Elsevier Inc.

PMID:
20647054
[PubMed - indexed for MEDLINE]
PMCID:
PMC2990796
Free PMC Article
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