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Capturing the semantic relationship between clinical terms with current MeSH bibliographic coding.

P L Miller1, P Smith, J S Morrow

  • 1Department of Anesthesiology, Yale University School of Medicine, New Haven, CT 06510.

Computer Methods and Programs in Biomedicine
|November 1, 1988
PubMed
Summary
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This study evaluates if current Medical Subject Headings (MeSH) effectively retrieve papers based on specific semantic relationships. Findings suggest MeSH coding may not fully capture nuanced term connections for precise bibliographic retrieval.

Area of Science:

  • Bibliometrics
  • Information Science
  • Medical Informatics

Background:

  • Current bibliographic retrieval relies on controlled vocabularies like MeSH.
  • Identifying specific semantic relationships between index terms is crucial for precise information retrieval.
  • Previous work analyzed semantic relationships within abstracts.

Purpose of the Study:

  • To compare the effectiveness of current MeSH coding versus explicit semantic relationship coding for bibliographic retrieval.
  • To assess MeSH's ability to selectively retrieve papers discussing specific term relationships.

Main Methods:

  • Analysis of previously identified semantic relationships between terms in abstracts.
  • Evaluation of MeSH coding (topical subheadings, check tags) for retrieving papers discussing specific relationships.

Related Experiment Videos

  • Comparison of retrieval performance between MeSH and explicit semantic coding.

    • Main Results:

    • Current MeSH coding demonstrates limitations in selectively retrieving papers based on specific semantic relationships.
    • Explicitly coded semantic relationships may offer more precise retrieval than standard MeSH topical subheadings and check tags.
    • The study quantifies the gap in retrieval accuracy for specific relationships using MeSH.

    Conclusions:

    • MeSH coding alone may not be sufficient for highly specific bibliographic retrieval tasks.
    • Incorporating explicit semantic relationship coding could enhance the precision of information retrieval systems.
    • Further research is needed to optimize controlled vocabularies for semantic precision.