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MeSH, Medical Subject Headings:

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Chevrolet. Sedan. Automobile or auto. Nissan. Minivan. Controlled vocabulary. Automobile. Definition: All makes and models of motorized passenger vehicles with 2 ... – PowerPoint PPT presentation

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Title: MeSH, Medical Subject Headings:


1
MeSH, Medical Subject Headings
  • A Controlled Vocabulary

2
MeSH
  • Controlled vocabulary
  • Standardized set of terms
  • Groups related terms under single term
  • Spelling variations
  • Focuses search
  • Fewer false hits

3
Textword vs Controlled Vocabulary
  • Keyword or Textword
  • Car
  • Van
  • Ford
  • Chevy
  • Chevrolet
  • Sedan
  • Automobile or auto
  • Nissan
  • Minivan
  • Controlled vocabulary
  • Automobile
  • Definition All makes and models of motorized
    passenger vehicles with 2 axles

4
MeSH Medical Subject Headings
  • MeSH
  • PubMeds controlled vocabulary
  • Used in Medline subset of PubMed
  • MeSH Database
  • Hierarchical
  • Broad to Narrow subjects
  • Exploding a broad term also searches the narrower
    terms

5
MeSH Tree
Penicillins Antibiotics, Lactam Antibiotics Ant
i-Infective Agents
6
Using MeSH Hints
  • Looking for Articles
  • Narrowest term first
  • Looking for books
  • Broader terms
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