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  • 1. MeSH Medical Subject Headings Rhonda Altonen Elise Blas Barbara Blum Juliann Brant LI 804 Theory of the Organization of Information
  • 2. MeSH Defined
    • Me dical S ubject H eadings
    • National Library of Medicine's controlled vocabulary thesaurus.
    • Descriptors are arranged in both an alphabetic and a hierarchical structure.
  • 3. How is it constructed?
    • MeSH Browser
    • Newest Version
      • Updated weekly
    • Searches conceptual relationships
    • Restricted or limited
  • 4. MeSH Record Types
    • Descriptors
      • Publication Characteristics (Publication Types)
    • Geographic's
    • Qualifiers
    • Supplementary Concept Records
  • 5. Descriptors
    • AKA Main Headings
    • Special Uses
      • Annual Reports
      • Dissertations
  • 6. Geographics
    • Continents
    • Regions
    • Countries
    • States
  • 7. Qualifiers
  • 8. Supplementary Concept Records
  • 9. Publication Characteristics (Publication Types)
  • 10. Relationships
    • Main Headings
    • Qualifiers
    • Supplementary Concepts
  • 11.
    • Example of the relations in Medical Subject Headings (from Jakob Voss: Collaborative thesaurus tagging the Wikipedia way ).
  • 12. History of MeSH
    • 1818 Army Medical Library
    • 1840 Army Medical list in notebook
    • 1864 Civil War catalog
    • 1879 Index Medicus published
    • 1880 Index-Catalog printed – 1961
  • 13.
    • 1927 Index Medicus merge - Quarterly Cumulative Index Medicus
    • 1954 NLM Subject Heading Authority List
    • 1960 Index Medicus
    • 1963 Medical Subject Headings
  • 14. Organizing Principles
    • Specialized fields
    • Conflicting doctrines
    • Subject headings as Artificial language
  • 15. What is it based on?
    • Current List of Medical Literature
    • Index-Catalogue + 1940 Quarterly Cumulative Index Medicus Subject Headings
  • 16. Where? Who? When?
    • US NLM, Bethesda, Maryland
    • 1954,1960 - Frank B. Rogers
    • 1960,1963 – Winifred Sewell
  • 17. Why?
    • Controlled vocabulary of medical sciences needed
    • Multiple subject headings
    • Early computer use - MEDLARS
  • 18. How?
    • 1954
      • Index-Catalogue + Quarterly Index Medicus Subject Headings
    • 1960
      • Expanded Subject Headings
    • 1963
      • MEDLARS anticipation
      • Greater coverage & deeper indexing
  • 19. Other Controlled Vocabularies or Thesauri
    • CINAHL
    • EMBASE
    • ERIC
    • PsychInfo
  • 20. Uses of MeSH
    • MeSH Browser
    • MeSH Entrez
    • UMLS Metathesaurus
  • 21. How is it used?
    • Indexing articles
    • NLM-produced database
      • bibliographic reference
    • Search queries
    • Database searching
    • Cataloging (NLM)
    • ERMS
    • Scope Notes
    • Tree Structure
  • 22. Tree Structures
    • Anatomy      Body Regions         Back             Lumbosacral Region             Sacrococcygeal Region
  • 23. Who uses it? 
    • Searchers of MEDLINE/PubMed
    • NLM Indexers
    • Catalogers
    • Medical Students
    • Medical/Health Science Librarians
    • Researchers
    • Medical Professionals
  • 24. How COULD it be used?
    • PubMed
    • Subject headings
    • Cataloging
        • Taxonomy/Indexing
        • Metadata
        • Search Engine Retrieval
    • Dictionary
    • Authors
      • Keyword
      • Reference Interview
  • 25. Evaluation – The Good
    • Standardized
    • Translations
    • UMLS
    • A Work in Progress!
  • 26. Evaluation – The Bad
    • Issues
      • Knowledge of terms
      • End Users
      • Incorrect usage
      • Database indexing
      • Translations
      • Acronyms
  • 27. Effectiveness
    • “I think it is one of the best controlled vocabularies in medicine. It’s really an excellent tool and it can be taught to others.” Karen Wells, EDM, MSLIS, Manager, Medical Library Services, Exempla Lutheran Medical Center
  • 28. Changes?
    • Structure
    • Annual
    • XML/ACSII format
    • Printed Discontinued
  • 29. What we think
  • 30. Additional information
    • It’s FREE
    • 12 minute video - http://www.nlm.nih.gov/bsd/disted/video
    • Websites that index using MeSH
      • CliniWeb
      • Diseases, Disorders and Related Topics (DDRT)
      • OMNI
  • 31. Links
    • http://www.nlm.nih.gov/mesh/meshhome.html
    • http://www.nlm.nih.gov/mesh/MBrowser.html