1 / 31

MeSH

MeSH. Rhonda Altonen Elise Blas Barbara Blum Juliann Brant. Medical Subject Headings. LI 804 Theory of the Organization of Information. MeSH Defined. Me dical S ubject H eadings National Library of Medicine's controlled vocabulary thesaurus.

urvi
Download Presentation

MeSH

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MeSH Rhonda Altonen Elise Blas Barbara Blum Juliann Brant Medical Subject Headings LI 804 Theory of the Organization of Information

  2. MeSH Defined • Medical Subject Headings • 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

More Related