1. ORGANIZATION OF ELEMENTS OF INFORMATION The Thesaurus

2. Thesaurus From Greek, meaning “treasure” A compilation of words and phrases showing synonymous, hierarchical, and other relationships and dependences, the function of which is to provide a standard vocabulary for information storage and retrieval--ANSI

3. Relation to Classification Scheme Alphabetical and hierarchical Number of locations for a term Facets

4. Purpose Promote consistent representation of subject matter Link terms related either permanently or transitorily

5. History Peter Mark Roget Society for the Diffusion of Knowledge Thesaurus of English Words and Phrases Classified and Arranged so as to Facilitate the Expression of Ideas and Assist in Literary Composition (1852)

6. History Information retrieval thesaurus, 1960s-

7. Structure

11. Hierarchical Relationships Broader Term (BT): Science Narrower Term (NT): Physics

12. Hierarchical relationships Genus-speciesPartitive

13. Hierarchical relationships Examples

14. Affinitive/Associative Relationship “RT”

16. Descriptors Nouns, phrases Gravity Specific gravity Center of gravity

17. Descriptors Split Multiple classes  Children’s books Retain compound Take more than one way  Plate glass/glass plate

18. Scope note “SN” Define or clarify the term

19. Preferential relationship Equivalent of “see” reference in index “Use” and “Use for” Use: stamp collecting Use for: Philately

20. Preferential relationship Example

21. Display Alphabetical

22. Display Hierarchical

23. Construction Consolidation Original indexing Maintenance http://www.niso.org/standards/resource s/z39-19a.pdf

24. Evaluation Breadth of coverage Handling of structural relationship Effectiveness of display

25. Thesaurus - ERIC http://www.ericfacility.net/extra/pub/thessearch.cfm

26. Thesaurus Examples online: NASA: http://www.sti.nasa.gov/thesfrm1.htm http://www.sti.nasa.gov/thesfrm1.htm UNESCO: http://www.ulcc.ac.uk/unesco/

27. Solution