The NASA Thesaurus contains the authorized NASA subject terms used to index and retrieve materials in the NASA Aeronautics and Space Database (NA&SD) and NASA Technical Reports Server (NTRS). The scope of this controlled vocabulary includes not only aerospace engineering, but all supporting areas of engineering and physics, the natural space sciences (astronomy, astrophysics, planetary science), Earth sciences, and the biological sciences. The NASA Thesaurus Data File contains all valid terms and hierarchical relationships, USE references, and related terms in machine-readable form. The Data File is available in the following formats: RDF/SKOS, RDF/OWL, ZThes-1.0, and CSV/TXT.
NASA Thesaurus Data File
2012-11-01
Report
No indication
English
NASA thesaurus combined file postings statistics
NTRS | 1993
Nasa Thesaurus Combined File Postings Statistics
NTIS | 1993
NASA Thesaurus / NASA, Suppl. ; 1985,3 =
TIBKAT | 1987
|NTIS | 1995
NASA Thesaurus / NASA ; 1988,3: Definitions
TIBKAT | 1988
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