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International VLBI Service for Geodesy and Astrometry 2012 Annual Report.

Authors
  • Karen D. Baver
  • Dirk Behrend
  • Kyla L. Armstrong
Type
Report
Source
SETI Institute
License
Green

Abstract

There are over 17,500 postable terms and some 4,000 nonpostable terms approved for use in the NASA Scientific and Technical Information Database in the Hierarchical Listing of the NASA Thesaurus. The generic structure is presented for many terms. The broader term and narrower term relationships are shown in an indented fashion that illustrates the generic structure better than the more widely used BT and NT listings. Related terms are generously applied, thus enhancing the usefulness of the Hierarchical Listing. Greater access to the Hierarchical Listing may be achieved with the collateral use of Volume 2 - Access Vocabulary and Volume 3 - Definitions.

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