Polythematic Structured Subject Heading System

Polythematic Structured Subject Heading System / National Technical Library

URIhttps://vocabularyserver.com/psh/en/
Languageen
Date of creation31/12/1998
Last change date20/03/2012
Keywords
Scope
Publishertematres
RightsNational Technical Library
NAAN99152/t3
Terms19305 Show recent changes
    Alternative terms5417
    Hierarchical relationships13844
    Associative relationships3874
    APIhttps://vocabularyserver.com/psh/en/services.php
    Powered byTemaTres 3.3

    Reference sources


    Global organization of the vocabulary

    Terms for each depth level

    # of termsDeep level123456701000200030004000500060007000

    Preferred terms / Alternative terms

    Preferred terms (78.09%)Alternative terms (21.91%)

    Hierarchical relationships / Associative relationships

    Hierarchical relationships (78.14%)Associative relationships (21.86%)