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TheSoz Thesaurus for the Social Sciences (GESIS)
The Thesaurus for the Social Sciences (Thesaurus Sozialwissenschaften) contains about 12,000 entries, of which more than 8,000 are descriptors (authorised keywords) and about... -
STW Thesaurus for Economics
The thesaurus provides vocabulary on any economic subject: about 6,000 standardized subject headings and about 18,000 entry terms to support individual keywords. You can also... -
UMBEL (Upper Mapping and Binding Exchange Layer)
A lightweight, reference structure of 28,000 subject concepts for the Web. UMBEL is jointly developed and maintained by Structured Dynamics LLC and Ontotext AD. There is a total...
