Social Sciences
7 standards in this subject area
Data Documentation Initiative
(DDI)Documents surveys, questionnaires, and statistical data across the full research data lifecycle.
Element Set / Metadata Schema active DDI Alliance Est. 1995
EIGE Gender Equality Glossary and Thesaurus
Over 400 multilingual terms defining gender equality concepts for EU policy and research indexing.
Vocabulary / Thesaurus active European Institute for Gender Equality Updated May 19, 2023
European Language Social Science Thesaurus
(ELSST)A multilingual thesaurus of 3,400 social science concepts in 15 European languages.
Vocabulary / Thesaurus active Consortium of European Social Science Data Archives Updated November 1, 2025
FOAF Vocabulary Specification
(FOAF)A pioneering Semantic Web ontology for describing people, their relationships, and online accounts.
Ontology active FOAF Project Updated January 14, 2014
Homosaurus
An international linked data vocabulary of LGBTQ+ terms for libraries, archives, and museums.
Vocabulary / Thesaurus active Digital Transgender Archive Est. 2013
SIOC Core Ontology
(SIOC)Describes forums, posts, and user accounts to link online communities on the Semantic Web.
Ontology active Data Science Institute, NUI Galway Updated February 28, 2018
UNESCO Thesaurus
A multilingual subject vocabulary spanning education, culture, and science in five languages.
Vocabulary / Thesaurus active UNESCO Updated February 27, 2026