
High-Level Thesaurus
Welcome to the website of the High-Level Thesaurus Project (HILT). The HILT project, which is now in phase IV, aims to research, investigate, pilot, and develop solutions for, problems pertaining to cross-searching multi-subject scheme information environments.
HILT III sources...
ANSI/NISO
Z39.19-2005 (PDF)
Guidelines for the Construction, Format, and Management of Monolingual Controlled
Vocabularies
Information Environment Service Registry
National Center for Ontological Research (NCOR) (US)
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