Thesaurus focused on the natural sciences, mathematics and informatics, with terms in Norwegian Bokmål, Nynorsk and English. About 15,000 concepts + 15,000 precoordinated strings. Concepts have associative, but not hierarchical relations. Partially mapped to
Tekord and DDC (ongoing mapping effort as of January 2017)
The vocabulary is maintained by the science libraries at the University of Oslo and University of Bergen.