feature request #3707
Updated by Andreas Müller over 6 years ago
There is
* QUDT (http://qudt.org/) or
* https://bioportal.bioontology.org/ontologies/UO ( https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3468815/ )
* Ontology of units of Measure and related concepts (OM) http://www.semantic-web-journal.net/sites/default/files/swj177_7.pdf
* obo ontology https://code.google.com/p/unit-ontology/
* MUO http://idi.fundacionctic.org/muo/muo-vocab.html
* w3c
Some links to at: http://answers.semanticweb.com/questions/360/ontology-for-units-of-measure