David, et al, (01)
Here's the links I have on units ontologies, if they are
any help. Not sure all of them still work, but maybe
you can find them at other locations. (02)
Conrad (03)
NIST's work on units representation is at: (04)
http://unitsml.nist.gov/ (05)
Also this if you can find it: (06)
ISO 31:1992, Quantities and units Parts 0-13 (07)
The work in revising the SysML model of Units is very active right now.
They're starting from http://doc.omg.org/formal/08-11-02, Chapter 8, in
particular Figure 8.4. The discussion is very active right now,
see, if you have OMG membership: (08)
http://tinyurl.com/qm3wbz
http://www.omg.org/archives/sysml-rtf/
(from the bottom search on "unit") (09)
One of the most well-known in the ontology community is: (010)
Engineering Mathematics Ontology by Tom Gruber
http://ksl-web.stanford.edu/knowledge-sharing/papers/engmath.html (011)
Also, try looking up: (012)
- Suggested Upper Merged Ontology (SUMO) Units portion
http://www.ontologyportal.org/ (search on "engineering") A browser
opened to the physical aspects is at:
http://virtual.cvut.cz/kifb/en/toc/113.html
- Agrotechnology & Food Innovations unitDim ontology, (013)
http://www.atoapps.nl/ProjectSite2/data/documents/217618013-20041216155627/U
nitDim.owl
- NASA SWEET project units, properties, and numerics ontologies
http://sweet.jpl.nasa.gov/ontology/
- SEEK project Units ontology (014)
http://cvs.ecoinformatics.org/cvs/cvsweb.cgi/seek/projects/kr-sms/OWLOntolog
ies/Units.owl
or perhaps: <http://wow.sfsu.edu/ontology/rich/Units.owl>
- ScadaOnWeb Quantity and Unit ontologies, (015)
http://www.scadaonweb.com/publications/ontologies_v2/ontologies_list.html
- units ontology for ISO 19103 (for GIS)
http://loki.cae.drexel.edu/~cuahsi/ontology/2004/07/iso-19103-cuahsi.owl
all the GIS onts: <http://loki.cae.drexel.edu/%7Ewbs/ontology/list.htm> (016)
And I've always liked Fowler's Analysis Pattern book, Chapter 3
(Observations and Measurements), can send that if you like. (017)
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