OWL Files
The ontology is made available as an XML file using the OWL (Web Ontology Language).
Public versions of the ontology are created monthly, and contain all new properties and asserted facts, derived from the feedback obtained as of the timestamp.
We are committed to open access, with this OWL archive released under the Creative Commons BY-NC-SA 3.0 license.
Monthly Archives
- 2024-09-01 version
- 2024-08-01 version
- 2024-07-01 version
- 2024-06-01 version
- 2024-05-01 version
- 2024-04-01 version
- 2024-03-01 version
- 2024-02-01 version
- 2024-01-01 version
- 2023-12-01 version
- 2023-11-01 version
- 2023-10-01 version
- 2023-09-01 version
- 2023-08-01 version
- 2023-07-01 version
- 2023-06-01 version
- 2023-05-01 version
- 2023-04-01 version
- 2023-03-01 version
- 2023-02-01 version
- 2023-01-01 version
- 2022-12-01 version
- 2022-11-01 version
- 2022-10-01 version
- 2022-09-01 version
- 2022-08-01 version
- 2022-07-01 version
- 2022-06-01 version
- 2022-05-01 version
- 2022-04-01 version
- 2022-03-01 version
- 2022-02-01 version
- 2022-01-01 version
- 2021-12-01 version
- 2021-11-01 version
- 2021-10-01 version
- 2021-09-01 version
- 2021-08-01 version
- 2021-07-01 version
- 2021-06-01 version
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- 2021-04-01 version
- 2021-03-01 version
- 2021-02-01 version
- 2021-01-01 version
- 2020-12-01 version
- 2020-11-01 version
- 2020-10-01 version
- 2020-09-01 version
- 2020-08-01 version
- 2020-07-01 version
- 2020-06-01 version
- 2020-05-01 version
- 2020-04-01 version
- 2020-03-01 version
- 2020-02-01 version
- 2020-01-03 version
- 2017-12-01 version
- 2017-11-01 version
- 2017-10-01 version
- 2017-09-01 version
- 2017-08-01 version
- 2017-07-01 version
- 2017-06-01 version
- 2017-05-01 version
- 2017-04-01 version
- 2017-03-01 version
- 2017-02-01 version
- 2017-01-01 version
- 2016-12-01 version
- 2016-11-01 version
- 2016-10-01 version
- 2016-09-01 version
- 2016-08-01 version
- 2016-07-01 version
- 2016-06-01 version
- 2016-05-01 version
- 2016-04-01 version
- 2016-03-01 version
- 2016-02-01 version
- 2016-01-01 version
- 2015-12-01 version
- 2015-11-01 version
- 2015-10-01 version
- 2015-09-01 version
- 2015-08-01 version
- 2015-07-01 version
- 2015-06-01 version
- 2015-05-01 version
- 2015-04-01 version
- 2015-03-01 version
- 2015-02-01 version
- 2015-01-01 version
- 2014-12-09 version
- 2014-11-01 version
- 2014-10-01 version
- 2014-09-01 version
- 2014-08-01 version
- 2014-07-01 version
- 2014-06-01 version
- 2014-05-01 version
- 2014-04-01 version
- 2014-03-01 version
- 2014-02-01 version
- 2014-01-01 version
- 2013-12-01 version
- 2013-11-01 version
- 2013-10-01 version
- 2013-09-01 version
- 2013-08-01 version
- 2013-07-01 version
- 2013-06-01 version
- 2013-05-31 version
- 2013-05-01 version
- 2013-04-01 version
- 2013-03-01 version
- 2013-02-01 version
- 2013-01-01 version
- 2012-12-01 version
- 2012-11-01 version
- 2012-10-01 version
- 2012-09-01 version
- 2012-08-01 version
- 2012-07-01 version
- 2012-06-01 version
- 2012-05-01 version
- 2012-04-01 version
- 2012-03-01 version
- 2012-02-01 version
- 2012-01-01 version
- 2011-12-01 version
- 2011-11-01 version
- 2011-10-01 version
- 2011-09-01 version
- 2011-08-01 version
- 2011-07-01 version
- 2011-06-05 version
- 2011-05-01 version
- 2011-04-01 version
- 2011-03-01 version
- 2011-02-01 version
- 2011-01-01 version
- 2010-12-01 version
- 2010-11-01 version
- 2010-10-05 version
- 2010-10-01 version
- 2010-09-01 version
- 2010-08-01 version
- 2010-07-01 version
- 2010-06-01 version
- 2010-05-01 version
- 2010-04-01 version
- 2010-03-01 version
- 2010-02-01 version
- 2010-01-01 version
- 2009-12-11 version
- 2009-12-08 version
- 2009-11-01 version
- 2009-10-01 version
- 2009-09-15 version
Early development versions
- 2009-01-12 version
- 2007-10-08 version
- 2007-03-14 version(Note: This version does not completely match the browsable taxonomy since it was partly populated by hand instead of using the automated reasoning techniques.)