Open Semantic Data Association (OSDA)
opensemanticdata.org
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
The Open Semantic Data Association e.V. (OSDA) is a non-profit organization that emerged from the Semantic MediaWiki project, that is dedicated to the use of open semantic data to support education and free access to information.