Stable versions is Wikipedia's answer to everything.
Dangit, I thought Wikidata was the answer to everything!
(Or Semantic Mediawiki, which seems to be the currently active name/project: http://en.wikipedia.org/wiki/Semantic_MediaWiki
I've been telling Wikipedia critics "stable versions could potentially improve situation X" for _years_ now
Ditto, but for Wikidata. Hopefully coming soon? see also: http://wikimania2007.wikimedia.org/wiki/Proceedings:DV1
Quiddity