Semantic Forms/Semantic Internal Objects
This wiki only makes use of a fraction of the potential offered by the current phase of the development of the Semantic Mediawiki software, which is itself being constantly updated.
In particular, there is a lot that could be done with a couple of exisitng MediaWiki extensions.
https://www.mediawiki.org/wiki/Extension:Semantic_Forms https://www.mediawiki.org/wiki/Semantic_Internal_Objects (with the use of compound data and subobjects)
Connect Cathays is always on the lookout for volunteers who want to take on the technological challenges involved. Anyone interested can get in touch with an email to firstname.lastname@example.org.