From W3C Wiki

Use this PPR:WikiBadge for material presented in Q&A format (even if the questions aren't really all that frequently asked).

Here is a list of all pages which currently have a tag.

How do I format questions and answers?

  • like this.

see also: PPR:FaqMode, SWAD-Europe project

RDF Frequently Asked Questions (FAQ) is centrally maintained (or perhaps: not maintained ;-)

Dave Beckett's Resource Description Framework (RDF) Resource Guide answers lots of FAQs too, meanwhile.

And presentation materials are a good source of answers to frequently asked questions; see OwlTalks.