I have been through this Wikipedia vs DBpedia, any kind of case where there is the primary product (which is part of quality control loops; bugs in the HTML get fixed) vs secondary products (RDF/RSS bugs don't get reported never mind fixed.)

Part of the solution is this sort of A.I.

http://ontology2.com/essays/ClassifyingHackerNewsArticles/

but trained by you and not some other person who is training it to control your behavior.