Include appropriate mapping for dc:relation and fise:extractedFrom

[kurzum]

raised by rupert
http://lists.informatik.uni-leipzig.de/pipermail/nlp2rdf/2013-July/000134.html

Feature: being able to query local annotations on a ContentItem level.
possible solution here: http://events.linkeddata.org/ldow2012/papers/ldow2012-paper-02.pdf‎