title: What use cases for OWL?
body: <p>I've read about <a href="http://en.wikipedia.org/wiki/Semantic_Web" rel="nofollow">OWL - Web Ontology Language</a> (few pages only), but what are some real-world <a href="http://en.wikipedia.org/wiki/Use_case" rel="nofollow">use cases</a>/implementations for it?</p>