It has been developed for use in LocalHero.
Once activated the plugin adds a new type of feed that can be subscribed to. E.G. http://localhero.biz/?feed=lhrdf or http://localhero.biz/feed/lhrdf/ containing semantic content.
To output the feed in other triple formats just add the get variable format= to the query string E.G. http://localhero.biz/?feed=lhrdf&format=json.
Ontologies exposed in the RDF output include:
The plugin also allows you to map user and post meta as rdf properties. It will also allow connect created via the plugin Posts 2 Posts to rdf properties via configurable settings.