We’ve been working on modeling bug reports properties for quite a long time, but never managed to stabilize an ontology specification. Better late than never, here’s our first proposed draft and our request for comments :
More details in the helios project’s blog :
http://sourceforge.net/apps/wordpress/heliosplatform/2010/06/04/first-draft-of-helios_bt-bug-ontology-request-for-comment/