Mohd Syazwan Abdullah Richard F. Paige Ian D. Benest Chris Kimble Knowledge Modelling Using The UML Profile. 70-77 2006 conf/ifip12/2006aiai AIAI http://dx.doi.org/10.1007/0-387-34224-9_9 db/conf/ifip12/aiai2006.html#AbdullahPBK06