Dear all, Can anybody point me in the direction of some papers/books about semantic primitives? Thanks in advance, Aleem -- Aleem Hossain (Research Student) Room 144, School of Computer Science, University of Birmingham, Edgbaston, Birmingham, B15 2TT A.Hossain at cs.bham.ac.uk +44 (0)121 414 2884 (Internal 42884) http://www.cs.bham.ac.uk/~azh