db/journals/dpd/HsuK96.html Meichun Hsu Charly Kleissner ObjectFlow: Towards a Process Management Infrastructure. 169-194 DPD/4/P169.pdf 1996 4 Distributed and Parallel Databases 2 db/journals/dpd/dpd4.html#HsuK96 http://kapis.www.wkap.nl/oasis.htm/107251