Luc Moreau Jeffrey M. Bradshaw Maggie R. Breedy Larry Bunch Patrick J. Hayes Matt Johnson Shriniwas Kulkarni James Lott Niranjan Suri Andrzej Uszok Behavioural specification of grid services with the KAoS policy language. 816-823 2005 conf/ccgrid/2005 CCGRID http://doi.ieeecomputersociety.org/10.1109/CCGRID.2005.1558646 db/conf/ccgrid/ccgrid2005.html#MoreauBBBHJKLSU05