Cyrille Bertelle Antoine Dutot Frédéric Guinand Damien Olivier Dynamic Placement Using Ants for Object Based Simulations. 1263-1274 http://dx.doi.org/10.1007/978-3-540-39964-3_80 2003 conf/coopis/2003 CoopIS/DOA/ODBASE db/conf/coopis/coopis2003.html#BertelleDGO03