Anna Chmielowiec Guillaume Pierre Jaap Gordijn Maarten van Steen Technical challenges in market-driven automated service provisioning. 25-30 2008 MW4SOC http://doi.acm.org/10.1145/1462802.1462807 conf/middleware/2008mw4soc db/conf/middleware/mw4soc2008.html#ChmielowiecPGS08