Mohamed Sellami Samir Tata Bruno Defude Service Discovery in Ubiquitous Environments: Approaches and Requirements for Context-Awareness. 516-522 2008 Business Process Management Workshops http://dx.doi.org/10.1007/978-3-642-00328-8_52 conf/bpm/2008w db/conf/bpm/bpmw2008.html#SellamiTD08