BIS 2008 was the 11th in a series of international conferences on Business - formation Systems. The conference took place in Innsbruck which means that after Klagenfurt it was the second Austrian BIS edition. The BIS conference series from its veryroots has been recognized by professionalsas a forum for the exchangeand disseminationof topicalresearchin the development,implemen- tion, application and improvement of computer systems for business processes. The theme of this conference was"Business Processes and Social Contexts- Reaching Beyond the Enterprise."The material collected in this volume covers research trends as well as current achievements and cutting-edge developments in the area of modern business information systems. A set of 41 papers were - lectedforthepresentationduringthemaineventandgroupedaroundconference topics: Business Process Management, Service Discovery and Composition, - tologies, Information Retrieval, Interoperability, Mobility and Contexts, Ent- prise Resource Planning, Wikis and Folksonomies, Rules and Semantic Queries. The Program Committee consisted of more than 80 members that carefully evaluated all the submitted papers. This year they were supported by an Easy- Chair review system, and again, we observed an increase in the quality of the reviews. This not only raised the quality of the conference but also positively a?ected the work of the authors. The regular program was complemented by the outstanding keynote spe- ers. We are proud that BIS 2008 hosted Alistair Barros (SAP, Australia), Hans Ulrich Buhl (University of Augsburg, Germany), Fabio Ciravegna (University of She?eld, UK), John Davies (BT, UK), and Frank Leymann (University of Stuttgart, Germany).