Chengfei Liu Qing Li Yanchun Zhang Marta Indulska Xiaohui Zhao Introduction to the First Workshop on Collaborative Business Processes (CBP 2007). 181-184 2007 Business Process Management Workshops http://dx.doi.org/10.1007/978-3-540-78238-4_19 conf/bpm/2007w db/conf/bpm/bpmw2007.html#LiuLZIZ07