Chengfei Liu Wasim Sadiq Xiaohui Zhao Introduction to the Second Workshop on Collaborative Business Processes (CBP 2008). 557-560 2008 Business Process Management Workshops http://dx.doi.org/10.1007/978-3-642-00328-8_56 conf/bpm/2008w db/conf/bpm/bpmw2008.html#LiuSZ08