[IEEE IEEE International Conference onServices Computing, 2004. (SCC 2004). Proceedings. 2004 - Shanghai, China (2004.09.18-2004.09.18)] IEEE International Conference onServices Computing, 2004. (SCC 2004). Proceedings. 2004 - A workflow services middleware model on ShanghaiGridYing Li, ; Minglu Li, ; Jadi Yu, ; Lei Cao, · 2004