Lei Yang 0016 Yu Dai 0001 Bin Zhang 0001 Jiawen Pan Human Task Scheduling in the Service Composition. 1914-1920 2011 6 J. Softw. 10 https://doi.org/10.4304/jsw.6.10.1914-1920 http://www.jsoftware.us/show-106-1780-1.html db/journals/jsw/jsw6.html#YangDZP11