Yingchun Yuan Xiaoping Li Qian Wang Xia Zhu Deadline division-based heuristic for cost optimization in workflow scheduling. 2562-2575 2009 179 Inf. Sci. 15 http://dx.doi.org/10.1016/j.ins.2009.01.035 db/journals/isci/isci179.html#YuanLWZ09