This research presents a mathematical formulation for optimizing integration of complex industrial systems from the level of unit operations to processes, entire plants, and finally to considering ...

In wireless sensor networks, one of the key challenge is to achieve minimum energy consumption in order to maximize network lifetime. In fact, lifetime depends on many parameters: the topology of the ...

Operations Research, Vol. 33, No. 4 (Jul. - Aug., 1985), pp. 803-819 (17 pages) We present methods that are useful in solving some large scale hierarchical planning models involving 0-1 variables.