Nowadays railway companies are confronted with high infrastructure maintenance costs. Therefore good strategies are … needed to carry out these maintenance activities in a most cost effective way. In this paper we solve the preventive … maintenance scheduling problem (PMSP) using genetic algorithms, memetic algorithms and a two-phase heuristic based on …

Accurate prediction of medical operation times is of crucial importance for cost efficient operation room planning in … about 1,250 surgical operations in 2009 is improved by up to more than 15 percent as compared to current planning procedures. …

maintenance optimization models which covers almost all models used in practice. For the class of unimodal finite-valued marginal …