Tamer Eren

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In this paper a single machine scheduling problem to minimize tardy jobs is considered. To increase the reality of the problem, deterioration and learning effect is added to. Beside, according to Inherent uncertainty in processing times, they are considered to be normally distributed. To find an appropriate solution, four existing models are extended and(More)
In this paper, optimal investment strategy selection problem is handled, that is very important for companies, and a analytic network process (ANP) and technique for order preference by similarity to an ideal solution (TOPSIS) based approach is proposed to solve this selection problem. ANP method is used to determine the importance degree of main criteria(More)
Outsourcing is an increasingly important task pursued by enterprises seeking improved efficiency. Logistics outsourcing or Third-Party Logistics (3PL) involves the use of external companies to perform the firm's logistics activities in part or the whole. 3PL has become a common practice among firms. It is therefore very important to choose the mos(More)
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