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In this paper, we propose a general model for various scheduling problems that occur in container terminal logistics. The scheduling model consists of the assignment of jobs to resources and the temporal arrangement of the jobs subject to precedence constraints and sequence-dependent setup...
Persistent link: https://www.econbiz.de/10011558786
Technological change at the firm level has commonly been modeled as random sampling from a fixed distribution o f possibilities. Such models, however, typically ignore empirically important aspects of the firm's search process, notably the observation that the present state of the firm guides...
Persistent link: https://www.econbiz.de/10005791001
This paper addresses the problem of scheduling economic lots in a multi-product single machine environment. A mixed integer non-linear programming formulation is developed which finds the optimal sequence and economic lots. The model takes explicit account of initial inventories, setup times,...
Persistent link: https://www.econbiz.de/10008461335
a new portfolio optimization framework based on downside-risk measures that are more appropriate to the investorâ … portfolio optimization framework based on minimizing the Lower-Partial-Moment (LPM) and maximizing the upper-partial-moment (UPM … the complexity of the optimization problem, and the high nonlinearities and discontinuities, we use a metaheuristic …
Persistent link: https://www.econbiz.de/10005132609
, 1995) and Gambardella et al.}(1997) have proposed a remarkable optimization method, Ant Colony Optimization (ACO), which … they applied to classical NP-hard combinatorial optimization problems, such as the traveling salesman problem (Lawler et al …
Persistent link: https://www.econbiz.de/10005739934
In this paper, we propose a general model for various scheduling problems that occur in container terminal logistics. The scheduling model consists of the assignment of jobs to resources and the temporal arrangement of the jobs subject to precedence constraints and sequence-dependent setup...
Persistent link: https://www.econbiz.de/10011725594
clustering. In contrast, the present paper formulates a bi-level optimization problem of how to determine optimal configurations …
Persistent link: https://www.econbiz.de/10012038968
Persistent link: https://www.econbiz.de/10011495617
Persistent link: https://www.econbiz.de/10012261734
We consider a novel generalization of the resource-constrained project scheduling problem (RCPSP). Unlike many established approaches for the RCPSP that aim to minimize the makespan of the project for given static capacity constraints, we consider the important real-life aspect that capacity...
Persistent link: https://www.econbiz.de/10011655297