A stochastic beam search for the berth allocation problem
Decision Support Systems
Models and Tabu Search Heuristics for the Berth-Allocation Problem
Transportation Science
A tabu search heuristic for the quay crane scheduling problem
Journal of Scheduling
Computers and Industrial Engineering
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This paper provides an integrated solution for two common processes in a container seaport: namely, the Berth Allocation Process (BAP) and the Crane Scheduling Process (QCSP). These are formulated through a Bi-Level Programming (BLP) approach, which is used to characterize the highly interrelated relationships between the two processes and simultaneously, identify an integrated solution for both. The upper-level problem (BAP) is termed 'NP-hard' as its computational complexity increases exponentially with the number of incoming ships for mooring, while the lower-level problem (QCSP) is a mixed-integer linear program. A revised genetic algorithm and a branch-and-bound method (B&B) are then applied for the solutions of upper and lower level problems, respectively.