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Keith Womer

Researcher at University of Missouri–St. Louis

Publications -  8
Citations -  318

Keith Womer is an academic researcher from University of Missouri–St. Louis. The author has contributed to research in topics: Constraint programming & Supply chain. The author has an hindex of 4, co-authored 8 publications receiving 281 citations.

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Scheduling projects with multi-skilled personnel by a hybrid MILP/CP benders decomposition algorithm

TL;DR: A hybrid Benders decomposition (HBD) algorithm is developed that combines the complimentary strengths of both mixed-integer linear programming (MILP) and constraint programming (CP) to solve this NP-hard optimization problem.
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Optimizing the Supply Chain Configuration for Make-To-Order Manufacturing

TL;DR: A hybrid Benders decomposition (HBD) algorithm combining the strengths of both mathematical programming and constraint programming is developed to efficiently solve a multi-mode resource-constrained project scheduling problem with a nonlinear objective function that is NP-complete.
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Modeling the supply chain configuration problem with resource constraints

TL;DR: A new modeling framework based on multi-mode resource-constrained project scheduling (MRCPSP) for configuring the supply chain subject to explicit resource constraints is presented, which establishes a bridge between the areas of project scheduling and supply chain design.
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A Decomposition Approach for Shipboard Manpower Scheduling

TL;DR: A hybrid decomposition algorithm that incorporates constraint programming and a tabu search (TS) metaheuristic is developed for solving the prototype DDX manpower scheduling problem as a project scheduling problem with multi-purpose resources.
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Integer programming formulations in sequencing with total earliness and tardiness penalties, arbitrary due dates, and no idle time: A concise review and extension

TL;DR: This work reviews mathematical programming formulations for single and parallel machine problems with fixed and controllable processing and setup times and identifies weaknesses of the formulations.