Search Results - "De Causmaecker, Patrick"

The first international nurse rostering competition 2010 by Haspeslagh, Stefaan, De Causmaecker, Patrick, Schaerf, Andrea, Stølevik, Martin

“…Nurse rostering is a complex task of practical relevance. Over the last years, researchers have been able to solve increasingly larger and more complex…”
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An automatic algorithm selection approach for the multi-mode resource-constrained project scheduling problem by Messelis, Tommy, De Causmaecker, Patrick

“…•We combine 2 algorithms for the MRCPSP in a portfolio.•We show that empirical hardness models based on instance features can be made.•We apply those models in…”
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The Second International Nurse Rostering Competition by Ceschia, Sara, Dang, Nguyen, De Causmaecker, Patrick, Haspeslagh, Stefaan, Schaerf, Andrea

“…This paper reports on the Second International Nurse Rostering Competition (INRC-II). Its contributions are (1) a new problem formulation which, differently…”
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A multi-start local search algorithm for the Hamiltonian completion problem on undirected graphs by Jooken, Jorik, Leyman, Pieter, De Causmaecker, Patrick

“…This paper proposes a local search algorithm for a specific combinatorial optimisation problem in graph theory: the Hamiltonian completion problem (HCP) on…”
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A two-phase approach for the Radiotherapy Scheduling Problem by Pham, Tu-San, Rousseau, Louis-Martin, De Causmaecker, Patrick

“…The Radiotherapy Scheduling Problem (RTSP) focuses on optimizing the planning of radiotherapy treatment sessions for cancer patients. In this paper, we propose…”
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Modelling and evaluation issues in nurse rostering by Smet, Pieter, Bilgin, Burak, De Causmaecker, Patrick, Vanden Berghe, Greet

“…In practice nurse rostering problems are often too complex to be expressed through available academic models. Such models are not rich enough to represent the…”
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A decomposed metaheuristic approach for a real-world university timetabling problem by De Causmaecker, Patrick, Demeester, Peter, Vanden Berghe, Greet

“…In this paper we present a decomposed metaheuristic approach to solve a real-world university course timetabling problem. Essential in this problem are the…”
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An unbiased evaluation of gene prioritization tools by BÖRNIGEN, Daniela, TRANCHEVENT, Léon-Charles, BONACHELA-CAPDEVILA, Francisco, DEVRIENDT, Koenraad, DE MOOR, Bart, DE CAUSMAECKER, Patrick, MOREAU, Yves

“…Gene prioritization aims at identifying the most promising candidate genes among a large pool of candidates-so as to maximize the yield and biological…”
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A new hyper-heuristic as a general problem solver: an implementation in HyFlex by Mısır, Mustafa, Verbeeck, Katja, Causmaecker, Patrick De, Berghe, Greet Vanden

“…This study provides a new hyper-heuristic design using a learning-based heuristic selection mechanism together with an adaptive move acceptance criterion. The…”
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Towards a reference model for timetabling and rostering by De Causmaecker, Patrick, Berghe, Greet Vanden

“…Timetabling and rostering research often starts from particular real world problems. The last two decennia have seen a large number of papers discussing cases,…”
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A new class of hard problem instances for the 0–1 knapsack problem by Jooken, Jorik, Leyman, Pieter, De Causmaecker, Patrick

“…•Problem instance hardness is important for combinatorial optimization problems.•A new class of hard problem instances for the 0–1 knapsack problem is…”
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Features for the 0-1 knapsack problem based on inclusionwise maximal solutions by Jooken, Jorik, Leyman, Pieter, De Causmaecker, Patrick

“…•A set of computationally expensive features for the 0-1 knapsack problem is defined.•We propose polynomial and pseudopolynomial time algorithms for computing…”
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METAHEURISTICS FOR HANDLING TIME INTERVAL COVERAGE CONSTRAINTS IN NURSE SCHEDULING by Burke, Edmund K., Causmaecker, Patrick De, Petrovic, Sanja, Berghe, Greet Vanden

“…The problem of finding a high quality timetable for personnel in a hospital ward has been addressed by many researchers, personnel managers, and schedulers…”
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Evolving test instances of the Hamiltonian completion problem by Lechien, Thibault, Jooken, Jorik, De Causmaecker, Patrick

“…Predicting and comparing algorithm performance on graph instances is challenging for multiple reasons. First, there is not always a standard set of instances…”
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Neural networked-assisted method for the nurse rostering problem by Chen, Ziyi, Dou, Yajie, De Causmaecker, Patrick

“…To formulate a systematic and scientific nurse scheduling plan based on the nurse rostering problem (NRP), individual preferences and legal and other…”
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A combined mixed integer programming and deep neural network-assisted heuristics algorithm for the nurse rostering problem by Chen, Ziyi, De Causmaecker, Patrick, Dou, Yajie

“…The objective of the nurse rostering problem (NRP) is to obtain a scheduling plan that optimizes the allocation of human resources, effectively reducing work…”
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Minimizing makespan on a single machine with release dates and inventory constraints by Davari, Morteza, Ranjbar, Mohammad, De Causmaecker, Patrick, Leus, Roel

“…•We schedule jobs on a single machine with inventory and release date constraints.•We show that the problem is strongly NP-hard.•We propose two mixed-integer…”
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Exploring search space trees using an adapted version of Monte Carlo tree search for combinatorial optimization problems by Jooken, Jorik, Leyman, Pieter, Wauters, Tony, De Causmaecker, Patrick

“…In this article we propose a heuristic algorithm to explore search space trees associated with instances of combinatorial optimization problems. The algorithm…”
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The impact of solution representations on heuristic net present value optimization in discrete time/cost trade-off project scheduling with multiple cash flow and payment models by Leyman, Pieter, Van Driessche, Niels, Vanhoucke, Mario, De Causmaecker, Patrick

“…•Project net present value is optimized with several cash flow and payment models.•A general model for the contractor’s cash flow management is proposed.•We…”
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Adaptive passenger-finding recommendation system for taxi drivers with load balancing problem by Tran, Duy Hoang, Leyman, Pieter, De Causmaecker, Patrick

“…•An adaptive recommendation system for taxi drivers is developed.•A hybrid passenger-finding strategy is proposed.•A new measure dealing with load balance is…”
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