Search Results - "Toffolo, A"

Integer programming techniques for the nurse rostering problem by Santos, Haroldo G., Toffolo, Túlio A. M., Gomes, Rafael A. M., Ribas, Sabir

“…This work presents integer programming techniques to tackle the problem of the International Nurse Rostering Competition. Starting from a compact and…”
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Weapon-target assignment problem: exact and approximate solution algorithms by Andersen, Alexandre Colaers, Pavlikov, Konstantin, Toffolo, Túlio A. M.

“…The Weapon-Target Assignment (WTA) problem aims to assign a set of weapons to a number of assets (targets), such that the expected value of survived targets is…”
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Compatibility of short and long term objectives for dynamic patient admission scheduling by Zhu, Yi-Hang, Toffolo, Túlio A. M., Vancroonenburg, Wim, Vanden Berghe, Greet

“…•A full Mixed Integer Programming (MIP) formulation is provided for the DPAS.•A short term objective design principle is introduced for dynamic scheduling.•A…”
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Techno-economic study of a heat pump enhanced flue gas heat recovery for biomass boilers by Hebenstreit, B., Schnetzinger, R., Ohnmacht, R., Höftberger, E., Lundgren, J., Haslinger, W., Toffolo, A.

“…An active condensation system for the heat recovery of biomass boilers is evaluated. The active condensation system utilizes the flue gas enthalpy exiting the…”
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A fix-and-optimize heuristic for the ITC2021 sports timetabling problem by Fonseca, George H. G., Toffolo, Túlio A. M.

“…This paper addresses the general and challenging Sports Timetabling Problem proposed during the International Timetabling Competition of 2021 (ITC2021). The…”
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Energy, economy and environment as objectives in multi-criterion optimization of thermal systems design by Lazzaretto, A., Toffolo, A.

“…The paper shows how a thermal system design can be optimized using energy, economy and environment as separate objectives. Comparisons with a single-objective…”
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An integer programming approach to the multimode resource-constrained multiproject scheduling problem by Toffolo, Túlio A. M., Santos, Haroldo G., Carvalho, Marco A. M., Soares, Janniele A.

“…The project scheduling problem (PSP) is the subject of several studies in computer science, mathematics, and operations research because of the hardness of…”
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First urinary tract infections in children: the role of the risk factors proposed by the Italian recommendations by Alberici, I, La Manna, A, Pennesi, M, Starc, M, Scozzola, F, Nicolini, G, Toffolo, A, Marra, G, Chimenz, R, Sica, F, Maringhini, S, Monasta, L, Montini, G

“…Aim In 2009, the Italian society for paediatric nephrology suggested the need for cystography, following a first febrile urinary tract infection (UTI), only in…”
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The sport teams grouping problem by Toffolo, Túlio A. M., Christiaens, Jan, Spieksma, Frits C. R., Vanden Berghe, Greet

“…The sport teams grouping problem (STGP) concerns the assignment of sport teams to round-robin tournaments. The objective is to minimize the total travel…”
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The double traveling salesman problem with partial last‐in‐first‐out loading constraints by Chagas, Jonatas B. C., Toffolo, Túlio A. M., Souza, Marcone J. F., Iori, Manuel

“…In this paper, we introduce the double traveling salesman problem with partial last‐in‐first‐out loading constraints (DTSPPL). It is a pickup‐and‐delivery…”
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Heuristics for vehicle routing problems: Sequence or set optimization? by Toffolo, Túlio A.M., Vidal, Thibaut, Wauters, Tony

“…•We study decision-set decompositions in vehicle routing heuristics.•We use Balas & Simonetti’s dynamic programming to define different search spaces.•We…”
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Evolutionary algorithms for multi-objective energetic and economic optimization in thermal system design by Toffolo, A., Lazzaretto, A.

“…Thermoeconomic analyses in thermal system design are always focused on the economic objective. However, knowledge of only the economic minimum may not be…”
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A practical tool to generate complex energy system configurations based on the SYNTHSEP methodology by Toffolo,A, Lazzaretto,A

“…Traditional fossil fueled power plants are commonly based on steam Rankine cycle or Brayton Joule cycle. Using water or air as working fluid is obviously the…”
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Stochastic local search with learning automaton for the swap-body vehicle routing problem by Toffolo, Túlio A.M., Christiaens, Jan, Van Malderen, Sam, Wauters, Tony, Vanden Berghe, Greet

“…•This paper presents the algorithm for the Swap-Body Vehicle Routing Problem (SB-VRP) that won the First VeRoLog Solver Challenge.•The majority of the…”
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Multi-machine energy-aware scheduling by Van Den Dooren, David, Sys, Thomas, Toffolo, TúlioA.M., Wauters, Tony, Vanden Berghe, Greet

“…The traditional set of manufacturing scheduling problems concern general and easy-to-measure economic objectives such as makespan and tardiness. The variable…”
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Four approaches compared on the TADEUS (thermoeconomic approach to the diagnosis of energy utility systems) test case by Lazzaretto, A., Toffolo, A., Reini, M., Taccani, R., Zaleta-Aguilar, A., Rangel-Hernandez, V., Verda, V.

“…Four approaches to the diagnosis of malfunctions in energy systems are presented and applied to the same test case plant. The paper is part of a project,…”
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The vessel swap-body routing problem by Gandra, Vinícius S.M., Çalık, Hatice, Toffolo, Túlio A.M., Carvalho, Marco Antonio M., Vanden Berghe, Greet

“…•We introduce the vessel swap-body routing problem.•We investigate the impact of body transfers on the search space and the solution quality.•We provide an…”
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GRASP with hybrid heuristic-subproblem optimization for the multi-level capacitated minimum spanning tree problem by Martins, Alexandre X., de Souza, Mauricio C., Souza, Marcone J. F., Toffolo, Túlio A. M.

“…We propose a GRASP using an hybrid heuristic-subproblem optimization approach for the Multi-Level Capacitated Minimum Spanning Tree (MLCMST) problem. The…”
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A two-dimensional heuristic decomposition approach to a three-dimensional multiple container loading problem by Toffolo, Túlio A.M., Esprit, Eline, Wauters, Tony, Vanden Berghe, Greet

“…•A heuristic decomposition is presented for a real-world container loading problem.•Experiments on the influence of the components of the algorithm are…”
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Analysis of stochastic local search methods for the unrelated parallel machine scheduling problem by Santos, Haroldo G., Toffolo, Túlio A.M., Silva, Cristiano L.T.F., Vanden Berghe, Greet

“…This work addresses the unrelated parallel machine scheduling problem with sequence‐dependent setup times, in which a set of jobs must be scheduled for…”
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