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2020 – today
- 2025
[j79]Li Guan, Gilbert Laporte, José M. Merigó, Stefan Nickel, Iman Rahimi, Francisco Saldanha-da-Gama:
50 years of Computers & Operations Research: A bibliometric analysis. Comput. Oper. Res. 175: 106910 (2025)- 2024
- [j78]Antonio Diglio
, Stefan Nickel, Francisco Saldanha-da-Gama:
Correction to: Towards a stochastic programming modeling framework for districting. Ann. Oper. Res. 332(1): 1241 (2024) - [j77]Hannah Bakker, Stefan Nickel:
The Value of the Multi-period Solution revisited: When to model time in capacitated location problems. Comput. Oper. Res. 161: 106428 (2024) - [j76]Fabian Dunke, Stefan Nickel:
Metamodel-based dynamic algorithm configuration using artificial neural networks. Int. J. Gen. Syst. 53(1): 41-71 (2024) - [j75]Michael Simonis, Stefan Nickel:
PostgreSQL: Relational database structures application on capacitated lot-sizing for pharmaceutical tablets manufacturing processes. Softw. Impacts 22: 100720 (2024) - 2023
- [j74]Fabian Dunke, Stefan Nickel:
A matheuristic for customized multi-level multi-criteria university timetabling. Ann. Oper. Res. 328(2): 1313-1348 (2023) - [j73]Michael Simonis, Stefan Nickel:
A simulation-optimization approach for a cyclic production scheme in a tablets packaging process. Comput. Ind. Eng. 181: 109304 (2023) - [j72]Hannah Bakker, Viktor Bindewald, Fabian Dunke, Stefan Nickel:
Logistics for diagnostic testing: An adaptive decision-support framework. Eur. J. Oper. Res. 311(3): 1120-1133 (2023) - [j71]Viktor Bindewald, Fabian Dunke, Stefan Nickel:
Comparison of different approaches to multistage lot sizing with uncertain demand. Int. Trans. Oper. Res. 30(6): 3771-3800 (2023) - [j70]Shiva Faeghi, Kunibert Lennerts, Stefan Nickel:
A system dynamics model application to operating room planning and management. J. Simulation 17(1): 58-75 (2023) - [j69]Marc Janschekowitz, Gita Taherkhani, Sibel A. Alumur, Stefan Nickel:
An alternative approach to address uncertainty in hub location. OR Spectr. 45(2): 359-393 (2023) - [e2]Oliver Grothe, Stefan Nickel, Steffen Rebennack, Oliver Stein:
Operations Research Proceedings 2022: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Karlsruhe, Germany, September 6-9, 2022. Lecture Notes in Operations Research, Springer 2023, ISBN 978-3-031-24906-8 [contents] - 2022
- [j68]Fabian Dunke, Stefan Nickel:
Correction to: Exact distributional analysis of online algorithms with lookahead. 4OR 20(1): 167 (2022) - [j67]Fabian Dunke, Stefan Nickel:
A multi-method approach to scheduling and efficiency analysis in dual-resource constrained job shops with processing time uncertainty. Comput. Ind. Eng. 168: 108067 (2022) - 2021
- [j66]Fabian Dunke, Stefan Nickel:
Exact distributional analysis of online algorithms with lookahead. 4OR 19(2): 199-233 (2021) - [j65]Sobhan Razm, Alexandre Dolgui, Ramzi Hammami, Nadjib Brahimi, Stefan Nickel, Hadi Sahebi:
A two-phase sequential approach to design bioenergy supply chains under uncertainty and social concerns. Comput. Chem. Eng. 145: 107131 (2021) - [j64]Anne Zander, Stefan Nickel, Peter T. Vanberkel:
Managing the intake of new patients into a physician panel over time. Eur. J. Oper. Res. 294(1): 391-403 (2021) - [j63]Fabian Dunke, Stefan Nickel:
Online optimization with gradual look-ahead. Oper. Res. 21(4): 2489-2523 (2021) - [j62]David Olave-Rojas, Stefan Nickel:
Modeling a pre-hospital emergency medical service using hybrid simulation and a machine learning approach. Simul. Model. Pract. Theory 109: 102302 (2021) - 2020
- [j61]Antonio Diglio, Stefan Nickel, Francisco Saldanha-da-Gama:
Towards a stochastic programming modeling framework for districting. Ann. Oper. Res. 292(1): 249-285 (2020) - [j60]Winfried Schröder, Stefan Nickel:
Research Data Management as an Integral Part of the Research Process of Empirical Disciplines Using Landscape Ecology as an Example. Data Sci. J. 19: 26 (2020) - [j59]Fabian Dunke, Stefan Nickel:
A data-driven methodology for the automated configuration of online algorithms. Decis. Support Syst. 137: 113343 (2020) - [j58]Fabian Dunke, Stefan Nickel:
Neural networks for the metamodeling of simulation models with online decision making. Simul. Model. Pract. Theory 99 (2020) - [c17]Markus Lücking, Raphael Manke, Markus Schinle, Lukas Kohout, Stefan Nickel, Wilhelm Stork:
Decentralized patient-centric data management for sharing IoT data streams. COINS 2020: 1-6
2010 – 2019
- 2019
- [j57]Sobhan Razm, Stefan Nickel, Hadi Sahebi:
A multi-objective mathematical model to redesign of global sustainable bioenergy supply network. Comput. Chem. Eng. 128: 1-20 (2019) - [j56]Felix Brandt, Stefan Nickel:
The air cargo load planning problem - a consolidated problem definition and literature review on related problems. Eur. J. Oper. Res. 275(2): 399-410 (2019) - [j55]Seda Yanik, Jörg Kalcsics, Stefan Nickel, Burçin Bozkaya:
A multi-period multi-criteria districting problem applied to primary care scheme with gradual assignment. Int. Trans. Oper. Res. 26(5): 1676-1697 (2019) - [j54]Fabian Dunke, Stefan Nickel:
Day-ahead and online decision-making for collaborative on-site logistics. J. Simulation 13(2): 138-151 (2019) - 2018
- [j53]Fabian Dunke, Iris Heckmann, Stefan Nickel, Francisco Saldanha-da-Gama:
Time traps in supply chains: Is optimal still good enough? Eur. J. Oper. Res. 264(3): 813-829 (2018) - [j52]Matthias Bender, Jörg Kalcsics, Stefan Nickel, Martin Pouls:
A branch-and-price algorithm for the scheduling of customer visits in the context of multi-period service territory design. Eur. J. Oper. Res. 269(1): 382-396 (2018) - [c16]Li Zhang, Clemens Kill, Andreas Jerrentrup, Ferdinand Baer, Boris Amberg, Stefan Nickel:
Improving Quality of Care in a Multidisciplinary Emergency Department by the Use of simulation Optimization: Preliminary Results. WSC 2018: 2518-2529 - 2017
- [j51]Fabian Dunke, Stefan Nickel:
Evaluating the quality of online optimization algorithms by discrete event simulation. Central Eur. J. Oper. Res. 25(4): 831-858 (2017) - [j50]Stefan Nickel, Sebastian Velten:
Optimization problems with flexible objectives: A general modeling approach and applications. Eur. J. Oper. Res. 258(1): 79-88 (2017) - 2016
- [j49]Sibel A. Alumur, Stefan Nickel, Francisco Saldanha-da-Gama, Yusuf Seçerdin:
Multi-period hub network design problems with modular capacities. Ann. Oper. Res. 246(1-2): 289-312 (2016) - [j48]Cristina Núñez-del-Toro, Elena Fernández, Jörg Kalcsics, Stefan Nickel:
Scheduling policies for multi-period services. Eur. J. Oper. Res. 251(3): 751-770 (2016) - [c15]Thomas Setzer, Stefan Nickel, Christof Weinhardt, Ralph Grothmann, Thomas A. Runkler, Ralf Gitzel, Hansjörg Fromm:
Vorwort. MKWI 2016: 1191 - [c14]Annika Vernbro, Iris Heckmann, Stefan Nickel:
Balancing Effort and Plan Quality: Tactical Supply Chain Planning in the Chemical Industry. OR 2016: 629-634 - 2015
- [j47]Teresa Cardoso, Mónica Duarte Oliveira, Ana Paula F. D. Barbosa-Póvoa, Stefan Nickel:
An integrated approach for planning a long-term care network with uncertainty, strategic policy and equity considerations. Eur. J. Oper. Res. 247(1): 321-334 (2015) - [j46]Jörg Kalcsics, Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía:
Several 2-facility location problems on networks with equity objectives. Networks 65(1): 1-9 (2015) - [c13]Daniel Gartner, Ines V. Arnolds, Stefan Nickel:
Improving Hospital-wide Patient Scheduling Decisions by Clinical Pathway Mining. MedInfo 2015: 1066 - 2014
- [j45]Hadi Sahebi, Stefan Nickel, Jalal Ashayeri:
Strategic and tactical mathematical programming models within the crude oil supply chain context - A review. Comput. Chem. Eng. 68: 56-77 (2014) - [j44]Jörg Kalcsics, Stefan Nickel, Miguel A. Pozo, Justo Puerto, Antonio M. Rodríguez-Chía:
The multicriteria p-facility median location problem on networks. Eur. J. Oper. Res. 235(3): 484-493 (2014) - [j43]Igor Averbakh, Oded Berman, Dmitry Krass, Jörg Kalcsics, Stefan Nickel:
Cooperative covering problems on networks. Networks 63(4): 334-349 (2014) - [c12]Thomas Setzer, Stefan Nickel, Ralf Gitzel, Thomas A. Runkler, Christof Weinhardt:
Vorwort. MKWI 2014: 1992 - [i1]Holger Neu, Thomas Hanne, Jürgen Münch, Stefan Nickel, Andreas Wirsen:
Simulation-Based Risk Reduction for Planning Inspections. CoRR abs/1402.5267 (2014) - 2012
- [j42]Maria Albareda-Sambola, Elena Fernández, Stefan Nickel:
Multiperiod Location-Routing with Decoupled Time Scales. Eur. J. Oper. Res. 217(2): 248-258 (2012) - [j41]Stefan Nickel, Michael Schröder, Jörg Steeg:
Mid-term and short-term planning support for home health care services. Eur. J. Oper. Res. 219(3): 574-587 (2012) - [j40]Sibel A. Alumur, Stefan Nickel, Francisco Saldanha-da-Gama, Vedat Verter:
Multi-period reverse logistics network design. Eur. J. Oper. Res. 220(1): 67-78 (2012) - [j39]Zvi Drezner, Stefan Nickel, Hans-Peter Ziegler:
Stochastic analysis of ordered median problems. J. Oper. Res. Soc. 63(11): 1578-1588 (2012) - [c11]Ines V. Arnolds, Stefan Nickel, Sara Shashaani, Christian Wernz:
Using simulation in hospital layout planning. WSC 2012: 395:1-395:2 - 2011
- [j38]Jochen Schuld, Thilo Schäfer, Stefan Nickel, Peter Jacob, Martin K. Schilling, Sven Richter:
Impact of IT-supported clinical pathways on medical staff satisfaction. A prospective longitudinal cohort study. Int. J. Medical Informatics 80(3): 151-156 (2011) - [c10]Eric Ebermann, Stefan Nickel:
Scheduling steel plates on a roller furnace. OR 2011: 389-394 - 2010
- [j37]Jörg Kalcsics, Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía:
Distribution systems design with role dependent objectives. Eur. J. Oper. Res. 202(2): 491-501 (2010) - [j36]Isabel Correia, Stefan Nickel, Francisco Saldanha-da-Gama:
The capacitated single-allocation hub location problem revisited: A note on a classical formulation. Eur. J. Oper. Res. 207(1): 92-96 (2010) - [j35]Elena Fernández, Jörg Kalcsics, Stefan Nickel, Roger Z. Ríos-Mercado:
A novel maximum dispersion territory design model arising in the implementation of the WEEE-directive. J. Oper. Res. Soc. 61(3): 503-514 (2010) - [j34]Alfredo Marín, Stefan Nickel, Sebastian Velten:
An extended covering model for flexible discrete and equity location problems. Math. Methods Oper. Res. 71(1): 125-163 (2010) - [j33]Jochen Krebs, Stefan Nickel:
Extensions to the continuous ordered median problem. Math. Methods Oper. Res. 71(2): 283-306 (2010) - [j32]Alexandre Beaudry, Gilbert Laporte, M. Teresa Melo, Stefan Nickel:
Dynamic transportation of patients in hospitals. OR Spectr. 32(1): 77-107 (2010)
2000 – 2009
- 2009
- [b1]Stefan Nickel, Justo Puerto:
Location Theory - A Unified Approach. Springer 2009, ISBN 978-3-540-24321-2, pp. I-XX, 1-437 - [j31]Alfredo Marín, Stefan Nickel, Justo Puerto, Sebastian Velten:
A flexible model and efficient solution strategies for discrete location problems. Discret. Appl. Math. 157(5): 1128-1145 (2009) - [j30]Oded Berman, Jörg Kalcsics, Dmitry Krass, Stefan Nickel:
The Ordered Gradual Covering Location Problem on a Network. Discret. Appl. Math. 157(18): 3689-3707 (2009) - [j29]Zvi Drezner, Stefan Nickel:
Solving the ordered one-median problem in the plane. Eur. J. Oper. Res. 195(1): 46-61 (2009) - [j28]M. Teresa Melo, Stefan Nickel, Francisco Saldanha-da-Gama:
Facility location and supply chain management - A review. Eur. J. Oper. Res. 196(2): 401-412 (2009) - [j27]Thomas Hanne, M. Teresa Melo, Stefan Nickel:
Bringing Robustness to Patient Flow Management Through Optimized Patient Transports in Hospitals. Interfaces 39(3): 241-255 (2009) - [j26]Zvi Drezner, Stefan Nickel:
Constructing a DC decomposition for ordered median problems. J. Glob. Optim. 45(2): 187-201 (2009) - [j25]Stefan Nickel, Francisco Saldanha-da-Gama:
Logistics network design. OR Spectr. 31(3): 461-463 (2009) - [r1]Horst W. Hamacher, Stefan Nickel:
Multifacility and Restricted Location Problems. Encyclopedia of Optimization 2009: 2409-2413 - 2008
- [j24]Yolanda Hinojosa, Jörg Kalcsics, Stefan Nickel, Justo Puerto, Sebastian Velten:
Dynamic supply chain design with inventory. Comput. Oper. Res. 35(2): 373-391 (2008) - [j23]S. Arifusalem, Stefano Benati, Brian Boffey, Teresa Cáceres, Dietmar Cieslik, Zvi Drezner, Horst A. Eiselt, Ioannis Giannikos, Horst W. Hamacher, John M. Hodgson, Jörg Kalcsics, Kathrin Klamroth, Olivier Klopfenstein, Mercedes Landete, Maria Cruz López de los Mozos Martin, Alfredo Marín, Juan A. Mesa, Malick M. Ndiaye, Stefan Nickel, Blas Pelegrín:
New trends in locational analysis. Comput. Oper. Res. 35(3): 649-650 (2008) - [e1]Jörg Kalcsics, Stefan Nickel:
Operations Research, Proceedings 2007, Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Saarbrücken, Germany, September 5-7, 2007. Operations Research Proceedings, Springer 2008, ISBN 978-3-540-77902-5 [contents] - 2007
- [c9]Stefan Nickel, Sebastian Velten, Hans-Peter Ziegler:
Optimal Control Strategies for Incoming Inspection. OR 2007: 43-48 - [c8]Shahin Gelareh, Stefan Nickel:
A Benders Decomposition for Hub Location Problems Arising in Public Transport. OR 2007: 129-134 - [c7]Rodrigo Herrera, Jörg Kalcsics, Stefan Nickel:
Reliability Models for the Uncapacitated Facility Location Problem with User Preferences. OR 2007: 135-140 - 2006
- [j22]M. Teresa Melo, Stefan Nickel, Francisco Saldanha-da-Gama:
Dynamic multi-commodity capacitated facility location: a mathematical modeling framework for strategic supply chain planning. Comput. Oper. Res. 33: 181-208 (2006) - [j21]Natashia Boland, Patricia Domínguez-Marín, Stefan Nickel, Justo Puerto:
Exact procedures for solving the discrete ordered median problem. Comput. Oper. Res. 33(11): 3270-3300 (2006) - 2005
- [j20]Patricia Domínguez-Marín, Stefan Nickel, Pierre Hansen, Nenad Mladenovic:
Heuristic Procedures for Solving the Discrete Ordered Median Problem. Ann. Oper. Res. 136(1): 145-173 (2005) - [j19]Thomas Hanne, Stefan Nickel:
A multiobjective evolutionary algorithm for scheduling and inspection planning in software development projects. Eur. J. Oper. Res. 167(3): 663-678 (2005) - [c6]Rafael Velásquez, M. Teresa Melo, Stefan Nickel:
An LP-based Heuristic Approach for Strategic Supply Chain Design. OR 2005: 167-172 - [c5]Alfredo Marín, Stefan Nickel, Justo Puerto, Sebastian Velten:
A Flexible Model and Efficient Solution Strategies for Discrete Location Problems. OR 2005: 349-354 - 2004
- [j18]Horst W. Hamacher, Martine Labbé, Stefan Nickel, Tim Sonneborn:
Adapting polyhedral properties from facility to hub location problems. Discret. Appl. Math. 145(1): 104-116 (2004) - 2003
- [j17]Emilio Carrizosa, Stefan Nickel:
Robust facility location. Math. Methods Oper. Res. 58(2): 331-349 (2003) - [j16]Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía:
An Approach to Location Models Involving Sets as Existing Facilities. Math. Oper. Res. 28(4): 693-715 (2003) - [j15]Jörg Kalcsics, Stefan Nickel, Justo Puerto:
Multifacility ordered median problems on networks: A further analysis. Networks 41(1): 1-12 (2003) - [c4]Rainer Roosmann, Wolfgang Busch, Julita Gorczyk, Frank Mauersberger, Stefan Nickel, Peter Vosen:
Geographic Information Systems Support for Monitoring Environmental Impacts Caused by Deep Hard Coal Mining. EnviroInfo 2003: 730-738 - 2002
- [j14]Horst W. Hamacher, Martine Labbé, Stefan Nickel, Anders J. V. Skriver:
Multicriteria Semi-Obnoxious Network Location Problems (MSNLP) with Sum and Center Objectives. Ann. Oper. Res. 110(1-4): 33-53 (2002) - [j13]Matthias Ehrgott, Stefan Nickel:
On the number of criteria needed to decide Pareto optimality. Math. Methods Oper. Res. 55(3): 329-345 (2002) - [j12]Stefan Nickel:
Book Reviews. Math. Methods Oper. Res. 56(2): 345 (2002) - [j11]Jörg Kalcsics, Stefan Nickel, Justo Puerto, Arie Tamir:
Algorithmic results for ordered median problems. Oper. Res. Lett. 30(3): 149-158 (2002) - [c3]Jörg Kalcsics, M. Teresa Melo, Stefan Nickel:
Mathematical Programming Models for Strategic Supply Chain Planning and Design. OR 2002: 108-113 - [c2]Holger Neu, Thomas Hanne, Jürgen Münch, Stefan Nickel, Andreas Wirsen:
Simulation-Based Risk Reduction for Planning Inspections. PROFES 2002: 78-93 - 2001
- [j10]Christian Icking, Rolf Klein, Lihong Ma, Stefan Nickel, Ansgar Weißler:
On bisectors for different distance functions. Discret. Appl. Math. 109(1-2): 139-161 (2001) - [j9]Barbara Käfer, Stefan Nickel:
Error bounds for the approximative solution of restricted planar location problems. Eur. J. Oper. Res. 135(1): 67-85 (2001) - 2000
- [j8]Emilio Carrizosa, Horst W. Hamacher, Rolf Klein, Stefan Nickel:
Solving Nonconvex Planar Location Problems by Finite Dominating Sets. J. Glob. Optim. 18(2): 195-210 (2000) - [j7]Antonio M. Rodríguez-Chía, Stefan Nickel, Justo Puerto, Francisco R. Fernández:
A flexible approach to location problems. Math. Methods Oper. Res. 51(1): 69-89 (2000)
1990 – 1999
- 1999
- [j6]Matthias Ehrgott, Horst W. Hamacher, Stefan Nickel:
Geometric Methods to Solve Max-Ordering Location Problems. Discret. Appl. Math. 93(1): 3-20 (1999) - [j5]Stefan Nickel, Anita Schöbel:
A Geometric Approach to Global Optimization. J. Glob. Optim. 15(2): 109-126 (1999) - [j4]Horst W. Hamacher, Martine Labbé, Stefan Nickel:
Multicriteria network location problems with sum objectives. Networks 33(2): 79-92 (1999) - [j3]Stefan Nickel, Justo Puerto:
A unified approach to network location problems. Networks 34(4): 283-290 (1999) - [c1]Christian Icking, Rolf Klein, Lihong Ma, Stefan Nickel, Ansgar Weißler:
On Bisectors for Different Distance Functions. SCG 1999: 291-299 - 1997
- [j2]Stefan Nickel, Eva-Maria Dudenhöffer:
Weber's Problem with Attraction and Repulsion under Polyhedral Gauges. J. Glob. Optim. 11(4): 409-432 (1997) - [j1]Stefan Nickel:
Bicriteria and restricted 2-Facility Weber Problems. Math. Methods Oper. Res. 45(2): 167-195 (1997)
Coauthor Index
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