Wlodzimierz Ogryczak

According to our database, Wlodzimierz Ogryczak authored at least 65 papers between 1990 and 2020.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2020

Enhanced index tracking with CVaR-based ratio measures.

Gianfranco Guastaroba, Renata Mansini, Wlodzimierz Ogryczak, M. Grazia Speranza

Ann. Oper. Res., 2020

2019

A revised Variable Neighborhood Search for the Discrete Ordered Median Problem.

Pawel Olender, Wlodzimierz Ogryczak

Eur. J. Oper. Res., 2019

Bridging <i>k</i>-sum and CVaR optimization in MILP.

Carlo Filippi, Wlodzimierz Ogryczak, M. Grazia Speranza

Comput. Oper. Res., 2019

2018

Fair Resource Allocation by Gini Index Minimization.

Wlodzimierz Ogryczak, Grzegorz Zalewski

Proceedings of the Operations Research Proceedings 2018, 2018

2017

Preface to the special issue on advances in continuous optimization on the occasion of EUROPT 2016.

Wlodzimierz Ogryczak, Andrzej Stachurski

Math. Methods Oper. Res., 2017

Efficient optimization of the reward-risk ratio with polyhedral risk measures.

Wlodzimierz Ogryczak, Michal Przyluski, Tomasz Sliwinski

Math. Methods Oper. Res., 2017

Lexicographic extension of the reference point method applied in radiation therapy treatment planning.

Rens van Haveren, Sebastiaan Breedveld, Marleen Keijzer, Peter Voet, Ben Heijmen, Wlodzimierz Ogryczak

Eur. J. Oper. Res., 2017

2016

Ordered median problem with demand distribution weights.

Wlodzimierz Ogryczak, Pawel Olender

Optim. Lett., 2016

Linear programming models based on Omega ratio for the Enhanced Index Tracking Problem.

Gianfranco Guastaroba, Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza

Eur. J. Oper. Res., 2016

Persistence Management in Digital Document Repository.

Piotr Palka, Tomasz Sliwinski, Tomasz Traczyk, Wlodzimierz Ogryczak

Proceedings of the Beyond Databases, Architectures and Structures. Advanced Technologies for Data Mining and Knowledge Discovery, 2016

2015

Determining OWA Operator Weights by Maximum Deviation Minimization.

Wlodzimierz Ogryczak, Jaroslaw Hurkala

Proceedings of the Pattern Recognition and Machine Intelligence, 2015

2014

Fair Optimization and Networks: A Survey.

Wlodzimierz Ogryczak, Hanan Luss, Michal Pióro, Dritan Nace, Artur Tomaszewski

J. Appl. Math., 2014

Fair Optimization and Networks: Models, Algorithms, and Applications.

Wlodzimierz Ogryczak, Hanan Luss, Dritan Nace, Michal Pióro

J. Appl. Math., 2014

Tail mean and related robust solution concepts.

Wlodzimierz Ogryczak

Int. J. Syst. Sci., 2014

Twenty years of linear programming based portfolio optimization.

Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza

Eur. J. Oper. Res., 2014

Fair Optimization - Methodological Foundations of Fairness in Network Resource Allocation.

Wlodzimierz Ogryczak

Proceedings of the IEEE 38th Annual Computer Software and Applications Conference, 2014

2013

A Compromise Programming Approach to multiobjective Markov Decision Processes.

Wlodzimierz Ogryczak, Patrice Perny, Paul Weng

Int. J. Inf. Technol. Decis. Mak., 2013

2012

On WOWA Rank Reversal.

Wlodzimierz Ogryczak, Patrice Perny, Paul Weng

Proceedings of the Modeling Decisions for Artificial Intelligence, 2012

Determining OWA Operator Weights by Mean Absolute Deviation Minimization.

Michal Majdan, Wlodzimierz Ogryczak

Proceedings of the Artificial Intelligence and Soft Computing, 2012

2011

On solving the dual for portfolio selection by optimizing Conditional Value at Risk.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Comput. Optim. Appl., 2011

On Dual Approaches to Efficient Optimization of LP Computable Risk Measures for Portfolio Selection.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Asia Pac. J. Oper. Res., 2011

On Ordered Weighted Reference Point Model for Multi-attribute Procurement Auctions.

Bartosz Kozlowski, Wlodzimierz Ogryczak

Proceedings of the Computational Collective Intelligence. Technologies and Applications, 2011

On Minimizing Ordered Weighted Regrets in Multiobjective Markov Decision Processes.

Wlodzimierz Ogryczak, Patrice Perny, Paul Weng

Proceedings of the Algorithmic Decision Theory - Second International Conference, 2011

2010

On Solving Optimization Problems with Ordered Average Criteria and Constraints.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Proceedings of the Fuzzy Optimization - Recent Advances and Applications, 2010

Ordered weighted enhancement of preference modeling in the reference point method for multiple criteria optimization.

Wlodzimierz Ogryczak

Soft Comput., 2010

Bicriteria Models for Fair and Efficient Resource Allocation.

Wlodzimierz Ogryczak

Proceedings of the Social Informatics - Second International Conference, 2010

Multicriteria Subjective Reputation Management Model.

Michal Majdan, Wlodzimierz Ogryczak

Proceedings of the Rough Sets and Current Trends in Computing, 2010

Efficient Portfolio Optimization with Conditional Value at Risk.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Proceedings of the International Multiconference on Computer Science and Information Technology, 2010

2009

On efficient WOWA optimization for decision support under risk.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Int. J. Approx. Reason., 2009

Inequality measures and equitable locations.

Wlodzimierz Ogryczak

Ann. Oper. Res., 2009

09041 Working Group 4: MCDM and RIMO.

Matthias Ehrgott, Jussi Hakanen, Hisao Ishibuchi, Andreas Löhne, Mariano Luque, Kaisa Miettinen, Wlodzimierz Ogryczak, Olexandr Romanko, Theodor J. Stewart, Andrzej P. Wierzbicki

Proceedings of the Hybrid and Robust Approaches to Multiobjective Optimization, 18.01., 2009

2008

WOWA Enhancement of the Preference Modeling in the Reference Point Method.

Wlodzimierz Ogryczak

Proceedings of the Modeling Decisions for Artificial Intelligence, 2008

Fair and Efficient Resource Allocation - Bicriteria Models for Equitable Optimization.

Wlodzimierz Ogryczak

Proceedings of the ICINCO 2008, 2008

Path Generation Issues for Survivable Network Design.

Michal Pióro, Tomasz Sliwinski, Michal Zagozdzon, Mateusz Dzida, Wlodzimierz Ogryczak

Proceedings of the Computational Science and Its Applications - ICCSA 2008, International Conference, Perugia, Italy, June 30, 2008

Future Challenges.

Kaisa Miettinen, Kalyanmoy Deb, Johannes Jahn, Wlodzimierz Ogryczak, Koji Shimoyama, Rudolf Vetschera

Proceedings of the Multiobjective Optimization, 2008

2007

Conditional value at risk and related linear programming models for portfolio optimization.

Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza

Ann. Oper. Res., 2007

On Optimization of the Importance Weighted OWA Aggregation of Multiple Criteria.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Proceedings of the Computational Science and Its Applications, 2007

On Fuzzy Driven Support for SD-Efficient Portfolio Selection.

Wlodzimierz Ogryczak, Andrzej Romaszkiewicz

Proceedings of the Adaptive and Natural Computing Algorithms, 8th International Conference, 2007

On Decision Support Under Risk by the WOWA Optimization.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Proceedings of the Symbolic and Quantitative Approaches to Reasoning with Uncertainty, 2007

2006

On Direct Methods for Lexicographic Min-Max Optimization.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Proceedings of the Computational Science and Its Applications, 2006

2005

On Extending the LP Computable Risk Measures to Account Downside Risk.

Adam Krzemienowski, Wlodzimierz Ogryczak

Comput. Optim. Appl., 2005

SSD Consistent Criteria and Coherent Risk Measures.

Wlodzimierz Ogryczak, M. Opolska-Rutkowska

Proceedings of the System Modeling and Optimization, 2005

2004

Methodological foundations of multi-criteria decision making.

Wlodzimierz Ogryczak, Rudolf Vetschera

Eur. J. Oper. Res., 2004

Equitable aggregations and multiple criteria analysis.

Michael M. Kostreva, Wlodzimierz Ogryczak, Adam Wierzbicki

Eur. J. Oper. Res., 2004

2003

Minimizing the sum of the k largest functions in linear time.

Wlodzimierz Ogryczak, Arie Tamir

Inf. Process. Lett., 2003

On LP Solvable Models for Portfolio Selection.

Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza

Informatica, 2003

On solving linear programs with the ordered weighted averaging objective.

Wlodzimierz Ogryczak, Tomasz Sliwinski

Eur. J. Oper. Res., 2003

On Multiple Criteria Decision Support for Suppliers on the Competitive Electric Power Market.

Mariusz Kaleta, Wlodzimierz Ogryczak, Eugeniusz Toczylowski, Izabela Zóltowska

Ann. Oper. Res., 2003

2002

Dual Stochastic Dominance and Related Mean-Risk Models.

Wlodzimierz Ogryczak, Andrzej Ruszczynski

SIAM J. Optim., 2002

Conditional Median: A Parametric Solution Concept for Location Problems.

Wlodzimierz Ogryczak, Mariusz Zawadzki

Ann. Oper. Res., 2002

2001

On consistency of stochastic dominance and mean-semideviation models.

Wlodzimierz Ogryczak, Andrzej Ruszczynski

Math. Program., 2001

Comments on Reply by Romero <i>et al</i>.

Wlodzimierz Ogryczak

J. Oper. Res. Soc., 2001

Comments on Romero C, Tamiz M and Jones DF (1998). Goal programming, compromise programming and reference point method formulations: linkages and utility interpretations.

Wlodzimierz Ogryczak

J. Oper. Res. Soc., 2001

On goal programming formulations of the reference point method.

Wlodzimierz Ogryczak

J. Oper. Res. Soc., 2001

Comments on properties of the minmax solutions in goal programming.

Wlodzimierz Ogryczak

Eur. J. Oper. Res., 2001

2000

Inequality measures and equitable approaches to location problems.

Wlodzimierz Ogryczak

Eur. J. Oper. Res., 2000

Multiple criteria linear programming model for portfolio selection.

Wlodzimierz Ogryczak

Ann. Oper. Res., 2000

1999

Linear optimization with multiple equitable criteria.

Michael M. Kostreva, Wlodzimierz Ogryczak

RAIRO Oper. Res., 1999

From stochastic dominance to mean-risk models: Semideviations as risk measures.

Wlodzimierz Ogryczak, Andrzej Ruszczynski

Eur. J. Oper. Res., 1999

1997

On the lexicographic minimax approach to location problems.

Wlodzimierz Ogryczak

Eur. J. Oper. Res., 1997

1996

A note on modeling multiple choice requirements for simple mixed integer programming solvers.

Wlodzimierz Ogryczak

Comput. Oper. Res., 1996

1994

A Goal Programming model of the reference point method.

Wlodzimierz Ogryczak

Ann. Oper. Res., 1994

1992

DINAS: A computer-assisted analysis system for multiobjective transshipment problems with facility location.

Wlodzimierz Ogryczak, Krzysztof Studzinski, Krystian Zorychta

Comput. Oper. Res., 1992

Edinet - a Network Editor for transshipment Problems with Facility Location.

Wlodzimierz Ogryczak, Krzysztof Studzinski, Krystian Zorychta

Proceedings of the Computer Science and Operations Research, 1992

1990

DINAS: Computer-Assisted System for Multi-Criteria Transportation and Location Analysis.

Wlodzimierz Ogryczak, Krzysztof Studzinski, Krystian Zorychta

Proceedings of the Advances in Computing and Information, 1990