Maria Grazia Speranza

103 papers B 1C 1Journal 99Unranked 2
YearRankTypeTitle / Venue / Authors
2026 J jnl
Beyond fifty years of vehicle routing: Insights into the history and the future.
Eur. J. Oper. Res.
Claudia Archetti, Leandro C. Coelho, Maria Grazia Speranza, Pieter Vansteenwegen
2024 J jnl
Multi-day fair collaboration in demand-responsive transportation.
Central Eur. J. Oper. Res.
Enrico Angelelli, Valentina Morandi, Maria Grazia Speranza
2024 J jnl
The one-station bike repositioning problem.
Discret. Appl. Math.
Enrico Angelelli, Andrea Mor, Maria Grazia Speranza
2023 J jnl
Tutorials and Reviews in Operations Research.
Int. Trans. Oper. Res.
Luce Brotcorne, Mario Guajardo, Celso C. Ribeiro, Maria Grazia Speranza
2022 J jnl
A simulation framework for a station-based bike-sharing system.
Comput. Ind. Eng.
Enrico Angelelli, Massimo Chiari, Andrea Mor, Maria Grazia Speranza
2022 — conf
Trends in Transportation and Logistics and the Role of Optimization.
IN4PL
Maria Grazia Speranza
2022 J jnl
Vehicle routing problems over time: a survey.
Ann. Oper. Res.
Andrea Mor, Maria Grazia Speranza
2021 J jnl
A kernel search heuristic for a fair facility location problem.
Comput. Oper. Res.
Carlo Filippi, Gianfranco Guastaroba, Diana L. Huerta-Muñoz, Maria Grazia Speranza
2021 J jnl
System optimal routing of traffic flows with user constraints using linear programming.
Eur. J. Oper. Res.
Enrico Angelelli, Valentina Morandi, Martin W. P. Savelsbergh, Maria Grazia Speranza
2020 J jnl
Conditional value-at-risk beyond finance: a survey.
Int. Trans. Oper. Res.
Carlo Filippi, Gianfranco Guastaroba, Maria Grazia Speranza
2020 J jnl
Dynamic traveling salesman problem with stochastic release dates.
Eur. J. Oper. Res.
Claudia Archetti, Dominique Feillet, Andrea Mor, Maria Grazia Speranza
2020 J jnl
Minimizing the total travel time with limited unfairness in traffic networks.
Comput. Oper. Res.
Enrico Angelelli, Valentina Morandi, Maria Grazia Speranza
2020 J jnl
Vehicle routing problems over time: a survey.
4OR
Andrea Mor, Maria Grazia Speranza
2019 J jnl
A trade-off between average and maximum arc congestion minimization in traffic assignment with user constraints.
Comput. Oper. Res.
Enrico Angelelli, Valentina Morandi, Maria Grazia Speranza
2018 J jnl
Congestion avoiding heuristic path generation for the proactive route guidance.
Comput. Oper. Res.
Enrico Angelelli, Valentina Morandi, Maria Grazia Speranza
2017 J jnl
Adaptive Kernel Search: A heuristic for solving Mixed Integer linear Programs.
Eur. J. Oper. Res.
Gianfranco Guastaroba, Martin W. P. Savelsbergh, Maria Grazia Speranza
2017 J jnl
The value of integrating loading and routing.
Eur. J. Oper. Res.
Jean-François Côté, Gianfranco Guastaroba, Maria Grazia Speranza
2016 J jnl
Intermediate Facilities in Freight Transportation Planning: A Survey.
Transp. Sci.
Gianfranco Guastaroba, Maria Grazia Speranza, Daniele Vigo
2016 J jnl
Linear programming models based on Omega ratio for the Enhanced Index Tracking Problem.
Eur. J. Oper. Res.
Gianfranco Guastaroba, Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza
2015 J jnl
A survey on two-echelon routing problems.
Comput. Oper. Res.
R. Cuda, Gianfranco Guastaroba, Maria Grazia Speranza
2015 J jnl
The Vehicle Routing Problem with Divisible Deliveries and Pickups.
Transp. Sci.
Gábor Nagy, Niaz A. Wassan, Maria Grazia Speranza, Claudia Archetti
2014 J jnl
A heuristic for BILP problems: The Single Source Capacitated Facility Location Problem.
Eur. J. Oper. Res.
Gianfranco Guastaroba, Maria Grazia Speranza
2014 J jnl
An ILP-refined tabu search for the Directed Profitable Rural Postman Problem.
Discret. Appl. Math.
Claudia Archetti, Gianfranco Guastaroba, Maria Grazia Speranza
2014 J jnl
Branch-and-cut algorithms for the split delivery vehicle routing problem.
Eur. J. Oper. Res.
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza
2014 J jnl
Complexity and approximation for Traveling Salesman Problems with profits.
Theor. Comput. Sci.
Enrico Angelelli, Cristina Bazgan, Maria Grazia Speranza, Zsolt Tuza
2014 J jnl
Incomplete service and split deliveries in a routing problem with profits.
Networks
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza, Alain Hertz
2014 J jnl
Polynomial cases of the economic lot sizing problem with cost discounts.
Eur. J. Oper. Res.
Claudia Archetti, Luca Bertazzi, Maria Grazia Speranza
2014 J jnl
The Team Orienteering Arc Routing Problem.
Transp. Sci.
Claudia Archetti, Maria Grazia Speranza, Angel Corberán, José M. Sanchis, Isaac Plana
2014 C conf
The Value Of Integration In Logistics.
ECMS
Claudia Archetti, Maria Grazia Speranza
2014 J jnl
The directed profitable location Rural Postman Problem.
Eur. J. Oper. Res.
Claudio Arbib, Mara Servilio, Claudia Archetti, Maria Grazia Speranza
2014 J jnl
The distance constrained multiple vehicle traveling purchaser problem.
Eur. J. Oper. Res.
Nicola Bianchessi, Renata Mansini, Maria Grazia Speranza
2014 J jnl
The split delivery capacitated team orienteering problem.
Networks
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza, Alain Hertz
2014 J jnl
Twenty years of linear programming based portfolio optimization.
Eur. J. Oper. Res.
Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza
2013 J jnl
A branch-and-bound algorithm for the double travelling salesman problem with two stacks.
Networks
Francesco Carrabs, Raffaele Cerulli, Maria Grazia Speranza
2013 J jnl
Optimal solutions for routing problems with profits.
Discret. Appl. Math.
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza
2013 J jnl
Reoptimizing the rural postman problem.
Comput. Oper. Res.
Claudia Archetti, Gianfranco Guastaroba, Maria Grazia Speranza
2013 J jnl
The capacitated team orienteering problem with incomplete service.
Optim. Lett.
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza
2012 J jnl
A Hybrid Heuristic for an Inventory Routing Problem.
INFORMS J. Comput.
Claudia Archetti, Luca Bertazzi, Alain Hertz, Maria Grazia Speranza
2012 J jnl
A branch-and-cut algorithm for the pickup and delivery traveling salesman problem with multiple stacks.
Networks
Jean-François Côté, Claudia Archetti, Maria Grazia Speranza, Michel Gendreau, Jean-Yves Potvin
2012 J jnl
CORAL: An Exact Algorithm for the Multidimensional Knapsack Problem.
INFORMS J. Comput.
Renata Mansini, Maria Grazia Speranza
2012 J jnl
Kernel Search: An application to the index tracking problem.
Eur. J. Oper. Res.
Gianfranco Guastaroba, Maria Grazia Speranza
2012 J jnl
Kernel Search: a new heuristic framework for portfolio selection.
Comput. Optim. Appl.
Enrico Angelelli, Renata Mansini, Maria Grazia Speranza
2012 J jnl
Kernel search for the capacitated facility location problem.
J. Heuristics
Gianfranco Guastaroba, Maria Grazia Speranza
2012 J jnl
Vehicle routing problems with split deliveries.
Int. Trans. Oper. Res.
Claudia Archetti, Maria Grazia Speranza
2011 J jnl
A column generation approach for the split delivery vehicle routing problem.
Networks
Claudia Archetti, Nicola Bianchessi, Maria Grazia Speranza
2011 J jnl
Analysis of the maximum level policy in a production-distribution system.
Comput. Oper. Res.
Claudia Archetti, Luca Bertazzi, Giuseppe Paletta, Maria Grazia Speranza
2011 J jnl
Two uniform machines with nearly equal speeds: unified approach to known sum and known optimum in semi on-line scheduling.
J. Comb. Optim.
György Dósa, Maria Grazia Speranza, Zsolt Tuza
2010 J jnl
Comparison of policies in dynamic routing problems.
J. Oper. Res. Soc.
Enrico Angelelli, Nicola Bianchessi, Renata Mansini, Maria Grazia Speranza
2010 J jnl
Exact solutions to the double travelling salesman problem with multiple stacks.
Networks
Hanne L. Petersen, Claudia Archetti, Maria Grazia Speranza
2010 J jnl
Geometric representation for semi on-line scheduling on uniform processors.
Optim. Methods Softw.
Enrico Angelelli, Maria Grazia Speranza, József Szoldatics, Zsolt Tuza
2010 J jnl
Kernel search: A general heuristic for the multi-dimensional knapsack problem.
Comput. Oper. Res.
Enrico Angelelli, Renata Mansini, Maria Grazia Speranza
2010 J jnl
Reoptimizing the 0-1 knapsack problem.
Discret. Appl. Math.
Claudia Archetti, Luca Bertazzi, Maria Grazia Speranza
2010 J jnl
The undirected capacitated arc routing problem with profits.
Comput. Oper. Res.
Claudia Archetti, Dominique Feillet, Alain Hertz, Maria Grazia Speranza
2009 J jnl
On the effectiveness of scenario generation techniques in single-period portfolio optimization.
Eur. J. Oper. Res.
Gianfranco Guastaroba, Renata Mansini, Maria Grazia Speranza
2009 J jnl
The capacitated team orienteering and profitable tour problems.
J. Oper. Res. Soc.
Claudia Archetti, Dominique Feillet, Alain Hertz, Maria Grazia Speranza
2008 J jnl
An Optimization-Based Heuristic for the Split Delivery Vehicle Routing Problem.
Transp. Sci.
Claudia Archetti, Maria Grazia Speranza, Martin W. P. Savelsbergh
2008 J jnl
Semi-online scheduling on two uniform processors.
Theor. Comput. Sci.
Enrico Angelelli, Maria Grazia Speranza, Zsolt Tuza
2007 J jnl
A Branch-and-Cut Algorithm for a Vendor-Managed Inventory-Routing Problem.
Transp. Sci.
Claudia Archetti, Luca Bertazzi, Gilbert Laporte, Maria Grazia Speranza
2007 J jnl
Competitive analysis for dynamic multiperiod uncapacitated routing problems.
Networks
Enrico Angelelli, Maria Grazia Speranza, Martin W. P. Savelsbergh
2007 J jnl
Competitive analysis of a dispatch policy for a dynamic multi-period routing problem.
Oper. Res. Lett.
Enrico Angelelli, Martin W. P. Savelsbergh, Maria Grazia Speranza
2007 J jnl
Conditional value at risk and related linear programming models for portfolio optimization.
Ann. Oper. Res.
Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza
2007 J jnl
Editorial.
Comput. Oper. Res.
Paolo Dell'Olmo, Raffaele Pesenti, Maria Grazia Speranza
2007 J jnl
Metaheuristics for the team orienteering problem.
J. Heuristics
Claudia Archetti, Alain Hertz, Maria Grazia Speranza
2007 J jnl
Semi on-line scheduling on three processors with known sum of the tasks.
J. Sched.
Enrico Angelelli, Maria Grazia Speranza, Zsolt Tuza
2006 J jnl
A Tabu Search Algorithm for the Split Delivery Vehicle Routing Problem.
Transp. Sci.
Claudia Archetti, Maria Grazia Speranza, Alain Hertz
2006 — conf
An Overview on the Split Delivery Vehicle Routing Problem.
OR
Claudia Archetti, Maria Grazia Speranza
2006 J jnl
New bounds and algorithms for on-line scheduling: two identical processors, known sum and upper bound on the tasks.
Discret. Math. Theor. Comput. Sci.
Enrico Angelelli, Maria Grazia Speranza, Zsolt Tuza
2006 J jnl
Preface.
Ann. Oper. Res.
Martine Labbé, José Pinto Paixão, Maria Grazia Speranza
2006 J jnl
Worst-Case Analysis for Split Delivery Vehicle Routing Problems.
Transp. Sci.
Claudia Archetti, Martin W. P. Savelsbergh, Maria Grazia Speranza
2005 J jnl
Complexity and Reducibility of the Skip Delivery Problem.
Transp. Sci.
Claudia Archetti, Renata Mansini, Maria Grazia Speranza
2005 J jnl
Improved rounding procedures for the discrete version of the capacitated EOQ problem.
Eur. J. Oper. Res.
Luca Bertazzi, Maria Grazia Speranza
2005 J jnl
Minimizing the Total Cost in an Integrated Vendor - Managed Inventory System.
J. Heuristics
Luca Bertazzi, Giuseppe Paletta, Maria Grazia Speranza
2004 J jnl
An improved heuristic for the period traveling salesman problem.
Comput. Oper. Res.
Luca Bertazzi, Giuseppe Paletta, Maria Grazia Speranza
2004 J jnl
Scheduling groups of tasks with precedence constraints on three dedicated processors.
Discret. Appl. Math.
Renata Mansini, Maria Grazia Speranza, Zsolt Tuza
2004 J jnl
The On-Line Multiprocessor Scheduling Problem with Known Sum of the Tasks.
J. Sched.
Enrico Angelelli, Á. B. Nagy, Maria Grazia Speranza, Zsolt Tuza
2003 J jnl
An efficient fully polynomial approximation scheme for the Subset-Sum Problem.
J. Comput. Syst. Sci.
Hans Kellerer, Renata Mansini, Ulrich Pferschy, Maria Grazia Speranza
2003 J jnl
On LP Solvable Models for Portfolio Selection.
Informatica
Renata Mansini, Wlodzimierz Ogryczak, Maria Grazia Speranza
2003 J jnl
Reoptimizing the traveling salesman problem.
Networks
Claudia Archetti, Luca Bertazzi, Maria Grazia Speranza
2003 J jnl
Semi-Absolute Deviation Rule for Mutual Funds Portfolio Selection.
Ann. Oper. Res.
Luca Chiodi, Renata Mansini, Maria Grazia Speranza
2003 J jnl
Semi-On-line Scheduling on Two Parallel Processors with an Upper Bound on the Items.
Algorithmica
Enrico Angelelli, Maria Grazia Speranza, Zsolt Tuza
2002 J jnl
Continuous and Discrete Shipping Strategies for the Single Link Problem.
Transp. Sci.
Luca Bertazzi, Maria Grazia Speranza
2002 J jnl
Deterministic Order-Up-To Level Policies in an Inventory Routing Problem.
Transp. Sci.
Luca Bertazzi, Giuseppe Paletta, Maria Grazia Speranza
2002 J jnl
The periodic vehicle routing problem with intermediate facilities.
Eur. J. Oper. Res.
Enrico Angelelli, Maria Grazia Speranza
2001 J jnl
Rounding Procedures for the Discrete Version of the Capacitated Economic Order Quantity Problem.
Ann. Oper. Res.
Luca Bertazzi, Maria Grazia Speranza
2000 J jnl
Selecting Portfolios with Fixed Costs and Minimum Transaction Lots.
Ann. Oper. Res.
Hans Kellerer, Renata Mansini, Maria Grazia Speranza
2000 J jnl
Two linear approximation algorithms for the subset-sum problem.
Eur. J. Oper. Res.
Hans Kellerer, Renata Mansini, Maria Grazia Speranza
1999 J jnl
Approximation Algorithms for Partitioning Small Items in Unequal Bins to Minimize the Total Size.
Discret. Appl. Math.
Paolo Dell'Olmo, Maria Grazia Speranza
1999 J jnl
Heuristic algorithms for the portfolio selection problem with minimum transaction lots.
Eur. J. Oper. Res.
Renata Mansini, Maria Grazia Speranza
1999 J jnl
On-line approximation algorithms for scheduling tasks on identical machines withextendable working time.
Ann. Oper. Res.
Maria Grazia Speranza, Zsolt Tuza
1998 J jnl
A 13/12 Approximation Algorithm for Bin Packing with Extendable Bins.
Inf. Process. Lett.
Paolo Dell'Olmo, Hans Kellerer, Maria Grazia Speranza, Zsolt Tuza
1998 J jnl
A linear programming model for the separate refuse collection service.
Comput. Oper. Res.
Renata Mansini, Maria Grazia Speranza
1998 J jnl
Heuristics for multimode scheduling problems with dedicated resources.
Eur. J. Oper. Res.
Lucio Bianco, Paolo Dell'Olmo, Maria Grazia Speranza
1997 J jnl
An Approximation Result for a Duo-Processor Task Scheduling Problem.
Inf. Process. Lett.
Paolo Dell'Olmo, Stefano Giordani, Maria Grazia Speranza
1997 B conf
An Efficient Approximation Scheme for the Subset-Sum Problem.
ISAAC
Hans Kellerer, Ulrich Pferschy, Maria Grazia Speranza
1997 J jnl
Comparability Graph Augmentation for some Multiprocessor Scheduling Problems.
Discret. Appl. Math.
Paolo Dell'Olmo, Maria Grazia Speranza, Zsolt Tuza
1997 J jnl
Efficiency and effectiveness of normal schedules on three dedicated processors.
Discret. Math.
Paolo Dell'Olmo, Maria Grazia Speranza, Zsolt Tuza
1997 J jnl
Scheduling at Villa Vigoni.
Discret. Appl. Math.
Rolf H. Möhring, Franz Josef Radermacher, Maria Grazia Speranza
1997 J jnl
Semi on-line algorithms for the partition problem.
Oper. Res. Lett.
Hans Kellerer, Vladimir Kotov, Maria Grazia Speranza, Zsolt Tuza
1996 J jnl
A heuristic algorithm for a portfolio optimization model applied to the Milan stock market.
Comput. Oper. Res.
Maria Grazia Speranza
1995 J jnl
Scheduling Independent Tasks with Multiple Modes.
Discret. Appl. Math.
Lucio Bianco, Paolo Dell'Olmo, Maria Grazia Speranza
1994 J jnl
Corrigendum: Scheduling Multiprocessor Tasks on Three Dedicated Processors.
Inf. Process. Lett.
Jacek Blazewicz, Paolo Dell'Olmo, Maciej Drozdowski, Maria Grazia Speranza
1994 J jnl
Minimizing Transportation and Inventory Costs for Several Products on a Single Link.
Oper. Res.
Maria Grazia Speranza, Walter Ukovich
1992 J jnl
Scheduling Multiprocessor Tasks on Three Dedicated Processors.
Inf. Process. Lett.
Jacek Blazewicz, Paolo Dell'Olmo, Maciej Drozdowski, Maria Grazia Speranza