Pasquale LEGATO
Professori Associati
Ricerca operativa (MATH-06/A)
Contacts
- Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica
- Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica
- legato@dimes.unical.it
- 0984/494710
Reception Hours
Thursday from 3:30 p.m. to 5:30 p.m. and by appointment.
He graduated at the University of Calabria in Industrial Technology Engineering and initiated the tenure track for academic staff in 1983. He teaches stochastic models of Operations Research for resource allocation, performance evaluation, and system optimization by simulation. The scientific focus is on process innovation in logistics platforms and in the development and technology transfer of decision support systems. He has held various organizational and managerial positions at the University: in particular, three times member of the Board of Directors and, more recently, for a decade, Delegate for Research at the Department of affiliation.
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PASQUALE LEGATO graduated cum laude from the University of Calabria in 1981 with a major in Industrial Engineering. He completed his tenure track as Researcher in 1986. Currently, he holds the position of Associate Professor of Operations Research in the Department of Informatics, Modeling, Electronics and System Engineering (DIMES - University of Calabria, Rende, CS, Italy). He was visiting scientist at Duke University (Durham, NC, USA), the Istituto Elettrotecnico Nazionale “G. Ferraris” (Turin, Italy) and the Department of Computer Science – University of Torino (Torino, Italy). He was a three-term member of the Executive Board of the University of Calabria and Delegate of the Dean for the supervision of university participations and spin-offs. He was Delegate of the DIMES Director for Research & Technology Transfer, from 2011 to 2021. He was Head of the SMASHLab research laboratory, at DIMES. He holds courses focused on probabilistic and statistical methods of Operations Research, stochastic processes and stochastic simulation for the evaluation of system performance. He has been involved in several national and international applied research projects and is currently scientific director (for DIMES) of the research project funded by Invitalia on a development contract with a leading national company in large-scale retail logistics. He serves as an Area Editor for Elsevier’s Simulation Modelling Practice and Theory and as reviewer for several international journals. He has published dozens of scientific papers in international journals and proceedings of international congresses, with the common denominator of applications to real logistic systems. Methodologies and algorithms of Operations Research ranging from queue theory with stochastic simulation to integer programming with metaheuristics for simulation-based optimization are focused. He is scientific responsible for an RTDA program DM1062 (2022-2024).
PERSONAL DATA
Born in Reggio Calabria in 1957 and resident in Rende (CS).
STUDIES
1981 - Degree in Industrial Technology Engineering with honors, at the University of Calabria, with a thesis on "Queuing network models to support the design of computer networks". Advisor: Prof. Sergio de Julio.
CAREER
1983 (June) - Researcher (MAT/09 - Operations Research) at the Department of Systems of the Faculty of Engineering of the University of Calabria.
1986 (September) - Tenured Researcher (MAT/09 - Operations Research).
2010 (December) - Winner of the national competition for Associate Professor (MAT/09 - Operations Research).
2011 (December) - Placement in the role of the Associate Professors of Operations Research (A1/06) pursuant to the Gelmini Law (240/2010).
CURRENT POSITION – Affiliated at the DIMES - Department of Computer Engineering, Modeling, Electronics and Systems Engineering of the University of Calabria.
(1988-92) As part of MURST 40% projects aimed at the development of methods and models for the analysis and optimization of production systems, development of hierarchical queue network models and relative analytical solution with fixed point methods [C2, C3, C4, C5]. In particular, he proposed a fixed point technique for the solution of job-shop queue systems [D1, A4]. In collaboration with the “Galileo Ferraris” National Electrotechnical Institute of Turin, experimentation of state aggregation methods of Markov chains and solution of generalized stochastic Petri nets. Models of "just in time" production lines [C1]. Development of mathematical programming models for load balancing and simulation of load allocation policies for distributed processing systems [A2, E4].
Experimentation of approximate methods based on fixed point schemes for the solution of closed queue network models, with multiclass user population and with stations equipped with multiple servers [E7, E8]. Analysis and experimentation of heuristic methods based on techniques greedy combined with memoryless local search algorithms. Efficient solution of NP-Hard periodic vehicle routing problems in freight transport logistics [D3].
(1996) Experimentation of decomposition methods for closed queue network and multiclass models. Approximate calculation of performance and reliability indexes of the resources of a job-shop system. Development of an application in the FMS field [D2]. Development of "lotsize" models for production planning, with applications to the chemical industry (UOP MS SpA of San Leo, RC). Implementation of approximate algorithms [D4, E9, E10, E11]. Development of simulation models and prototypes for the analysis and optimization of logistic processes in a maritime container terminal (Gioia Tauro) [B1]. Development of a simulation model of the ship arrival, mooring and departure processes [D5, A5]. Development of an Integer Programming model for the optimal use of the personnel involved in quay operations [E13].2000-2002 Experimentation of a bin-packing model in the rubber industry (Tubi Gomma Tirrena Spa, Piano Lago, CS) [ E12]. Development of a second simulation model for the analysis of container deposit, storage and picking operations from the yard of the Gioia Tauro maritime terminal [B2, E14]. Definition of integer mathematical programming models for the berth allocation problem and analysis of solution approaches [D6]. Calibration and validation of the simulation models at the Gioia Tauro Terminal Container. Review of the PI model for optimizing the organization of quay staff shifts [A6]. Development and testing of algorithms for the solution of the problem of allocating berth positions (in the discrete) to arriving ships [E15, E16] based on heuristics for the classical generalized assignment problem and on dynamic programming. Integrated formulation of the berth-allocation problem. Start of a collaboration with the research group of prof. G. Laporte (Canada Research Chair in Distribution Management, HEC Montréal) on efficient algorithms for the solution of real instances based on the meta-heuristic of tabu search. Experimentation of branch & bound algorithms and extension of the heuristic approach of the allocation of ships to mooring points in the continuum [C6, A8].
(2003-2004) Formulation of an IP model for the localization of traffic meters on the urban road network, aimed at updating the OD matrix. Development of a test network and stochastic demand assignment methods. Exact resolution of small instances and comparisons with an established location model [B4]. Deepening of methods based on Lagrangian relaxation for the calculation of bounds. Start of a collaboration with prof. Musmanno and Prof. Ghiani (Lecce) aimed at the application of stochastic simulation to the development of methods and algorithms for the (discrete) optimization of logistics models. Framing of the open problems in the field of Simulation based Optimization (S&O) both in methodological and computational terms, for the development of procedures also on parallel computing environments [A7].Formulation of an IP model for the optimal configuration (queuing servers) of a network of queues aimed at representing a general problem of logistics of industrial production, where the objective function must be evaluated with simulation experiments. Development of an Optimization procedure by Simulation, based on simulated annealing and on statistical comparisons (between configurations) based on classical methods [A10]. Study of methods of analysis of the output of discrete event simulation in S&O, aimed at achieving a greater probability of making a correct selection and above all for greater efficiency in real applications. Experimentation of alternative methods of aggregation of the direct results of the simulation, to support the estimation techniques of the mean and variance of the simulated process [D7]. Adaptation of an S&O model to the problem of optimal equipping of mooring points in port logistics problems. Specialization and implementation of an S&O procedure in parallel computing environments, in particular based on grids, for speed up evaluation [A9].
(2005-2007) Methods and models of optimization by simulation, with application to port logistics problems. Development and simulation of a queue network model for the organization of accesses to the port of Gioia Tauro and the assignment of mooring slots, within a Law 297 project, in collaboration with MCT SpA. Development of a model for managing quayside cranes and simulating loading and unloading operations [D8, A11, E17] for evaluating crane-hold assignments and calculating makespan. Application of optimization through simulation to the problems of organization and management of call centers. Development of a simulator for the problem of optimal composition (skill based) of the staff of agents per shift and the problem of assigning incoming calls. Study of probabilistic models for the characterization of arrivals and services [D9]. method development,
(2008-2010) Specialization of languages and architectures for software platforms aimed at the development of S&O models to support logistics. Experimentation of open source environments, insights on generation problems and exploration of the feasible region in basic problems of resource allocation and activity sequencing [C11, C12, C14]. IP models and algorithms for the organization and management of loading/unloading of containers in a maritime terminal, with particular reference to the problems of crane deployment and crane assignment [C15] and to the opportunity of a unifying integrated formulation, supported by an efficient solution methodology, based on local branching techniques [D13 ]. In-depth study of integration issues with previous discrete simulation applications aimed at generating the weekly berth plan. Development of Ranking & Selection methods for the choice of the optimal system configuration in the case of alternative solutions known a priori and their application to organization problems of the container storage yard in a maritime terminal [A12]. Meta-heuristics and Ranking & Selection techniques for the case of solutions revealed at run time in S&O procedures, with application to the crane scheduling problem [C13, C16].Development of a simulated annealing algorithm for the crane scheduling problem [ D12]. Analysis and numerical comparison with balanced explorative & exploitative search procedures; experimentation of a stopping condition based on the long-term behavior of the Markov chain underlying the research process and proposition of a IP model for the computation of a lower bound [A13]. Development of discrete mathematical programming models, in a deterministic environment , and of heuristic algorithms for the basic processes of accumulation, consolidation and return of goods, typical of rear-port logistics, referring to specializations of the VMI paradigm [D11, D16]. Study of nested partitions methods for the development of efficient algorithms for the crane scheduling problem formulated in a deterministic context [C17]. Investigation on rectangular packing models and local branching algorithms for the weekly plan construction problem in the deterministic field [D15, D20]. Calibration and validation in a real environment of simulators of the main logistic processes of port logistics and of some fundamental support processes for transshipment on intercontinental routes [D18, D19].
(2011-2013) Development and testing of a new branch & bound algorithm for crane scheduling based on innovative branching and bounds construction techniques [A14]. Specialization of the local branching technique to the previous algorithm [A16]. Development of a queuing model for the quantitative analysis of security policies in container management [C20] and of the organization of internal transfers in a maritime terminal; definition of optimization policies by means of simulation [C19]. Implementation and validation of a simulator of the integrated operations of container transfer from quay to yard and vice versa [D15, C21]. Simulation and statistical analysis of container handling and reshuffling data [C23], heuristics for housekeeping operations and definition of sequential ranking & selection techniques, based on the idea of analyzing the variation mode of the simulated process and observations variance simulation output [C18]. Integration and validation of algorithms in a simulation tool developed for subsequent technological transfer to the MCT SpA of Gioia Tauro [A15].Study of methodologies for modeling the problem of berth allocation under conditions of uncertainty on the duration of loading and unloading operations and of container ship arrivals at a transshipment hub. Integration of an IP formulation solved with a Beam Search algorithm and optimized by Event Simulation with a search algorithm based on Simulated Annealing [C22, A17].
(2014-2017) Integration of a queuing model in a simulation optimization tool [A18] based on a vehicle scheduling model for housekeeping operations in maritime container terminal logistics. Proposal of an event-based methodology, in a stochastic environment, for the reproduction of the internal route choice model in container transfer operations entrusted to vehicles driven by human operators [D19, C27, A20, C30]. Review of approximate methods for the analytical resolution of queuing network models aimed at supporting simulation methodologies in the evaluation of container handling and internal transfer processes in a maritime terminal [D18, D20, C25]. Proposal of a new approximate method for the analytical resolution of queuing networks with multiclass population, multiple-server stations and FCFS discipline [D21, C29]. Diversification of application topics of integer programming and optimization by simulation to Cyber Security problems, with reference to the Poste Italiane operator. Proposal of a method and development of a tool for the optimal management of cooperating agents in risk limitation operations, intrusion contrast and asset damage mitigation [C24, A19, C28]. Diversification of simulation issues and statistical problem analysis evaluation of administrative processes and performance analysis in the presence of determining human factors. Development and validation of a simulation model with reference to the purchasing process in a department of the University of Calabria [C26].
(2018-2020) Development of approximations for port logistics decision models based on queuing network models [A21] and study of the case of Markov models of closed networks solved with the Mean Value Analysis algorithm . For the latter, a pseudo-polynomial approximation has been proposed and extensively tested [C31] to reduce the computational complexity, which is exponential in the number of different and multiple classes of users. A contribution to the methodologies of Optimization by Simulation has been started in same period and applied to the organization and mathematical planning of health resources for assistance to the elderly in the area [C32] and [A22].
(2021-2023) Proposal of an "informed simulation" paradigm for decision support in a maritime logistics platform and development of a framework based on the integration of intelligent metaheuristics in event simulation for the problem of finding internal container cargo handling routes [A24]. Review, adaptation and testing of approximate methods for solving queue network models, starting from the Mean Value Analysis algorithm [A23] and [C35], intended to absorb the output of low-level stochastic simulation in a hierarchical way. Complete review and critical analysis of the most recent methods of Operations Research on which to base the development of an algorithm for optimizing storage positions in a Ce.Di. real in the process of physical preparation and organizational configuration [C33]. Definition of a paradigm based on "event-graphs" and of a stochastic simulation model for the quantitative evaluation of the performance of the logistic process of manual "order picking" [C34].
TEACHING ACTIVITY
(1984-1991) - Exercises and exams for the course of Operations Research, at the Faculty of Engineering of the University of Calabria.
(1990-2000) - Lecturer (substitute) of "Models for the Organization and Management of Systems", (then "Methods and Models for Organization and Management") in the degree courses in Computer Engineering and Management Engineering, at the University of Calabria.
(1996-1997) - Lecturer (substitute) of the courses of "Stochastic Processes", for the Faculty of Economics of the University of Calabria, and of "Computer Networks", for the Faculty of Engineering of the University of Reggio Calabria.
(1997-2002) - Lecturer (substitute) of the "Operational Research" course for the Faculty of Engineering of the University of Reggio Calabria.
(2001-2009) Lecturer (teaching load) of the course "Probabilistic Analysis and Queuing Theory" [50900197], Degree in Computer Engineering, UNICAL.2009-2011 Lecturer (teaching load) of the "Probability and Statistics" module in the integrated course of "Complements of Probability and Statistical Analysis" [27000102], Degree in Computer Engineering, UNICAL
(2003-2007) Lecturer (teaching load) of the course "Performance Evaluation and Statistical Analysis" [50902498], Master Degree in Telecommunications Engineering, UNICAL.
(2003-2006) Lecturer (substitute) of the course of "Probabilistic Models for Management Engineering", at the Crotonde educational center of UNICAL, Degree in Management Engineering
(2006-2008) Lecturer (substitute) of the course "Statistics and Reliability", at the Crotone didactic center of UNICAL,Degree in Management Engineering
(2007-2018) Lecturer (teaching load) of the "Performance Evaluation" module in the integrated course of Optimization and Performance Evaluation [27000284], Master's Degree in Computer Engineering.
(2007-2015) Lecturer (teaching load) of the "Simulation and Performance Evaluation" [27000371], Master's Degree in Telecommunications Engineering, UNICAL
(2015-2018) Lecturer (teaching load) of the course "Random Processes and Teletraffic Engineering" [27006360], Master's Degree in Telecommunications Engineering, UNICAL
(2018-2022) Lecturer (teaching load) of the course of "Simulation and Performance Evaluation" [27008408], Master's Degree in Telecommunications Engineering, UNICAL
(2018/19 to date), Lecturer (teaching load) of the course of "Random Processes and Performance Evaluation" [27007370], Master's Degree in Computer Engineering, UNICAL
(2011/12 to date), Lecturer (teaching load) of the course of "Probabilistic Methods of Operations Research" [27000394]
During his now long career, he has prepared multiple teaching materials to support students of the courses provided, including lecture slides and Excel files. With regard to the methods of Operations Research, in the form of handouts, some are listed below:
"Free and constrained nonlinear continuous optimization", DIMET UNIRC, 1998. "Lagrange multipliers and duality theory", DIMET UNIRC, 1998.
"Theory of the fixed point and variational inequalities”, DIMET UNIRC, 1999.
“Probabilistic Methods of Operations Research: Part I – Probabilistic Analysis”, DIMES UNICAL, 2014.
"Probabilistic Methods of Operations Research: Part II - Statistical Analysis", DIMES UNICAL, 2017.
"Performance Evaluation: Part I - Queuing Theory", DIMES UNICAL 2007
"Performance Evaluation: Part II - Simulation Methods ”, DIMES UNICAL 2006
He has been sole supervisor of dozens of degree theses in Management Engineering and Computer Science, both old and new. He has been advisor of 4 doctoral theses in the SSD MAT09 - Operational Research. many years at the DIMES.
SCIENTIFIC ORGANIZATIONAL ACTIVITY
(1996) - Cofounder of the "Logistics Laboratory" (Scientific director Prof. M. Gaudioso).
(1997-1998) - Organizer of a technology desk for the transfer of optimization and simulation methodologies, techniques and tools in the Calabrian SME system.
(1998-1999) - Responsible for the Training Action called "Innovation of the Organization and Management of Logistics Systems of SMEs", funded by the F.S.E. with the P.O.P. 1994/99, aimed at Managers and Executives of Calabrian SMEs, on behalf of UNICAL.
(2005) – Cofounder of ITACA (spin-off of the University of Calabria)
(2015) - Cofounder of SMASHLab (R&D laboratory located at DIMES)
Head of a local operating unit in the context of national projects
(2004-2008) - Research Project "The Gioia Tauro maritime terminal: strategies, management and interaction with the territory" (Law 297/1999- Prot. N°11584 of 14 /11/2002). Head of OR1: "Analysis of operational processes and simulation".
(2006-2009) - Industrial Research Project (DM 395/200, art.13, 2006-2009): "PROMIS - Logistics process management & intelligence system". Head of research line L4: "Event Simulation and Optimization by Simulation".
Head of national research projects
(2006-2008) - Industrial Research Project (DM 395/200, art.13, 2006-2009): "INLOCO - Logistics Innovation Coordinate". Project Manager.
(2008 to date) - Annual research project Ex MURST 60% - financial year 2008. Project title. “Methods and algorithms for selecting the optimum by searching and ranking procedures in Simulation based Optimization”
Chair of international conference sessions
(2008 to date) - I3M Conferences (EMSS, MAS), Chair of track: “Simulation based Optimization”
Chair of national conference sessions
(2005) - Camerino, XXXVI Annual Conference of Italian Association of Operations Research. Chair of the session "Simulation and Optimization: methods and applications".
(2009) - Siena, XL Annual Conference of the Italian Association of Operations Research.
Referee of many international journals such as
* Computers & Operations Research (Elsevier)
* Computers & Industrial Engineering (Elsevier)* European Journal of Operational Research (Elsevier)
* OR Spectrum (Springer)
* Transportation Science (INFORMS)
* Transportation Research - Part E: Logistics (Elsevier)
* Maritime Economics and Logistics (Springer)
* Decision Support Systems (Elsevier)
* International Journal of Production Economics (Elsevier)
* International Journal of Simulation and Process Modelling (Hindawi)
* Simulation Modelling: Practice and Theory (Elsevier)
* INFOR: Information Systems and Operational Research (Taylor & Francis)
* Flexible Services and Manufacturing Journal (Springer)
*Mathematics (MDPI)
Member of international conference committees
* I3M - International MultidisciplinaryModeling & Simulation Multiconference, since 2012
* ISC - The industrial Simulation conference, by the European Multidisciplinary Society for Modeling and Simulation Technology, since 2017
Area Editor of the journal “Simulation Modelling: Practice and Theory” published by Elsevier, since 2018
He is scientific manager (for DIMES) of a research project (2021-2024) financed by Invitalia on a development contract with a leading national company in large-scale distribution logistics.
He is scientific manager of a program (2022-2024) RTDA DM1062
ORGANIZATIONAL MANAGEMENT ACTIVITY
(1993-1994) - Administrative Councilor at the University of Calabria, representing the researchers of the University.
(1999-2001) - UNICAL Representative in the CTS of the "Multimodality and Port Logistics" course, foreseen in the Technical Education and Training courses Superior activated by MPI-Calabria Region.
(2000-2003) - DEIS Representative in the CTS of the technical-scientific area library of UNICAL.
(2005-2007) - Administrative Councilor at the University of Calabria, representing the university researchers.Member of the Commission "Informatics and Telematics" of the Board of the University of Calabria.
(2005-2009) - Member of the Commission "General Activities of Management and Regulation" of the Board of the University of Calabria.Member of the "Building Heritage and Logistics Infrastructures" Commission of the Board of the University of Calabria.
(2007-2009) - Member of the Board of Directors at the University of Calabria, representing the University's researchers. Vice-President of the Building Heritage and Logistics Infrastructures Commission of the Board at the University of Calabria.
(2007) - Coordinator of the University Commission for the elaboration of the project guidelines and the drafting of the notice for the choice of the promoter, the notice and the tender specifications relating to the "Project Financing for the Energy”.
(2007-2009) - Coordinator of the subcommittee "University telephone system and VOIP" of the CPEIL.2008 - Coordinator of the University program "ICT4University of the Department of Innovation and Technologies of the Presidency of the Council".
(2008-2009) - Member of the University Commission for the valorisation of research results and for technology transfer.
(2008-2009) - Member of the University Commission in charge of establishing criteria and parameters for evaluating the activity of Managers.
(2010-2013) Delegate of the Rector for the Supervision of Spin-Off Companies and Associative Entities Participated by the University.
(2011-2021) Delegate of the DIMES Director for "Research & Technology Transfer"
COMPLETE SCIENTIFIC PRODUCTION
Articles in journals:
A1) "A stochastic model for personnel planning in complex organizations", Operative Research, n° 37, Franco Angeli, April 1986.
A2) “Linear programming models for load balancing”, (with M. Gaudioso) Computers & Operations Research, Pergamon Press, jan. 1991.
A3) “Optimization of join strategies in distributed databases”, (with G. Paletta and L. Palopoli), Information Systems, vol. 16, no. 4, Pergamon Press, 1991.
A4) “Approximate solution of a dynamic job shop model with several job classes”, European Journal of Operational Research, vol. 70, no. 2, Elsevier Science, oct. 1993.
A5) “Berth planning and resources optimization at a container terminal via discrete event simulation”, (with RM Mazza), European Journal of Operational Research, Vol. 133 no.3, Elsevier Science, sept. 2001.
A6) “Human resources management at a marine container terminal”, (with MF Monaco), European Journal of Operational Research, Vol. 156 no. 3, Elsevier Science, oct. 2004.
A7) “Optimization via Simulation: Solution Concepts, Algorithms, Parallel Computing Strategies and Commercial Software”, (with G. Ghiani, R. Musmanno and F. Vocaturo), International Scientific Journal of Computing, Vol. 3 no. 3, Dec. 2004.
A8) “Models and Tabu Search Heuristics for the Berth Allocation Problem”, (with JF Cordeau, G. Laporte and L. Moccia ),Transportation Science, Vol. 39 no.4, November 2005.
A9) “Solving Simulation Optimization Problems on Grid Computing Systems”, (with D. Laganà, O. Pisacane and F. Vocaturo), Parallel Computing, Vol. 32 no.9, October 2006.
A10) “A combined procedure for Discrete Simulation-Optimization Problems based on the Simulated Annealing Framework”, (with G. Ghiani, R. Musmanno and F. Vocaturo), Computational optimization and applications, 2007, Vol. 38, pp. 133-145.
A11) “A Queuing Network Model for Management of Berth Crane Operations”, (with P. Canonaco, RM Mazza and R. Musmanno), Computers & Operations Research, 35 (2008) 2432-2446.
A12) "Yard Crane Management by Simulation and Optimization", (with P. Canonaco and RM Mazza), Maritime Economics and Logistics, special issue on "OR Methods in Maritime Transport and Freight Logistics", Vol. 11, pp. 36-57, 2009.
A13) "Simulation-based Optimization for Discharge/Loading Operations at a Maritime Container Terminal", (with RM Mazza and R. Trunfio), OR Spectrum, Vol. 32 no. 3, pp. 543-567, 2010.
A14) “Modeling and Solving Rich Quay Crane Scheduling Problems”,(with R. Trunfio and F. Meisel), Computers & Operations Research, Vol. 39 no.9, pp.2063-2078, 2012.
A15) “Medcenter Container Terminal Uses Simulation in Housekeeping Operations”, (with RM Mazza and R. Trunfio), Interfaces, Vol. 43 no. 4, pp. 313-324, 2013.
A16) "A Local Branching-based Algorithm for the Quay Crane Scheduling Problem under Unidirectional Schedules", (with R. Trunfio), 4OR, vol. 12, pp. 123-156, 2014.
A17) “Integrating Tactical and Operational Berth Allocation Decisions via Simulation-Optimization”, (with RM Mazza and D. Gullì), Computers & Industrial Engineering, vol. 78, pp. 84-94, 2014.
A18) "Simulation-based Optimization for Housekeeping in a Container Transshipment Terminal", (with JF Cordeau, RM Mazza and R. Trunfio), Computers & Operations Research, vol. 53, pp. 81-95, 2015.
A19) "A Simulation Optimization based Approach for Team Building in Cyber Security", (with RM Mazza), International Journal of Simulation & Process Modelling, vol. 11, pp. 430-442, 2016.
A20) "A Decision Support System for Integrated Container Handling in a transshipment hub", (with RM Mazza), Decision Support Systems, vol. 108, pp. 45-56, 2018.
A21) "Queueing analysis for operations modeling in port logistics", (with RM Mazza) Maritime Business Review, Vol.5 N.1, 2019.
A22) “A Multi-level Simulation-based Optimization Framework for IoT-enabled Elderly Care Systems”, (with RM Mazza, RM
Contributions to volumes with evaluation:
B1) "Optimization and simulation in the management of a port container terminal: the case of Gioia Tauro", (with M. Gaudioso and G. Giallombardo), Methods and Technologies of Transport Engineering - Seminar 1999 a edited by GE Cantarella and F. Russo, FrancoAngeli, January 2001.
B2) "Simulation of container storage and handling processes at the Gioia Tauro terminal", (with M. Fortino and F. Reitano), Methods and Technologies of Transport Engineering - Seminar 2000 by GE Cantarella and F. Russo, FrancoAngeli, January 2002.
B3) "Simulation of logistics processes at the Medcenter Container Terminal of Gioia Tauro", (with P. Canonaco, RM Mazza and V. Perri ), Decision Sciences in Italy:applications of operational research to business problems edited by Giovanni Felici and Anna Sciomachen 2008 Casa Editrice ECIG Genova.
B4) “An integer programming model for traffic counters on urban road networks”, (with G. Pavone), Interventions and project methodologies for sustainable mobility Volume edited by Guido G. and Mazzulla G. Extended abstracts, Scorpione Editrice Srl, Taranto.
B5) “Metodi Simulativi”, (with O. Pisacane), Methods and probabilistic models for Operations Research Published by McGraw-Hill Italia, 2008, edited by Gianpaolo Ghiani and Roberto Musmanno.
Articles on proceedings of international conferences and workshops:
C1) “The effect of failures ad repairs on multiple cell production lines”, (with A. Bobbio and L. Roberti), 20th ISATA Int. Symp. on Automotive Techn. and Automation, Florence, May 1989.
C2) “Maintainability modeling by multichain queuing networks”,7th IASTED Int. Symp. on Reliability and Quality Control, Lugano, June 1989.
C3) “Performance analysis of service systems by combined use of queuing ad Petri nets”, 9th IASTED Int. Symp. on Mod., Identification and Control, Innsbruck, February 1990.
C4) “Simulating a flexible prod. cell with a FIFO input buffer shared by several part types”, SCS European Simulation Multiconference, Nuremberg, June 1990.
C5) “Performability evaluation in flexible manufacturing system design”, AICA-ANIPLA Conf. on Computers and Factory Automation, Turin, November 1988 .
C6) “Solving Berth Planning and Yard Management Problems at the Gioia Tauro Maritime Terminal” (in collaboration with G. Laporte and others), Odysseus 2003, Palermo May 2003 (only presentation on CD, edited by Dell'Olmo-Pesenti-Speranza) .
C7) “A Simulation Modeling Paradigm for the Optimal Management of Logistics in Container Terminals”. (with R. Trunfio), Proceedings of the 21st European Conference on Modeling and Simulation, Ivan Zelinka, Zuzana Oplatková, Alessandra Orsoni eds; pp. 479-488 - Prague (Czech Republic), 04-06 June, 2007.
C8) “An Integrated Simulation Model for Channel Contention and Berth Management at a Maritime Container Terminal”. (with P. Canonaco and RM Mazza), Proceedings of the 21st European Conference on Modeling and Simulation, Ivan Zelinka, Zuzana Oplatková, Alessandra Orsoni eds.; pp. 353-362 - Prague (Czech Republic), 04-06 June, 2007.
C9) “An Open-Source Discrete Event Simulation-based Optimization Package”, (with R. Trunfio), Proceedings of the 19th European Modeling and Simulation Symposium (Simulation in Industry) (EMSS 2007), Bergeggi, Italy, 04-06 October , 2007.
C10) “The Relevancy of Moves Definition in the Simulation-based Optimization of Manufacturing Systems”, (with F. Mari and R. Trunfio) Proceedings of the 19th European Modeling and Simulation Symposium (Simulation in Industry) (EMSS 2007) , Bergeggi, Italy, 04-06 October, 2007.
C11) “The Quay Crane Deployment Problem at a Maritime Container Terminal”, (with D. Gullì and R. Trunfio), 22nd European Conference on Modeling and Simulation, Nicosia, Cyprus, 03-06 June, 2008 Nicosia, Cyprus.
C12) “Simulation at a Maritime Container Terminal: Models and Computational Frameworks”, (with D. Gullì, R. Simono and R. Trunfio),22nd European Conference on Modeling and Simulation, Nicosia, Cyprus, 03-06 June, 2008 Nicosia, Cyprus.
C13) “Selecting the Optimum by Searching and Ranking Procedures in Simulation-based Optimization”, (with RM Mazza), EMSS 2008, 20th European Modeling and Simulation Symposium (Simulation in Industry), Amantea (CS), Italy, September 17-19, 2008.
C14) “Modeling, Simulation and Optimization of Logistic Systems”,(with D. Gullì and R. Trunfio), EMSS 2008, 20th European Modeling and Simulation Symposium (Simulation in Industry), Amantea (CS), Italy, September 17-19, 2008.
C15) “Assignment and Deployment of Quay Cranes at a Maritime Container Terminal”, (with D. Gullì and R. Trunfio), HMS 2008 The 2008 International Workshop on Harbour, Maritime & Multimodal Logistics Modeling and Simulation, Amantea (CS), Italy, September 17-19, 2008.
C16) “Simulation-based Optimization for the Quay Crane Scheduling Problem”, (with RM Mazza and R. Trunfio), Winter Simulation Conference, Miami, Florida (USA), December 2008.
C17) "A quantitative method for scheduling quay cranes on large vessels", (with R. Trunfio), IAME 2010 - The annual conference of the International Association of Maritime Economists, Lisbon (Portugal), July 2010.
C[18] “Exploiting Variance Behavior In Simulation-Based Optimization”, (with R.M. Mazza), I3M 2011-EMSS: The 23rd European Modelling & Simulation Symposium, Rome (Italy) September 2011.
C19) “Integrating discharge/loading services with internal transfer services in a maritime container terminal”, (with RM Mazza and R. Trunfio), Contribution to 2011 INFORMS Simulation Society Research Workshop, Montréal (Quebec), Canada, July 18-20, 2011.
C20) “Simulation for Assessing Security-based Policies in Import/Export Operations”, (con R.M. Mazza e P. Legato), Proceedings of the 24th European Modeling and Simulation Symposium (Simulation in Industry), Vienna (Austria), September 19-21, 2012.
C21) “Simulation for Performance Evaluation of the Housekeeping Process”, (con P. Legato, R.M. Mazza e R. Trunfio), Proceedings of the 2012 Winter Simulation Conference, Berlin (Germany), December 9-12, 2012.
C22) “Addressing Robust Berth Planning under Uncertainty via Simulation Based Optimization”, (con R.M. Mazza), Proceedings of the 12th International Conference on Modeling and Applied Simulation (MAS2013), Athens (Greece), September 25-27, 2013.
C23) “Managing Container Reshuffling in Vessel Loading by Simulation”, (con R.M. Mazza), Proceedings of the 2013 Winter Simulation Conference, Washington DC (USA), December 8-11, 2013.
C24) "Managing Cyber Security Resources via Simulation-based Optimization", (con R.M. Mazza), Proceedings of the 13th International Conference on Modeling and Applied Simulation, (MAS 2014) Bordeaux (France), September 10-12, 2014.
C25) "The Need of Simulation in Queuing Models for Port Logistics", Proceedings of the 29th European Simulation and Modelling (ESM2015), Leicester (UK), October 26-28, 2015.
C26) "Simulation-based Performance Measurement: Assessing the Purchasing Process in a Public University", (con R.M. Mazza and L. Malizia), Proceedings of The 30th European Conference on Modelling and Simulation, Regensburg (Germany), May 30 - June 3, 2016.
C27) "Supporting Human-operated Vehicle Dispatching in a Maritime Container Terminal by Simulation", (con R.M. Mazza), Proceedings of The 2017 4th International Conference on Control, Decision and Information Technologies (CoDIT'17), Barcelona (Spain), April 5-7, 2017.
C28) Modeling and Simulation of Cooperation and Learning in Cyber Security Defense Teams", (con R.M. Mazza), Proceedings of The 31st European Conference on Modelling and Simulation, Budapest (Hungary), May 23-26, 2017.
C29) "Multi-class Multi-server Queueing Networks for Production Systems Design", (with RM Mazza), Proceedings of the 16th International Conference on Modeling and Applied Simulation, (MAS 2014) Barcelona (Spain), September 18-20, 2017.
C30) "A Simulation Model for Designing Straddle Carrier-based Container Terminals", (with RM Mazza), Proceedings of the 2017 Winter Simulation Conference, Las Vegas, Nevada (USA), December 3-6, 2017.
C31) "Class aggregation for multi-class queuing networks with FCFS multi-server stations" (with RM Mazza), Proceedings of QTNA 2019 , LNCS 11688, pp. 1–19, T. Phung-Duc et al. (Eds.), Springer Nature Switzerland, 2019.
C32) “A multi-level simulation framework for IoT-based elderly care systems.” (with RM Mazza and G. Fortino) In: 19th International Conference on Modeling and Applied Simulation, MAS 2020. p. 118-122, Dime University of Genoa, ISBN: 9788885741485, 2020, doi: 10.46354/i3m.2020.mas.015
C33) “Queueing, Simulation and Optimization for Performance-oriented Design of Warehouse Systems.” (with RM Mazza and F. Vocaturo) In: Proceedings of the 20th International Conference on Modeling & Applied Simulation (MAS 2021). p. 141-151, ISBN: 9788885741614, Krakovia (on-line), September 15-17, 2021, doi: 10.46354/i3m.2021.mas.018
C34) “Event-based modeling and simulation for optimizing order picking.” (with RMMazza and M. Matteucci) In: (edited by): Bruzzone AG De Felice F. Longo F. Massei M. Solis AO, Proceedings of the 21st International Conference on Modeling and Applied Simulation. Genoa, Italy: Dime University of Genoa, Rome, September 19-21, 2022, doi: 10.46354/i3m.2022.mas.019
C35) “Performance evaluation of container handling in a transshipment hub.” (With RMMazza)) In: (edited by): Dragović B. Zrnić N. Papadimitriou S. Chen G. (editors), MARITIME AND PORT LOGISTICS - BAR CONFERENCE. p. 13-17, 36210 Vrnjačka Banja, Serbia:SaTCIP Publisher Ltd, ISBN: 978-86-6075-084-8, Bar - Montenegro, December, 14-16 2022
Abstract in conference proceedings:
D1) “Large closed multiclass queuing networks with population constrained subnetworks”, AIRO '90, Sorrento, October 1990. (complete article on the proceedings)
D2) “Queuing network models for optimizing the availability of FMS”, (with F Almagno, N. Rocca), AIRO '96, Perugia, September 1996. (short article on the proceedings)
D3) A multiperiod vehicle routing problem”, (with G. Paletta), AIRO '96, Perugia, September 1996.
D4) "Batch sizing and rotation for a molecular sieve production plant", (with M. Gaudioso and others) AIRO '97, Saint Vincent, September 1997.
D5) "Berth planning and resource optimization via discrete event simulation at Gioia Tauro container terminal", (with RM Mazza) AIRO '99, Naples, September 1999.
D6) "Mooring planning at the Gioia Tauro maritime terminal with distribution logistics models", (with MF Monaco), AIRO 2001, Cagliari, September 2001.
D7) “Steady State Simulation of queuing network models of manufacturing systems for purposes of ranking and selection of the best configuration”, (with P. Canonaco and F. Vocaturo), AIRO 2004, Lecce, September 2004.
D8) “Optimum-seeking for the management of quay crane operations by stochastic simulation”, (with P. Canonaco and R. Mazza), AIRO 2005, Camerino, September 2005.
D9) “Simulation & optimization for resources management and operational policies in innovative call centers”, ( with R. Musmanno and O. Pisacane), AIRO 2005, Camerino, September 2005.
D10) “Yard Crane Management by Simulation and Optimization”,(with P. Canonaco and R. Mazza), AIRO 2007, Genoa, September 2007.
D11 ) “A Multi-product Extension for the Inventory-Routing Problem”,(with D. Laganà, RM Mazza, R. Musmanno and D. Gullì), AIRO Winter 2009, Cortina, January 2009.
D12) “A Multi-product Extension for the Inventory-Routing Problem”,(with RM Mazza, and R. Trunfio), AIRO 2009, Siena, September 2009.
D13) “Quay crane management at a maritime container terminal”,(with D. Gullì, D. Laganà and R.Trunfio), AIRO 2009, Siena, September 2009.
D14) “Heuristic solutions to a customer model for the VMI policy in a multi-product framework”, (with D. Gullì, D. Laganà and R. Musmanno), AIRO 2009, Siena, September 2009.
D15) "Packing based formulations and local branching approaches to the solution of the berth allocation problem", (con D. Gullì), EURO 2010, Lisbon (Portugal), July 2010.
D16) "An integrated simulation model for quay and yard operations at gioia tauro terminal", (con R. Trunfio), EURO 2010, Lisbon (Portugal), July 2010.
D17) “Recent approaches to the berth allocation problem under uncertainty”, (con G. Giallombardo e R.M. Mazza), AIRO Winter 2013, Champoluc, Val D'Ayas, Aosta, January 2013.
D18) "Queuing Network Models in Port Logistics" (con R.M. Mazza), The The 4th International Conference on Logistics and Maritime Systems, LOGMS2014), Rotterdam, NL, August 27-29, 2014.
D19) "The Vehicle Round Trip Model Addressed by an Analytical Queuing Network", (con R.M. Mazza), The 27th European Conference on Operational Research Conference. Glasgow, July 12-15, 2015.
D20) "Modeling Man-Guided Vehicle Trips in a Container Terminal via Simulation", (with RM Mazza), The 27th European Conference on Operational Research Conference. Glasgow, July 12-15, 2015.
D21) "Approximate Mean Value Analysis for Large Multi-class Multi-server Queueing Networks", (with RM Mazza), The 2nd European Conference on Queueing Theory, Toulouse, France, July 18-20 , 2016.
D22) “Queueing models and effective decision making in port logistics”, keynote speech at Maritime and Port Logistics Conference (MHCL-MPL 2022 Conference), Bar, Montenegro, December 14-16, 2022.
Technical Reports:
E1) “An aggregation technique for the transient analysis of stiff Markov systems”, (with A. Bobbio and KS Trivedi), Department of Computer Science, Duke University, Durham NC USA, March 1985.
E2) "Queuing networks models in data base design", Department of Systems, UNICAL, January 1987.
E3) "On mean value analysis of queuing networks", Department of Systems, UNICAL, January 1987.
E4) “A distributed stochastic strategy for load sharing”, (with M. Gaudioso), Department of Systems, UNICAL, November 1990. E5) “Lagrangean relaxation approach to multi-item production ad inventory optimization problems”, (with P. Bonanno and M. Gaudioso), Department of Systems, UNICAL, September 1992.
E6) “Non differentiable optimization techniques for the solution of the FMS tool loading problem”, (with MF Monaco), Department of Systems, UNICAL, December 1992. E7) “Approximate polynomial solution for multiclass queuing network models of FMS", DEIS, UNICAL, September 1994.
Monaco and A. Selvaggi), Logistics Laboratory, DEIS UNICAL 4/2000.
E14) "A simulator of the processes of accumulation and return of containers at the maritime terminal of Gioia Tauro", (with M. Fortino), Logistics Laboratory, DEIS, UNICAL 4/01.
E15) “The problem of berth allocation”, (with MF Monaco and M. Sammarra), Logistics Laboratory, DEIS UNICAL 2/2002.
E16) “The problem of berth allocation. An exact algorithm for solving the scheduling problem”, (with MF Monaco and M. Sammarra), Logistics Laboratory, DEIS, UNICAL 3/2002. Logistics Laboratory, DEIS UNICAL 2/2002.
E17) “CaLeMa - A Simulation Tool for the Vessel Process”, DEIS-UNICAL July 2006. (with P. Canonaco and RM Mazza)
E18) “Yard crane management by simulation and optimization”, RS_297_A1-2_N1, DEIS-UNICAL January 2007 (with P. Canonaco and RM Mazza)
E19) "Design of optimization procedures through simulation for the crane scheduling problem", RT-OR1-IMPR-CS1/5, DEIS-UNICAL April 2007. (with RM Mazza)
E20 ) “Scientific Demonstrator: Optimization by simulation procedures for the Crane Scheduling Problem”, RT-OR1-IMPR-CS1_7b; DEIS-UNICAL December 2007. (with RM Mazza)
E21) “A New Integer Programming Model for the Optimal Location of Traffic Counting Points on Road Networks”, (with M. Gaudioso, V. Meduri and G. Pavone), manuscript.
Makes 07/18/2023
Pasquale Legato
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Contacts
- Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica
- Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica
- legato@dimes.unical.it
- 0984/494710
Reception Hours
Thursday from 3:30 p.m. to 5:30 p.m. and by appointment.