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Gaining insight into crew rostering instances through ML-based sequential assignment
Crew scheduling is typically performed in two stages. First, solving the crew pairing problem generates sequences of flights called pairings. Then,...
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A ground crew shift rostering model for Santiago International Airport
A mixed integer linear programming model is presented for personnel planning of ground handling crews at Santiago International Airport in Chile. The...
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Revisiting the richness of integrated vehicle and crew scheduling
The last decades have seen a considerable move forward regarding integrated vehicle and crew scheduling in various realms (airline industry, public...
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Airline crew scheduling with sustainability enhancement by data analytics under circular economy
As an energy-intensive industry, it is critical for airlines to enhance operation sustainability under the circular economy. Airline crew pairing...
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Tactical Planning of Public Transport Services: Vehicle and Crew Schedules
In the previous chapters on the tactical planning of public transport services we concentrated on the setting of the frequencies and timetables of...
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Preference-based and cyclic bus driver rostering problem with fixed days off
Given a set of predefined duties and groups of drivers, the duty assignment problem with group-based driver preferences (DAPGDP) aims at building...
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Dynamic Constraint Aggregation for Solving Very Large-scale Airline Crew Pairing Problems
The monthly crew pairing problem (CPP) consists of determining a least-cost set of feasible crew pairings (sequences of flights starting and ending...
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Airline OR Innovations Soar During COVID-19 Recovery
The Airline Group of the International Federation of Operational Research Societies (AGIFORS) held four conferences during May to July 2021 that...
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A network flow-based algorithm for bus driver rerostering
Bus driver rostering generates the work plan for a pool of drivers during a planning period of predefined length. This plan, called the roster, must...
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Multicommodity network flow model of a human resource allocation problem considering time periods
This article addresses the problem of finding work assignments for employees within a given time horizon in a company using a multicommodity network...
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A Necessity for Sustainability: Operational Resilience Through Disruption Management in Airlines
In today’s turbulent, complex, ever-growing, global system organizations face various challenges such as terrorist attacks, pandemic diseases,...
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Operations Research at M.A.I.O.R. srl
This short paper presents how Operations Research methods are employed at M.A.I.O.R. srl in various decision problems, the project we have conducted...
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Operations Research at Netherlands Railways
This paper briefly summarises the role of Operations Research techniques at Netherlands Railways (NS). We discuss the type of problems we are facing,...
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Artificial Intelligence in travel
Over the past four decades Operations Research (OR) has played a key role in solving complex problems in airline planning and operations. Over the...
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A Mutation Based Modular Evolutionary Scheme for Integrated Timetabling and Vehicle Scheduling With headways and Connection Quality Criteria
We propose an adaptive modular evolutionary scheme for optimizing the NP-Hard integrated timetabling and vehicle scheduling problem (TTVSP) in public...
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Multi-objective integrated acyclic crew rostering and vehicle assignment problem in public bus transportation
In this study, we try to solve a real planning problem faced in public bus transportation. It is a multi-objective integrated crew rostering and...
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Robustness and disturbances in public transport
Network-based systems are at the core of our everyday life. Whether it is electronic networking, electricity grids or transportation, users expect...
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Block-based state-expanded network models for multi-activity shift scheduling
This paper presents new mixed-integer linear programming formulations for multi-activity shift scheduling problems (MASSP). In these formulations,...
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Railway Crew Management
This chapter deals with railway crew management, thereby focusing on the situation at Netherlands Railways (NS). NS is the main operator of passenger...
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Planning a zero-emission mixed-fleet public bus system with minimal life cycle cost
The variety of available technology options for the operation of zero-emission bus systems gives rise to the problem of finding an optimal technology...
