Keyword: heuristics

Found 5460 papers in total
On the Hardest Problem Formulations for the 0/1 Lasserre Hierarchy
On the Hardest Problem Formulations for the 0/1 Lasserre Hierarchy
2017,
The Lasserre/Sum‐of‐Squares (SoS) hierarchy is a systematic procedure...
Interdicting Structured Combinatorial Optimization Problems with {0, 1}-Objectives
Interdicting Structured Combinatorial Optimization Problems with {0, 1}-Objectives
2017,
Interdiction problems ask about the worst‐case impact of a limited change to an...
Provably Near-Optimal Balancing Policies for Multi-Echelon Stochastic Inventory Control Models
Provably Near-Optimal Balancing Policies for Multi-Echelon Stochastic Inventory Control Models
2017,
We develop the first algorithmic approach to compute provably good ordering policies...
Strong Formulations for Multistage Stochastic Self-Scheduling Unit Commitment
Strong Formulations for Multistage Stochastic Self-Scheduling Unit Commitment
2016,
With the increasing penetration of renewable energy into the power grid system, the...
Least Squares Approximation to the Distribution of Project Completion Times with Gaussian Uncertainty
Least Squares Approximation to the Distribution of Project Completion Times with Gaussian Uncertainty
2016,
This paper is motivated by the following question: How to construct good approximation...
Large-Scale Loan Portfolio Selection
Large-Scale Loan Portfolio Selection
2016,
We consider the problem of optimally selecting a large portfolio of risky loans, such...
0/1 Polytopes with Quadratic Chvátal Rank
0/1 Polytopes with Quadratic Chvátal Rank
2017,
For a polytope P , the Chvátal closure P ′ ⊆ P is obtained by...
Small is Beautiful: A Framework for Evaluating and Optimizing Live-Cube Compact Storage Systems
Small is Beautiful: A Framework for Evaluating and Optimizing Live-Cube Compact Storage Systems
2017,
Warehouses occupy much space and land, which has become increasingly scarce in many...
A Maximum Expected Covering Problem for District Design
A Maximum Expected Covering Problem for District Design
2017,
The optimal location of ambulances in a geographic region is interrelated with how the...
Scheduling Trucks in a Cross-Dock with Mixed Service Mode Dock Doors
Scheduling Trucks in a Cross-Dock with Mixed Service Mode Dock Doors
2017,
The problem considered in this paper is how to schedule inbound and outbound trucks...
Integrated Airline Scheduling: Considering Competition Effects and the Entry of the High Speed Rail
Integrated Airline Scheduling: Considering Competition Effects and the Entry of the High Speed Rail
2017,
Airlines and high speed rail are increasingly competing for passengers, especially in...
A Novel Model and Decomposition Approach for the Integrated Airline Fleet Assignment, Aircraft Routing, and Crew Pairing Problem
A Novel Model and Decomposition Approach for the Integrated Airline Fleet Assignment, Aircraft Routing, and Crew Pairing Problem
2017,
Given a daily flight schedule and a set of aircraft fleets, the airline scheduling...
Optimal Solutions to a Real-World Integrated Airline Scheduling Problem
Optimal Solutions to a Real-World Integrated Airline Scheduling Problem
2017,
We study an integrated airline scheduling problem for a regional carrier. It...
Integrated Aircraft Routing, Crew Pairing, and Tail Assignment: Branch-and-Price with Many Pricing Problems
Integrated Aircraft Routing, Crew Pairing, and Tail Assignment: Branch-and-Price with Many Pricing Problems
2017,
A significant drawback of the usual sequential airline scheduling approach is the long...
Reliable Hub Network Design: Formulation and Solution Techniques
Reliable Hub Network Design: Formulation and Solution Techniques
2017,
In this paper, we investigate unreliability in hub location planning. A mixed integer...
Two-Way Bounded Dynamic Programming Approach for Operations Planning in Transshipment Yards
Two-Way Bounded Dynamic Programming Approach for Operations Planning in Transshipment Yards
2017,
We propose a two‐way bounded dynamic programming (TBDP) approach to deal with...
Demand-Oriented Integrated Scheduling for Point-to-Point Airlines
Demand-Oriented Integrated Scheduling for Point-to-Point Airlines
2017,
Optimizing an airline schedule usually comprises multiple planning stages. These are...
A Static Model in Single Leg Flight Airline Revenue Management
A Static Model in Single Leg Flight Airline Revenue Management
2017,
Static models on single leg airline revenue management generally consider booking...
Real-Time Decision Support for Crew Assignment in Double-Ended Districts for U.S. Freight Railways
Real-Time Decision Support for Crew Assignment in Double-Ended Districts for U.S. Freight Railways
2016,
Crew costs are a significant portion of rail operating expenses, and so effective...
Air Cargo Network Revenue Management
Air Cargo Network Revenue Management
2016,
In this paper we discuss heuristics for network air cargo revenue management. We start...
On new variance approximations for linear models with inequality constraints
On new variance approximations for linear models with inequality constraints
2016,
In this paper, we examine the estimation of linear models subject to inequality...
A Memetic Multi-objective Immune Algorithm for Reservoir Flood Control Operation
A Memetic Multi-objective Immune Algorithm for Reservoir Flood Control Operation
2016,
Reservoir flood control operation (RFCO) is a challenging optimization problem with...
A Novel Method to Water Level Prediction using RBF and FFA
A Novel Method to Water Level Prediction using RBF and FFA
2016,
Water level prediction of rivers, especially in flood prone countries, can be helpful...
Introduction to the special issue: transferring knowledge for innovation
Introduction to the special issue: transferring knowledge for innovation
2016,
Knowledge is an important company resource, particularly when the organisation is...
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