Journal: Computers and Operations Research

Found 2748 papers in total
Warm start by Hopfield neural networks for interior point methods
Warm start by Hopfield neural networks for interior point methods
2007,
Hopfield neural networks and interior point methods are used in an integrated way to...
Heuristic stability: A permutation disarray measure
Heuristic stability: A permutation disarray measure
2007,
Heuristic performance has been mainly measured by effectiveness (near optimality) and...
Spectral projected subgradient with a momentum term for the Lagrangean dual approach
Spectral projected subgradient with a momentum term for the Lagrangean dual approach
2007,
The Lagrangean dual problem, with a non-differentiable convex objective function, is...
An LP-based heuristic procedure for the generalized assignment problem with special ordered sets
An LP-based heuristic procedure for the generalized assignment problem with special ordered sets
2007,
The generalized assignment problem with special ordered sets (GAPS2), is the problem...
A reactive GRASP and path relinking for a combined production–distribution problem
A reactive GRASP and path relinking for a combined production–distribution problem
2007,
An NP-hard production–distribution problem for one product over a multi-period...
Reduction strategies and exact algorithms for the disjunctively constrained knapsack problem
Reduction strategies and exact algorithms for the disjunctively constrained knapsack problem
2007,
In this paper, we optimally solve the disjunctively constrained knapsack problem...
On Hoffman's celebrated cycling LP example
On Hoffman's celebrated cycling LP example
2007,
We answer two questions that naturally arise while dealing with Hoffman's celebrated...
Parallel partitioning method (PPM): A new exact method to solve bi-objective problems
Parallel partitioning method (PPM): A new exact method to solve bi-objective problems
2007,
In this paper, we propose a new exact method, called the parallel partitioning method...
Bound sets for biobjective combinatorial optimization problems
Bound sets for biobjective combinatorial optimization problems
2007,
In this paper we introduce the concept of bound sets for multiobjective discrete...
A hybrid scatter search for the probabilistic traveling salesman problem
A hybrid scatter search for the probabilistic traveling salesman problem
2007,
The probabilistic traveling salesman problem (PTSP) is an important theoretical and...
A method using weight restrictions in data envelopment analysis for ranking and validity issues in decision making
A method using weight restrictions in data envelopment analysis for ranking and validity issues in decision making
2007,
In this article we introduce a comprehensive yet efficient approach based on data...
A heuristic approach for the continuous error localization problem in data cleaning
A heuristic approach for the continuous error localization problem in data cleaning
2007,
The Error Localization Problem concerns finding the minimum number of fields in a...
A branch-and-cut algorithm for the continuous error localization problem in data cleaning
A branch-and-cut algorithm for the continuous error localization problem in data cleaning
2007,
Data collected by statistical agencies may contain mistakes made during the...
K-T.R.A.C.E: A kernel k-means procedure for classification
K-T.R.A.C.E: A kernel k-means procedure for classification
2007,
In a computational context, classification refers to assigning objects to different...
Hybrid meta-heuristics algorithms for task assignment in heterogeneous computing systems
Hybrid meta-heuristics algorithms for task assignment in heterogeneous computing systems
2006,
In this paper we tackle the task assignment problem (TSAP) in heterogeneous computer...
Post-pruning in decision tree induction using multiple performance measures
Post-pruning in decision tree induction using multiple performance measures
2007,
The decision tree (DT) induction process has two major phases: the growth phase and...
Scheduling machine-dependent jobs to minimize lateness on machines with identical speed under availability constraints
Scheduling machine-dependent jobs to minimize lateness on machines with identical speed under availability constraints
2007,
In this paper we consider the problem of scheduling n preemptive jobs on m machines...
A comparison of lower bounds for the single-machine early/tardy problem
A comparison of lower bounds for the single-machine early/tardy problem
2007,
This paper considers the single-machine early/tardy problem. The paper presents a...
Simple heuristics for scheduling with limited intermediate storage
Simple heuristics for scheduling with limited intermediate storage
2007,
Limited storage capacities impose important restrictions in production planning and...
A simple linear time algorithm for scheduling with step-improving processing times
A simple linear time algorithm for scheduling with step-improving processing times
2007,
We consider the problem of scheduling jobs with step-improving processing times around...
On a stochastic sequencing and scheduling problem
On a stochastic sequencing and scheduling problem
2007,
We present a framework for solving multistage pure 0–1 programs for a widely...
Hybrid backward and forward dynamic programming based Lagrangian relaxation for single machine scheduling
Hybrid backward and forward dynamic programming based Lagrangian relaxation for single machine scheduling
2007,
In this paper we consider the single machine scheduling problem with precedence...
Scheduling a hybrid flowshop with batch production at the last stage
Scheduling a hybrid flowshop with batch production at the last stage
2007,
In this paper, we address the problem of scheduling n jobs in an s -stage hybrid...
Scheduling parallel CNC machines with time/cost trade-off considerations
Scheduling parallel CNC machines with time/cost trade-off considerations
2007,
When the processing times of jobs are controllable, selected processing times affect...
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