Country: Canada

Found 531 papers in total
Simple and fast reoptimizations for the Steiner tree problem
Simple and fast reoptimizations for the Steiner tree problem
2009,
We address reoptimization issues for the Steiner tree problem. We assume that an...
Approximable 1-Turn routing problems in all-optical mesh networks
Approximable 1-Turn routing problems in all-optical mesh networks
2009,
In all-optical networks, several communications can be transmitted through the same...
Recoverable robustness for train shunting problems
Recoverable robustness for train shunting problems
2009,
Several attempts have been done in the literature in the last years in order to...
2-Commodity integer network synthesis problem
2-Commodity integer network synthesis problem
2009,
We consider the following 2-commodity, integer network synthesis problem: Given two...
From balls and bins to points and vertices
From balls and bins to points and vertices
2009,
Given a graph G = (V, E) with |V| = n, we consider the following problem. Place m = n...
Generalized traveling salesman problem reduction algorithms
Generalized traveling salesman problem reduction algorithms
2009,
The generalized traveling salesman problem (GTSP) is an extension of the well-known...
A two-period portfolio selection model for asset-backed securitization
A two-period portfolio selection model for asset-backed securitization
2009,
Asset-Backed Securitization (ABS) is a well-stated financial mechanism which allows an...
Optimal agenda-setter timing
Optimal agenda-setter timing
2009,
We analyze the optimal timing problem of an agenda setter who can propose a project...
Linear programming method for investigating the disposal histories and locations of pollutant sources in an aquifer
Linear programming method for investigating the disposal histories and locations of pollutant sources in an aquifer
2009,
A linear programming based methodology has been used to identify the unknown sources...
Predictive system for monitoring regional visitor attendance levels in large recreational areas
Predictive system for monitoring regional visitor attendance levels in large recreational areas
2009,
The number of people in a certain place in desired time period is one of the main...
Renosterveld conservation in South Africa: A case study for handling uncertainty in knowledge-based neural networks for environmental management
Renosterveld conservation in South Africa: A case study for handling uncertainty in knowledge-based neural networks for environmental management
2009,
This work presents an artificial intelligence method for the development of decision...
A qualitative decision support for environmental impact assessment using fuzzy logic
A qualitative decision support for environmental impact assessment using fuzzy logic
2009,
In environmental impact assessment (EIA), experts produce conclusions not only...
Estimation of spatial influence models using mixed-integer programming
Estimation of spatial influence models using mixed-integer programming
2009,
Estimation of ecosystem models is an important task and many studies have been carried...
DIPIP: Dual interval probabilistic integer programming for solid waste management
DIPIP: Dual interval probabilistic integer programming for solid waste management
2009,
In this study, a dual interval probabilistic integer programming (DIPIP) model is...
Solving some multistage robust decision problems with huge implicitly defined scenario trees
Solving some multistage robust decision problems with huge implicitly defined scenario trees
2009,
This paper describes models and solution algorithms for solving robust multistage...
Compatible weights and valid cycles in non-spanning OSPF (open shortest path first) routing patterns
Compatible weights and valid cycles in non-spanning OSPF (open shortest path first) routing patterns
2009,
Many IP (Internet Protocol) networks use OSPF (Open Shortest Path First) for...
Greedy algorithms for on-line set-covering
Greedy algorithms for on-line set-covering
2009,
We study on-line models for the set-covering problem in which items from a ground set...
Approximated MLC (multileaf collimator) shape matrix decomposition with interleaf collision constraint
Approximated MLC (multileaf collimator) shape matrix decomposition with interleaf collision constraint
2009,
Shape matrix decomposition is a subproblem in radiation therapy planning. A given...
Robust selling times in adaptive portfolio management
Robust selling times in adaptive portfolio management
2009,
Traditional techniques in portfolio management rely on the precise knowledge of the...
General form of nonmonotone line search techniques for unconstrained optimization
General form of nonmonotone line search techniques for unconstrained optimization
2009,
By using the forcing function, we proposed a general form of nonmonotone line search...
A solution approach for two-stage stochastic nonlinear mixed integer programs
A solution approach for two-stage stochastic nonlinear mixed integer programs
2009,
This paper addresses the class of nonlinear mixed integer stochastic programming...
Reducing the tongue-and-groove underdosage in MLC (multileaf collimator) shape matrix decomposition
Reducing the tongue-and-groove underdosage in MLC (multileaf collimator) shape matrix decomposition
2008,
We present an algorithm for optimal step-and-shoot multileaf collimator field...
A combinatorial optimization approach for determining composition and sequence of polymers
A combinatorial optimization approach for determining composition and sequence of polymers
2008,
Polymers are compounds formed by the joining of smaller, often repeating, units linked...
Quadratic binary programming models in computational biology
Quadratic binary programming models in computational biology
2008,
In this paper we formulate four problems in computational molecular biology as...
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