Roussos Dimitrakopoulos : Publications : GERAD

Jan 2022

Updating geostatistically simulated models of mineral deposits in real-time with incoming new information using actor-critic reinforcement learning

Ashish Kumar and Roussos Dimitrakopoulos

Computers & Geosciences, 158, Paper no: 104962, 2022 BibTeX reference

Oct 2021

Training image free high-order stochastic simulation based on aggregated kernel statistics

Lingqing Yao, Roussos Dimitrakopoulos, and Michel Gamache

Mathematical Geosciences, 53(7), 1469–1489, 2021 BibTeX reference

Oct 2021

Simultaneous production scheduling and transportation optimization from mines to port under uncertain material supply

Mélanie LaRoche-Boisvert, Roussos Dimitrakopoulos, and Jacques A. Ferland

Resources Policy, 73, page 102150, 2021 BibTeX reference

Oct 2021

Production scheduling in industrial mining complexes with incoming new information using tree search and deep reinforcement learning

Ashish Kumar and Roussos Dimitrakopoulos

Applied Soft Computing, 110, page 107644, 2021 BibTeX reference

Aug 2021

Stochastic stope design optimization under grade uncertainty and dynamic development costs

Matheus Faria, Roussos Dimitrakopoulos, and Clàudio Pinto

To appear in: International Journal of Mining, Reclamation and Environment , 2021 BibTeX reference

Jul 2021

An adaptive large neighborhood search heuristic to optimize mineral value chains under metal and material type uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

To appear in: International Journal of Mining, Reclamation and Environment, 2021 BibTeX reference

Jun 2021

High-order data-driven spatial simulation of categorical variables

Ilnur Minniakhmetov and Roussos Dimitrakopoulos

Mathematical Geosciences, 2021 BibTeX reference

Jun 2021

Integrating production planning with truck-dispatching decisions through reinforcement learning while managing uncertainty

João Pedro De Carvalho and Roussos Dimitrakopoulos

Minerals, 11(6), page 587, 2021 BibTeX reference

Apr 2021

Learning high-order spatial statistics at multiple scales: A kernel-based stochastic simulation algorithm and its implementation

Lingqing Yao, Roussos Dimitrakopoulos, and Michel Gamache

Computers & Geosciences, 149, 104702, 2021 BibTeX reference

Apr 2021

A matheuristic approach for optimizing mineral value chains under uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

Optimization and Engineering, 2021 BibTeX reference

Feb 2021

An application of Simultaneous stochastic optimization at a large open-pit gold mining complex under supply uncertainty

Mélanie LaRoche-Boisvert and Roussos Dimitrakopoulos

Minerals, 11(2), page 172, 2021 BibTeX reference

Dec 2020

Joint stochastic short-term production scheduling and fleet management optimization for mining complexes

Christian Both and Roussos Dimitrakopoulos

Optimization and Engineering, 21(4), 1717–1743, 2020 BibTeX reference

Oct 2020

Adaptive self-learning mechanisms for updating short-term production decisions in an industrial mining complex

Ashish Kumar, Roussos Dimitrakopoulos, and Marco Maulen

Journal of Intelligent Manufacturing, 31(7), 1795–1811, 2020 BibTeX reference

Sep 2020

An application of simultaneous stochastic optimization of an open-pit gold mining complex with tailings management

Ziad Saliba and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 34(8), 592–607, 2020 BibTeX reference

Aug 2020

Long-term mine production scheduling with multiple processing destinations under mineral supply uncertainty, based on multi-neighbourhood Tabu search

Renaud Senécal and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 34(7), 459–475, 2020 BibTeX reference

Aug 2020

Incorporating geological and equipment performance uncertainty while optimizing short-term mine production schedules

Matthew Quigley and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment , 34(5), 362–383, 2020 BibTeX reference

Aug 2020

Production scheduling under uncertainty of an open-pit mine using Lagrangian relaxation and branch-and-cut algorithm

Snehamoy Chatterjee and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment , 34(5), 343–361, 2020 BibTeX reference

Jul 2020

High-order sequential simulation via statistical learning in reproducing kernel Hilbert space

Lingqing Yao, Roussos Dimitrakopoulos, and Michel Gamache

Mathematical Geosciences, 52(5), 693–723, 2020 BibTeX reference

Jun 2020

Simultaneous stochastic optimisation of an open-pit gold mining complex with waste management

Zachary Levinson and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 34(6), 415–429, 2020 BibTeX reference

Mar 2020

A dynamic stochastic programming approach for open-pit mine planning with geological and commodity price uncertainty

Adrien Rimélé, Roussos Dimitrakopoulos, and Michel Gamache

Resources Policy, 65, 101570, 2020 BibTeX reference

Mar 2020

Adaptive simultaneous stochastic optimization of a gold mining complex: A case study

Zachary Levinson and Roussos Dimitrakopoulos

Journal of the Southern African Institute of Mining and Metallurgy, 120(3), 221–232, 2020 BibTeX reference

Mar 2020

Hyper-heuristic approaches for strategic mine planning under uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

Computers & Operations Research, 115, Paper no: 104590, 2020 BibTeX reference

Mar 2020

Adaptive simultaneous stochastic optimization of a gold mining complex: A case study

Zachary Levinson and Roussos Dimitrakopoulos

The Southern African Insitute of Mining and Metallurgy, 120(3), 221–232, 2020 BibTeX reference

Oct 2019

Stochastic orebody modelling and stochastic long-term production scheduling at the KéMag iron ore deposit, Quebec, Canada

Maria Natalia Vallejo and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 33(7), 462–479, 2019 BibTeX reference

Oct 2019

Simultaneous stochastic optimization of an open pit gold mining complex with supply and market uncertainty

Ziad Saliba and Roussos Dimitrakopoulos

Mining Technology , 128(4), 216–229, 2019 BibTeX reference

Aug 2019

Stochastic optimisation of long-term block cave scheduling with hang-up and grade uncertainty

Rein Dirkx, Vassilios Kazakidis, and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 33(6), 371–388, 2019 BibTeX reference

Aug 2019

High-order block support spatial simulation and application at a gold deposit

João Pedro De Carvalho, Roussos Dimitrakopoulos, and Ilnur Minniakhmetov

Mathematical Geosciences, 51(6), 793–810, 2019 BibTeX reference

Jul 2019

Responding to new information in a mining complex: Fast mechanisms using machine learning

Cosmin Paduraru and Roussos Dimitrakopoulos

Mining Technology , 128(3), 129–142, 2019 BibTeX reference

Apr 2019

Effects of high-order simulations on the simultaneous stochastic optimization of mining complexes

João Pedro De Carvalho and Roussos Dimitrakopoulos

Minerals, 9(4), page 210, 2019 BibTeX reference

Apr 2019

Optimizing a mineral value chain with market uncertainty using benders decomposition

Jian Zhang, Barrie R. Nault, and Roussos Dimitrakopoulos

European Journal of Operational Research, 274(1), 227–239, 2019 BibTeX reference

Apr 2019

Application of simultaneous stochastic optimization with geometallurgical decisions at a copper-gold mining complex

Ashish Kumar and Roussos Dimitrakopoulos

Mining Technology, 128(2), 88–105, 2019 BibTeX reference

Mar 2019

Dynamically optimizing the strategic plan of mining complexes under supply uncertainty

Maria Fernanda Del Castillo and Roussos Dimitrakopoulos

Resources Policy, 60, 83–93, 2019 BibTeX reference

Jan 2019

Multi-fractal conditional simulation of fault populations in coal seams using analogues: Method and application at a coal seam

Roussos Dimitrakopoulos, J. Scott, and Shuxing Li

International Journal of Mining, Reclamation and Environment, 33(5), 340–352, 2019 BibTeX reference

Dec 2018

Simultaneous stochastic optimization of production scheduling at Twin Creeks mining complex, Nevada

Luis Montiel and Roussos Dimitrakopoulos

Mining Engineering, 70(12), 48–56, 2018 BibTeX reference

Nov 2018

A new computational model of high-order stochastic simulation based on spatial Legendre moments

Lingqing Yao, Roussos Dimitrakopoulos, and Michel Gamache

Mathematical Geosciences, 50(8), 929–960, 2018 BibTeX reference

Oct 2018

High-order spatial simulation using Legendre-like orthogonal splines

Ilnur Minniakhmetov, Roussos Dimitrakopoulos, and Marcelo C. Godoy

Mathematical Geosciences, 50(7), 753–780, 2018 BibTeX reference

Aug 2018

A stochastic optimization method with in-pit waste and tailings disposal for open pit life-of-mine production planning

Adrien Rimélé, Roussos Dimitrakopoulos, and Michel Gamache

Resources Policy, 57, 112–121, 2018 BibTeX reference

Jun 2018

Stochastic optimization for a mineral value chain with nonlinear recovery and forward contracts

Jian Zhang and Roussos Dimitrakopoulos

Journal of the Operational Research Society, 69(6), 864–875, 2018 BibTeX reference

Jan 2018

Stochastic strategic planning of open-pit mines with ore selectivity recourse

Alessandro Navarra, Luis Montiel, and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 32(1), 1–17, 2018 BibTeX reference

Jan 2018

Adaptive policies for short-term material flow optimization in a mining complex

Cosmin Paduraru and Roussos Dimitrakopoulos

Mining Technology, 127(1), 56–63, 2018 BibTeX reference

Jan 2018

Risk-resilient mine production schedules with favourable product quality for rare earth element projects

Matthew Quigley, Roussos Dimitrakopoulos, and Tassos Grammatikopoulos

Mining Technology, 127(1), 41–55, 2018 BibTeX reference

Jan 2018

Schedule-based pushback design within the stochastic optimisation framework

Iain Farmer and Roussos Dimitrakopoulos

International Journal of Mining, Reclamation and Environment, 23(5), 327–340, 2018 BibTeX reference

Jan 2018

Optimizing infill drilling decisions using multi-armed bandits: Application in a long-term, multi-element stockpile

Rein Dirkx and Roussos Dimitrakopoulos

Mathematical Geosciences, 50(1), 35–52, 2018 BibTeX reference

Oct 2017

A heuristic approach for the stochastic optimization of mine production schedules

Luis Montiel and Roussos Dimitrakopoulos

Journal of Heuristics , 23(5), 397–415, 2017 BibTeX reference

Oct 2017

Risk management and long-term production schedule optimization at the LabMag iron ore deposit in Labrador, Canada

Michael Spleit and Roussos Dimitrakopoulos

Mining Engineering, 69(10), 47–53, 2017 BibTeX reference

Sep 2017

A stochastic optimization formulation for the transition from open pit to underground mining

James MacNeil and Roussos Dimitrakopoulos

Optimization and Engineering, 18(3), 793–813, 2017 BibTeX reference

Apr 2017

A dynamic-material-value-based decomposition method for optimizing a mineral value chain with uncertainty

Jian Zhang and Roussos Dimitrakopoulos

European Journal of Operational Research, 258(2), 617–625, 2017 BibTeX reference

Apr 2017

Smart oil fields and mining complexes

Louis J. Durlofsky and Roussos Dimitrakopoulos

Mathematical Geosciences, 49(3), 275–276, 2017 BibTeX reference

Apr 2017

Simultaneous stochastic optimization of mining complexes and mineral value chains

Ryan Goodfellow and Roussos Dimitrakopoulos

Mathematical Geosciences, 49(3), 341–360, 2017 BibTeX reference

Jan 2017

Modelling geological variability in the LabMag iron ore deposit and effects on the long-term production schedule

Michael Spleit and Roussos Dimitrakopoulos

Mining Technology, 126(1), 44–58, 2017 BibTeX reference

Jan 2017

Joint high-order simulation of spatially correlated variables using high-order spatial statistics

Ilnur Minniakhmetov and Roussos Dimitrakopoulos

Mathematical Geosciences, 49(1), 39–66, 2017 BibTeX reference

Dec 2016

Stochastic short-term mine production schedule accounting for fleet allocation, operational considerations and blending restrictions

Martha E. Villalba Matamoros and Roussos Dimitrakopoulos

European Journal of Operational Research, 255(3), 911–921, 2016 BibTeX reference

Dec 2016

Simulation of weathered profiles coupled with multivariate block-support simulation of the Puma nickel laterite deposit, Brazil

Mario De Freitas Silva and Roussos Dimitrakopoulos

Engineering Geology, 215, 108–121, 2016 BibTeX reference

Dec 2016

A multivariate destination policy for geometallurgical variables in mineral value chains using coalition-formation clustering

Maria Fernanda Del Castillo and Roussos Dimitrakopoulos

Resources Policy, 50, 322–332, 2016 BibTeX reference

Oct 2016

Testing geological heterogeneity representations for enhanced oil recovery techniques

Elena Tamayo-Mas, Hussein Mustapha, and Roussos Dimitrakopoulos

Journal of Petroleum Science and Engineering, 146, 222–240, 2016 BibTeX reference

Sep 2016

Progressive hedging applied as a metaheuristic to schedule production in open-pit mines accounting for reserve uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

European Journal of Operational Research, 253(3), 843–855, 2016 BibTeX reference

Jun 2016

Fast wavelet based conditional simulation with training images

Snehamoy Chatterjee, Hussein Mustapha, and Roussos Dimitrakopoulos

Computational Geosciences, 20(3), 399–420, 2016 BibTeX reference

Jun 2016

Fast wavelet-based stochastic simulation using training images

Snehamoy Chatterjee, Hussein Mustapha, and Roussos Dimitrakopoulos

Computational Geosciences, 20(3), 399–420, 2016 BibTeX reference

Apr 2016

Network-flow based algorithms for scheduling production in multi-processor open-pit mines accounting for metal uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

European Journal of Operational Research, 250(1), 273–290, 2016 BibTeX reference

Mar 2016

Underground long-term mine production scheduling with integrated geological risk management

Sabrina Carpentier, Michel Gamache, and Roussos Dimitrakopoulos

Mining Technology, 125(2), 93–102, 2016 BibTeX reference

Mar 2016

Global optimization of open pit mining complexes with uncertainty

Ryan Goodfellow and Roussos Dimitrakopoulos

Applied Soft Computing, 40(C), 292–304, 2016 BibTeX reference

Feb 2016

Globally optimising open-pit and underground mining operations under geological uncertainty

Luis Montiel, Roussos Dimitrakopoulos, and Kazuhiro Kawahata

Mining Technology, 125(1), 2–14, 2016 BibTeX reference

Feb 2016

Stochastic simulation of the Fox kimberlitic diamond pipe, Ekati mine, Northwest Territories, Canada

Lucia Robles-Stefoni and Roussos Dimitrakopoulos

The Journal of The Southern African Institute of Mining and Metallurgy, 116(2), 189–200, 2016 BibTeX reference

Nov 2015

A hybrid method based on linear programming and variable neighborhood descent for scheduling production in open-pit mines

Amina Lamghari, Roussos Dimitrakopoulos, and Jacques A. Ferland

Journal of Global Optimization, 63(3), 555–582, 2015 BibTeX reference

Nov 2015

Optimizing mining complexes with multiple processing and transportation alternatives: An uncertainty-based approach

Luis Montiel and Roussos Dimitrakopoulos

European Journal of Operational Research, 247(1), 166–178, 2015 BibTeX reference

Jul 2015

Optimal mining rates revisited: Managing mining equipment and geological risk at a given mine setup

Maria Fernanda Del Castillo, Marcelo C. Godoy, and Roussos Dimitrakopoulos

Journal of Mining Science, 51(4), 785–798, 2015 BibTeX reference

Feb 2015

Solving a large SIP model for production scheduling at a gold mine with multiple processing streams and uncertain geology

Mario De Freitas Silva, Roussos Dimitrakopoulos, and Amina Lamghari

Mining Technology, 124(1), 24–33, 2015 BibTeX reference

Dec 2014

Optimizing mining rates under financial uncertainty in global mining complexes

Arman C. Kizilkale and Roussos Dimitrakopoulos

International Journal of Production Economics, 158, 359–365, 2014 BibTeX reference

Dec 2014

Joint effect of commodity price and geological uncertainty over the life of mine and ultimate pit limit

Maria Fernanda Del Castillo and Roussos Dimitrakopoulos

Mining Technology, 123(4), 207–219, 2014 BibTeX reference

Nov 2014

Stochastic optimization of mine production scheduling with uncertain ore/metal/waste supply

Andre Leite and Roussos Dimitrakopoulos

Mining Science and Technology, 24(6), 755–762, 2014 BibTeX reference

Sep 2014

A variable neighborhood descent algorithm for the open-pit mine production scheduling problem with metal uncertainty

Amina Lamghari, Roussos Dimitrakopoulos, and Jacques A. Ferland

Journal of the Operational Research Society, 65(9), 1305–1314, 2014 BibTeX reference

Aug 2014

Stochastic production phase design for an open pit mining complex with multiple processing streams

Mohammad Waqar Ali Asad, Roussos Dimitrakopoulos, and Jeroen van Eldert

Engineering Optimization, 46(8), 1139–1152, 2014 BibTeX reference

Jul 2014

A new approach to constrained open pit pushback design using dynamic cut-off grades

Conor Meagher, Roussos Dimitrakopoulos, and Victor Vidal

Journal of Mining Science, 50(4), 733–744, 2014 BibTeX reference

Jun 2014

Grade control based on economic ore/waste classification functions and stochastic simulations: examples, comparisons and applications

Roussos Dimitrakopoulos and Marcelo C. Godoy

Mining Technology, 123(2), 90–106, 2014 BibTeX reference

May 2014

Optimized open pit mine design, pushbacks and the gap problem—a review

Conor Meagher, Roussos Dimitrakopoulos, and David Avis

Journal of Mining Science, 50(3), 508–526, 2014 BibTeX reference

Jan 2014

CDFSIM: Efficient stochastic simulation through decomposition of cumulative distribution functions of transformed spatial patterns

Hussein Mustapha, Snehamoy Chatterjee, and Roussos Dimitrakopoulos

Mathematical Geosciences, 46(1), 95–123, 2014 BibTeX reference

Dec 2013

A heuristic approach to stochastic cutoff grade optimization for open pit mining complexes with multiple processing streams

Mohammad Waqar Ali Asad and Roussos Dimitrakopoulos

Resources Policy, 38(4), 591–597, 2013 BibTeX reference

Nov 2013

Forecasting recoverable ore reserves and their uncertainty at Morila Gold Deposit, Mali: An efficient simulation approach and future grade control drilling

Richard Peattie and Roussos Dimitrakopoulos

Mathematical Geosciences, 45(8), 1005–1020, 2013 BibTeX reference

Jul 2013

Stochastic mine production scheduling with multiple processes: Application at Escondida Norte, Chile

Luis Montiel and Roussos Dimitrakopoulos

Journal of Mining Science, 49(4), 583–597, 2013 BibTeX reference

Jun 2013

Algorithmic integration of geological uncertainty in pushback designs for complex multi-process open pit mines

Ryan Goodfellow and Roussos Dimitrakopoulos

Mining Technology, 122(2), 67–77, 2013 BibTeX reference

Jun 2013

Guest editorial: Special issue on strategic mine planning

Roussos Dimitrakopoulos

Mining Technology, 122(2), 65–66, 2013 BibTeX reference

Jun 2013

Joint stochastic optimization of short-and long-term mine production planning: Method and application in a large operating gold mine

Roussos Dimitrakopoulos and A. Jewbali

Mining Technology, 122(2), 110–123, 2013 BibTeX reference

Jun 2013

Production scheduling with uncertain supply: A new solution to the open pit mining problem

Salih Ramazan and Roussos Dimitrakopoulos

Optimization and Engineering, 14(2), 361–380, 2013 BibTeX reference

Apr 2013

Geologic heterogeneity recognition using discrete wavelet transformation for subsurface flow solute transport simulations

Hussein Mustapha, Snehamoy Chatterjee, Roussos Dimitrakopoulos, and Thomas Graf

Advances in Water Resources, 54, 22–37, 2013 BibTeX reference

Feb 2013

Implementing a parametric maximum flow algorithm for optimal open pit mine design under uncertain supply and demand

Mohammad Waqar Ali Asad and Roussos Dimitrakopoulos

Journal of the Operational Research Society, 64(2), 185–197, 2013 BibTeX reference

Jan 2013

Stochastic long-term production scheduling of iron ore deposits: Integrating joint multi-element geological uncertainty

J Benndorf and Roussos Dimitrakopoulos

Journal of Mining Science, 49(1), 68–81, 2013 BibTeX reference

Nov 2012

A diversified Tabu search approach for the open-pit mine production scheduling problem with metal uncertainty

Amina Lamghari and Roussos Dimitrakopoulos

European Journal of Operational Research, 222(3), 642–652, 2012 BibTeX reference

Aug 2012

Multi-scale stochastic simulation with wavelet-based approach

Snehamoy Chatterjee and Roussos Dimitrakopoulos

Computers & Geosciences, 45, 177–189, 2012 BibTeX reference

Jul 2012

Performance evaluation of a new stochastic network flow approach to optimal open pit mine design - application at a gold mine

Mohammad Waqar Ali Asad and Roussos Dimitrakopoulos

The Journal of The Southern African Institute of Mining and Metallurgy, 112, 649–655, 2012 BibTeX reference

May 2012

Multivariate block-support simulation of the Yandi iron ore deposit, Western Australia

Alexandre Boucher and Roussos Dimitrakopoulos

Mathematical Geosciences, 44(4), 449–468, 2012 BibTeX reference

May 2012

Quantifying multi-element and volumetric uncertainty, Coleman McCreedy deposit, Ontario, Canada

Ryan Goodfellow, Francisco Albor Consuegra, Roussos Dimitrakopoulos, and Tim Lloyd

Computers & Geosciences, 42, 71–78, 2012 BibTeX reference

Apr 2012

Dimensional reduction of pattern-based simulation using wavelet analysis

Snehamoy Chatterjee, Roussos Dimitrakopoulos, and Hussein Mustapha

Mathematical Geosciences, 44(3), 343–374, 2012 BibTeX reference

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Roussos Dimitrakopoulos

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