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Stabilized Benders methods for large-scale combinatorial optimization, with application to data privacy
(2020-07)
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Article.
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The Cell Suppression Problem (CSP) is a very large Mixed-IntegerLinear Problem arising in statistical disclosure control. However, CSPhas the typical structure that allows application of the Benders de-composition, which ...
Optimal postponement in supply chain network design under uncertainty: an application for additive manufacturing
(Taylor & Francis, 2020-06-17)
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Article.
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This study presents a new two-stage stochastic programming decision model for assessing how to introduce some new manufacturing technology into any generic supply and distribution chain. It additionally determines the ...
Critical evaluation of European balancing markets to enable the participation of Demand Aggregators
(2020-04-15)
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Article.
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European Directives are incentivizing consumers to play an active role in the electricity system and to collaborate to maintain its stability, which has been historically provided by large generation power plants. However, ...
A new interior-point approach for large two-stage stochastic problems
(2020-04)
Report de recerca.
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Report de recerca.
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Two-stage stochastic models give rise to very large optimization problems. Several approaches havebeen devised for efficiently solving them, including interior-point methods (IPMs). However, usingIPMs, the linking columns ...
A new interior-point approach for large separable convex quadratic two-stage stochastic problems
(2020-11-03)
Article.
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Article.
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Two-stage stochastic models give rise to very large optimization problems. Several approaches havebeen devised for efficiently solving them, including interior-point methods (IPMs). However, usingIPMs, the linking columns ...
Comparison between economic and environmental drivers for demand side aggregator
(2020-08)
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Article.
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Demand-side flexibility is a promising source of the energy system that might enhance renewable energy penetration and help to democratize the electricity sector. However, it is not clear what is the best strategy to adopt ...
Management and activation of energy flexibility at building and market level: a residential case study
(2020-03-01)
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Article.
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The electricity sector foresees a significant change in the way energy is generated and distributed in the coming years. With the increasing penetration of renewable energy sources, smart algorithms can determine the ...
An algorithm for the microaggregation problem using column generation
(2020-06)
Report de recerca.
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Report de recerca.
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The field of Statistical Disclosure Control aims at reducing the risk of re-identification of an individualwhen disseminating data, and it is one of the main concerns of national statistical agencies. OperationsResearch ...
The impact of COVID-19 on teaching in statistics and operations research in higher education
(Sociedad de Estadística e Investigación Operativa (SEIO), 2020-07)
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Article.
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This study analyzed the current situation of education in the context of the pandemic caused by COVID-19. The worldwide health emergency situation has caused the confinement of people and with it, the closure of centers ...
Development of ARCADIA: a tool for assessing the quality of peer-review reports in biomedical research
(2020-06)
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Article.
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Objective To develop a tool to assess the quality of peer- review reports in biomedical research.
Methods We conducted an online survey intended for biomedical editors and authors. The survey aimed to (1) determine if ...