Articles with "reformulation" as a keyword



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Structured linear reformulation of binary quadratically constrained quadratic programs

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Published in 2020 at "Optimization Letters"

DOI: 10.1007/s11590-018-1361-8

Abstract: This paper presents a new linear reformulation to convert a binary quadratically constrained quadratic program into a 0–1 mixed integer linear program. By exploiting the symmetric structure of the quadratic terms embedded in the objective… read more here.

Keywords: linear reformulation; binary quadratically; constrained quadratic; structured linear ... See more keywords
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Cubic Regularization Methods with Second-Order Complexity Guarantee Based on a New Subproblem Reformulation

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Published in 2022 at "Journal of the Operations Research Society of China"

DOI: 10.1007/s40305-022-00398-5

Abstract: The cubic regularization (CR) algorithm has attracted a lot of attentions in the literature in recent years. We propose a new reformulation of the cubic regularization subproblem. The reformulation is an unconstrained convex problem that… read more here.

Keywords: subproblem reformulation; complexity; regularization; reformulation ... See more keywords
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Comparison of high and low trans-fatty acid consumers: analyses of UK National Diet and Nutrition Surveys before and after product reformulation

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Published in 2017 at "Public Health Nutrition"

DOI: 10.1017/s1368980017002877

Abstract: Abstract Objective The WHO encourages the virtual elimination of artificial trans-fatty acids (TFA), which increase CHD risk. Our UK analysis explores whether voluntary reformulation results in differential TFA intakes among socio-economic groups by determining characteristics… read more here.

Keywords: tfa; pre reformulation; post reformulation; nutrition ... See more keywords
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Solving 0–1 Quadratic Programs by Reformulation Techniques

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Published in 2017 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.7b01270

Abstract: We derive and study a reformulation technique for general 0–1 quadratic programs (QP) that uses diagonal as well as nondiagonal perturbation of the objective function. The technique is an extension of the Quadratic Convex Reformulation… read more here.

Keywords: technique; quadratic programs; solving quadratic; qcr method ... See more keywords
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Cardinality-constrained programs with nonnegative variables and an SCA method

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Published in 2021 at "Journal of the Operational Research Society"

DOI: 10.1080/01605682.2020.1854627

Abstract: Abstract We study a cardinality-constrained optimisation problem with nonnegative variables in this paper. This problem is often encountered in practice. Firstly, we study some properties on the optimal solutions of this optimisation problem under some… read more here.

Keywords: cardinality constrained; problem; optimisation problem; nonnegative variables ... See more keywords
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Success of reformulation and health education in reducing sodium intakes across socioeconomic groups

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Published in 2020 at "European Journal of Public Health"

DOI: 10.1093/eurpub/ckaa165.578

Abstract: The UK salt reduction programme started in 2005, consisting of education campaigns and a reformulation strategy. This programme is often cited as an example of a successful public health programme, and used as a model… read more here.

Keywords: sodium intakes; sodium density; sodium; reformulation ... See more keywords
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232The Impact of Australasian Voluntary Front of Pack Nutrition Labelling on Packaged Food Reformulation

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Published in 2021 at "International Journal of Epidemiology"

DOI: 10.1093/ije/dyab168.050

Abstract: Front-of-pack nutrition labelling (FoPL) of packaged foods can promote healthier diets. Australia & New Zealand (NZ) adopted the voluntary Health Star Rating (HSR) scheme in 2014. We studied the impact of voluntary adoption of HSR… read more here.

Keywords: nutrition labelling; hsr; front pack; nutrition ... See more keywords
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Effects of product reformulation on sugar intake and health—a systematic review and meta-analysis

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Published in 2019 at "Nutrition Reviews"

DOI: 10.1093/nutrit/nuy015

Abstract: Context Obesity, type 2 diabetes, and dental caries are all major public health problems in the United Kingdom and contribute substantially to healthcare costs. Objective A systematic review and meta-analysis was conducted to determine the… read more here.

Keywords: review meta; sugar intake; systematic review; health ... See more keywords
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Hyper-Graph Partitioning for a Multi-Agent Reformulation of Large-Scale MILPs

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Published in 2021 at "IEEE Control Systems Letters"

DOI: 10.1109/lcsys.2021.3093338

Abstract: This letter addresses the challenge of solving large-scale Mixed Integer Linear Programs (MILPs). A resolution scheme is proposed for the class of MILPs with a hidden constraint-coupled multi-agent structure. In particular, we focus on the… read more here.

Keywords: graph partitioning; multi agent; hyper graph; reformulation ... See more keywords
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Distributionally Robust Chance Constrained Optimal Power Flow with Renewables: A Conic Reformulation

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Published in 2018 at "IEEE Transactions on Power Systems"

DOI: 10.1109/tpwrs.2017.2725581

Abstract: The uncertainty associated with renewable energy sources introduces significant challenges in optimal power flow (OPF) analysis. A variety of new approaches have been proposed that use chance constraints to limit line or bus overload risk… read more here.

Keywords: power flow; chance; distributionally robust; power ... See more keywords
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Towards satisfying performance of an O/W cosmetic emulsion: screening of reformulation factors on textural and rheological properties using general experimental design

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Published in 2017 at "International Journal of Cosmetic Science"

DOI: 10.1111/ics.12402

Abstract: Consumers' demand for improved products' performance, alongside with the obligation of meeting the safety and efficacy goals, presents a key reason for the reformulation, as well as a challenging task for formulators. Any change of… read more here.

Keywords: general experimental; towards satisfying; textural rheological; performance ... See more keywords