Results 21 to 30 of about 3,493,038 (254)

Machine Learning-Guided Dual Heuristics and New Lower Bounds for the Refueling and Maintenance Planning Problem of Nuclear Power Plants

open access: yesAlgorithms, 2020
This paper studies the hybridization of Mixed Integer Programming (MIP) with dual heuristics and machine learning techniques, to provide dual bounds for a large scale optimization problem from an industrial application.
Nicolas Dupin, El-Ghazali Talbi
doaj   +1 more source

Approaches for the Prediction of Lead Times in an Engineer to Order Environment—A Systematic Review

open access: yesIEEE Access, 2020
The interest of manufacturing companies in a sufficient prediction of lead times is continuously increasing - especially in engineer to order environments with typically a large number of individual parts and complex production processes.
Peter Burggraf   +3 more
doaj   +1 more source

Synchromodality in the Physical Internet – dual sourcing and real-time switching between transport modes

open access: yesEuropean Transport Research Review, 2019
Synchromodality, also referred to as “synchronized intermodality”, employs multiple transport modes in a flexible, dynamic way in order to induce a modal shift towards more environmentally friendly transport modes like rail or inland waterways, without ...
Nina Lemmens   +2 more
doaj   +1 more source

Operations research - future perspectives

open access: yesORiON, 2003
Many of the current exciting developments in operations Research (OR) will have a major impact on its future. Advances in computer technology and the resulting creation of opportunities for making these technologies available to decision-makers are ...
H.W. Ittmann
doaj   +1 more source

A comparison of Artificial Bee Colony algorithm and the Genetic Algorithm with the purpose of minimizing the total distance for the Vehicle Routing Problem [PDF]

open access: yesRevista Română de Informatică și Automatică, 2022
Nowadays, the vehicle routing problem is one of the most important combinational optimization problems and it has received much attention because of its real application in industrial and service-related contexts.
Amel Mounia DJEBBAR, Chérifa BOUDIA
doaj   +1 more source

Modeling and simulation for supply chain finance under uncertain environment

open access: yesTechnological and Economic Development of Economy, 2020
This paper studies the role of factoring in a bilateral supply chain, where both the supplier and retailer are financially constrained. Applying the stylized Stackelberg game, we analytically present that the supplier’s capital shortage limits the ...
Wei Jin, Chengfu Wang
doaj   +1 more source

Team-Assisted Individualization Type of the Cooperative Learning Model for Improving Mathematical Problem Solving, Communication, and Self-Proficiency: Evidence from Operations Research Teaching

open access: yesEducation Sciences, 2022
The purpose of this study is to analyze the increase in the mathematical problem-solving (MPS), mathematical communication (MC), and self-proficiency (SPr) abilities of students by applying the team-assisted individualization type (TAI) of the ...
Georgina Maria Tinungki   +3 more
doaj   +1 more source

Technical Study of the Installation of a Watercress Nectar Processor to Reduce Anemia in Adults

open access: yesManagement Systems in Production Engineering, 2023
Peru has a diversity of exotic fruits and plants with recognized yields for food and health protection. Nectars are highly consumed food products, made from fruits or vegetables.
Manrique-Suarez Luis-Alberto   +3 more
doaj   +1 more source

Continuous-Service M/M/1 Queuing Systems

open access: yesApplied System Innovation, 2019
In this paper, we look into a novel notion of the standard M/M/1 queueing system. In our study, we assume that there is a single server and that there are two types of customers: real and imaginary customers. Real customers are regular customers arriving
Song Chew
doaj   +1 more source

An Imitation and Heuristic Method for Scheduling with Subcontracted Resources

open access: yesMathematics, 2021
A scheduling problem with subcontracted resources is widely spread and is associated with the distribution of limited renewable and non-renewable resources, both own and subcontracted ones based on the work’s due dates and the earliest start time ...
Anna Antonova   +2 more
doaj   +1 more source

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