Výsledky vyhledávání - "Kerem Akartunali"

Dynamic lot sizing with stochastic demand timing

Autor: Stéphane Dauzère-Pérès, Kerem Akartunali

Publikováno v: European Journal of Operational Research
European Journal of Operational Research, 2022, 302 (1), pp.221-229. ⟨10.1016/j.ejor.2021.12.027⟩

In this paper, a novel way of modeling uncertainty on demand in the single item dynamic lot sizing problem is proposed and studied. The uncertainty is not related to the demand quantity, but rather to the demand timing, i.e., the demand fully occurs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37b002e7259bf8187d1d870bd176acc4
https://doi.org/10.1016/j.ejor.2021.12.027

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Robust formulations for economic lot-sizing problem with remanufacturing

Autor: Agostinho Agra, Öykü Naz Attila, Kerem Akartunali, Ashwin Arulselvan

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

In this paper, we consider a lot-sizing problem with the remanufacturing option under parameter uncertainties imposed on demands and returns. Remanufacturing has recently been a fast growing area of interest for many researchers due to increasing awa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b32f0ff96d453cc07bbc4d466fec9aab
https://doi.org/10.1016/j.ejor.2020.06.016

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A heuristic approach for the distance-based critical node detection problem in complex networks

Autor: Kerem Akartunali, Ashwin Arulselvan, Eduardo L. Pasiliao, Glory Uche Alozie

The distance-based critical node problem involves identifying a subset of nodes in a network whose removal minimises a pre-defined distance-based connectivity measure. Having the classical critical node problem as a special case, the distance-based c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a41c75b5b2cc13a5f19ea57c0026619b
https://strathprints.strath.ac.uk/75982/7/Alozie_etal_JORS_2021_A_heuristic_approach_for_the_distance_based_critical_node_detection_problem_in_complex_networks.pdf

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Economic lot-sizing problem with remanufacturing option : complexity and algorithms

Autor: Ashwin Arulselvan, Wilco van den Heuvel, Kerem Akartunali

Publikováno v: Optimization Letters, 16(2), 421-432. Springer-Verlag

In a single item dynamic lot-sizing problem, we are given a time horizon and demand for a single item in every time period. The problem seeks a solution that determines how much to produce and carry at each time period, so that we will incur the leas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d80f46f38a59ae9d250a9e6f0e625f75
https://strathprints.strath.ac.uk/76705/7/Arulselvan_etal_OL_2021_Economic_lot_sizing_problem_with_remanufacturing_option.pdf

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A multistage optimisation algorithm for the large Vehicle Routing Problem with Time Windows and Synchronised Visits

Autor: Annalisa Riccardi, Kerem Akartunali, Mateusz Polnik

We propose a multistage algorithm for the Vehicle Routing Problem with Time Windows and Synchronised Visits, which is capable of solving large problem instances arising in Home Health Care applications. The algorithm is based on a Constraint Programm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95a78f1d629279aca3de270734598925
https://strathprints.strath.ac.uk/73214/1/Polnik_etal_JORS_2020_A_multistage_optimisation_algorithm_for_the_large_Vehicle_Routing_Problem.pdf

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MIP approaches for a lot sizing and scheduling problem on multiple production lines with scarce resources, temporary workstations, and perishable products

Autor: Kerem Akartunali, Willy Alves de Oliveira Soler, Maristela Oliveira dos Santos

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

This paper addresses a lot sizing and scheduling problem inspired from a real-world production environment apparent in food industry. Due to the scarcity of resources, only a subset of production lines can operate simultaneously, and those lines need

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1941d8f38185639e6e42f5574771c38
https://strathprints.strath.ac.uk/68691/1/Soler_etal_JORS_2019_MIP_approaches_for_a_lot_sizing_and_scheduling_problem_on_multiple_production_lines.pdf

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Efficient methods for the distance-based critical node detection problem in complex networks

Autor: Ashwin Arulselvan, Glory Uche Alozie, Eduardo L. Pasiliao, Kerem Akartunali

An important problem in network survivability assessment is the identification of critical nodes. The distance-based critical node detection problem addresses the issues of internal cohesiveness and actual distance connectivity overlooked by the trad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34ba7c7591b34aef8ca50efd01145c1b
https://strathprints.strath.ac.uk/75605/1/Alozie_etal_COR2021_Efficient_methods_for_distance_based_critical_node_detection_problem.pdf

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DECOMPOSITION BASED HEURISTICS FOR A LOT SIZING AND SCHEDULING PROBLEM ON MULTIPLE HETEROGENEOUS PRODUCTION LINES WITH PERISHABLE PRODUCTS

Autor: Maristela Oliveira dos Santos, Kerem Akartunali, Willy Alves de Oliveira Soler

Publikováno v: Pesquisa Operacional, Vol 41, Iss spe (2021)
Pesquisa Operacional v.41 n.spe 2021
Pesquisa operacional
Sociedade Brasileira de Pesquisa Operacional (SOBRAPO)
instacron:SOBRAPO
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Pesquisa Operacional, Volume: 41, Issue: spe, Article number: e240377, Published: 11 JUN 2021

In this paper, we propose a novel MIP-based heuristic method to deal with a lot sizing and scheduling problem with multiple heterogeneous production lines in a production setting with perishable items. The problem is inspired by the production proces

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3d92bbc0efacaf2fd9718244a8e7a19
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-74382021000500404&tlng=en

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Passenger demand forecasting in scheduled transportation

Autor: Kerem Akartunali, Alec Morton, Nilabhra Banerjee

The aim of this review article is to provide a synoptic and critical evaluation of the extensive research that has been performed in demand forecasting in the scheduled passenger transportation industry, specifically in the last few decades. The revi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9daac47c4fccff4a0f98f4d1a3dd517a
https://strathprints.strath.ac.uk/70560/1/EJOR_2019_final.pdf

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Introduction to Optimisation

Autor: Kerem Akartunali, Naomi Rutledge, Cristian Greco, Annalisa Riccardi, Alexander Kershaw, Aymen Hashim, Edmondo Minisci

Publikováno v: Optimization Under Uncertainty with Applications to Aerospace Engineering ISBN: 9783030601652

This chapter gives a brief introduction to the formulation of optimisation problems and solving algorithms. After mentioning the different classes of problems, such as continuous/discrete, local/global and single-/multi-objective, and introducing som

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7b70956472102e90406c94682f1d8d4
https://doi.org/10.1007/978-3-030-60166-9_7

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