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20092020
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Research Output 2009 2019

2019
Scheduling
Integer programming
Resources
Lot sizing
Perishable products
2018
4 Citations (Scopus)
Open Access
File
Offshore wind farms
Mixed Methods
Simulation Framework
Decision Support
Schedule
1 Citation (Scopus)
Open Access
File
Industry
Costs
Remanufacturing
Lot sizing
Theoretical analysis
1 Citation (Scopus)

Modelling crew scheduling in offshore supply vessels

Leggate, A., Sucu, S., Akartunali, K. & van der Meer, R., 2018, In : Journal of the Operational Research Society. 69, 6, p. 959-970 12 p.

Research output: Contribution to journalArticle

Open Access
File
Scheduling
Integer programming
Statistical methods
Modeling
Industry
2 Citations (Scopus)
Open Access
File
Valid Inequalities
Lot Sizing
Zero
Setup Times
Facet
2017
1 Citation (Scopus)

A decomposition algorithm for robust lot sizing problem with remanufacturing option

Attila, Ö. N., Agra, A., Akartunali, K. & Arulselvan, A., 7 Jul 2017, Computational Science and its Applications - ICCSA 2017. Gervasi, O. (ed.). Cham, Switzerland: Springer, Vol. 10405. p. 684-695 12 p. (Lecture Notes in Computer Science; vol. 10405).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Remanufacturing
Lot sizing
Decomposition
Conservatism
Production cost
13 Citations (Scopus)
Open Access
File
Constraint Programming
Integer Programming
Nurses
Schedule
Job Satisfaction
7 Citations (Scopus)
Open Access
File
Variable Neighborhood Search
Integer programming
Integer Programming
Search Algorithm
Hybrid Algorithm
1 Citation (Scopus)

Centrality analysis for modified lattices

Paton, M., Akartunali, K. & Higham, D. J., 2017, In : SIAM Journal on Matrix Analysis and Applications. 38, 3, p. 1055–1073 19 p.

Research output: Contribution to journalArticle

Open Access
File
Centrality
Linear systems
PageRank
Linear Systems
Eigenvalue

Editorial: making an impact with optimization

Akartunali, K., Laumanns, M. & Weber, G-W., 31 Dec 2017, In : Optimization. 66, 12, p. 2087-2088 2 p.

Research output: Contribution to journalEditorial

Open Access
File
Operations Research
Optimization
Collaboration
Operations research

Network models and biproportional rounding for fair seat allocations in the UK elections

Akartunali, K. & Knight, P. A., 30 Jun 2017, In : Annals of Operations Research. 253, 1, p. 1-19 19 p.

Research output: Contribution to journalArticle

Open Access
File
Network Flow Problem
Rounding
Elections
Seats
Network Model
File
Offshore wind farms
Logistics
Vessel
Simulation
Costs
7 Citations (Scopus)

Progressive selection method for the coupled lot-sizing and cutting-stock problem

Wu, T., Akartunali, K., Jans, R. & Liang, Z., 30 Jul 2017, In : INFORMS Journal on Computing. 29, 3, p. 523-543 11 p.

Research output: Contribution to journalArticle

Open Access
File
Cutting Stock Problem
Lot Sizing
Dantzig-Wolfe Decomposition
Heuristic Search
Reformulation
File
Offshore wind farms
Logistics
Uncertainty
2016

Cost-effectiveness of a nurse-led ORIF ankle care programme

Martin, M. C., Akartunali, K. & Anderson, G. H., 11 Oct 2016, p. 1. 3 p.

Research output: Contribution to conferenceProceeding

Open Access
File
Ankle
Cost-Benefit Analysis
Nurses
Costs and Cost Analysis
Ankle Fractures
12 Citations (Scopus)

Local cuts and two-period convex hull closures for big-bucket lot-sizing problems

Akartunali, K., Fragkos, I., Miller, A. J. & Wu, T., 31 Oct 2016, In : INFORMS Journal on Computing. 28, 4, p. 766-780 15 p.

Research output: Contribution to journalArticle

Open Access
File
Convex hull
Lot sizing
Closure
Column generation
Valid inequalities
2015

A computational study of two-period relaxations for lot-sizing problems with big-bucket capacities

Fragkos, I., Akartunali, K. & Doostmohammadi, M., 24 Aug 2015, p. 111-115. 5 p.

Research output: Contribution to conferencePaper

Lot sizing
Setup times
Capacitated lot-sizing
Lower bounds
Margin

A hybrid constraint integer programming approach to solve nurse scheduling problems

Rahimian, E., Akartunali, K. & Levine, J., 25 Aug 2015, Mista 2015 Proceedings of the 7th Multidisciplinary International Scheduling Conference: Theory and Applications . Hanzálek, Z., Kendall, G., McCollum, B. & Šůcha, P. (eds.). Prague, Czech Republic, p. 429-442 14 p. (Proceedings of the Multidisciplinary International Conference on Scheduling: Theory and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Integer programming
Scheduling
Job satisfaction
Outsourcing
Health
23 Citations (Scopus)

A relax-and-fix with fix-and-optimize heuristic applied to multi-level lot-sizing problems

Toledo, C. F. M., Arantes, M. D. S., Hossomi, M. Y. B., França, P. M. & Akartunali, K., Oct 2015, In : Journal of Heuristics. 21, 5, p. 687-717 31 p.

Research output: Contribution to journalArticle

Open Access
File
Lot Sizing
Containers
Scheduling
Optimise
Heuristics

A robust approach for vessel crew scheduling problem

Sucu, S., Akartunali, K., Van der Meer, R. & Leggate, A., 12 Jul 2015, p. 8-8. 1 p.

Research output: Contribution to conferenceAbstract

Costs
Uncertainty
Airlines
Assignment
Maritime industry

A theoretical study of two-period relaxations for lot-sizing problems with big-bucket capacities

Akartunali, K., Doostmohammadi, M. & Fragkos, I., 24 Aug 2015, p. 105-109. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Valid inequalities
Lot sizing
Setup times
Integer
5 Citations (Scopus)
Open Access
File
Mixed Integer Programming
Integer programming
Programming Model
Control Points
Voxel
13 Citations (Scopus)

Exploring the impact of innovative developments to the installation process for an offshore wind farm

Barlow, E., Tezcaner Öztürk, D., Revie, M., Boulougouris, E., Day, A. H. & Akartunali, K., 15 Nov 2015, In : Ocean Engineering. 109, p. 623-634 12 p.

Research output: Contribution to journalArticle

Open Access
File
Offshore wind farms
Costs
Logistics

Modelling uncertainty in vessel crew scheduling

Sucu, S., Leggate, A., Akartunali, K. & Meer, R. V. D., 2015, p. 805-808. 4 p.

Research output: Contribution to conferencePaper

Uncertainty modeling
Costs
Schedule
Expenses
Airlines

Models for a vessel crew scheduling problem

Leggate, A., van der Meer, R., Akartunali, K. & Sucu, S., 2015, p. 219. 1 p.

Research output: Contribution to conferenceAbstract

Open Access
File
Industry
Optimization techniques
Modeling
Mathematical model
Expenditure

Valid inequalities for economic lot-sizing problems with remanufacturing: separate setups case

Syed Ali, S. A., Doostmohammadi, M., Akartunali, K. & van Der Meer, R., 2015, p. 172. 1 p.

Research output: Contribution to conferenceAbstract

Economics
Remanufacturing
Valid inequalities
Integer
Lot sizing
2014

A computational study of the local cuts from two-period convex hull closures for big-bucket lot-sizing problems

Fragkos, I. & Akartunali, K., Aug 2014, p. 41-45. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Lot Sizing
Convex Hull
Linear programming
Closure
Experiments

An assessment of vessel characteristics for the installation of offshore wind farms

Barlow, E., Tezcaner Ozturk, D., Day, S., Boulougouris, E., Revie, M. & Akartunali, K., 7 Jul 2014. 7 p.

Research output: Contribution to conferenceProceeding

Open Access
File
Offshore wind farms
1 Citation (Scopus)
Open Access
File
Offshore wind farms
Logistics
Costs
Farm
Industry
Valid inequalities
Lot sizing
Integer
2013
1 Citation (Scopus)

Airline planning benchmark problems-Part I: characterising networks and demand using limited data

Akartunali, K., Boland, N., Evans, I., Wallace, M. & Waterer, H., Mar 2013, In : Computers & Operations Research. 40, 3, p. 775-792 17 p.

Research output: Contribution to journalArticle

File
Planning
Benchmark
Schedule
Topology
Network Topology
4 Citations (Scopus)

Airline planning benchmark problems—Part II: passenger groups, utility and demand allocation

Akartunali, K., Boland, N., Evans, I., Wallace, M. & Waterer, H., Mar 2013, In : Computers & Operations Research. 40, 3, p. 793-804 12 p.

Research output: Contribution to journalArticle

File
Planning
Benchmark
Optimization
Schedule
Time Windows
2012
14 Citations (Scopus)

A computational analysis of lower bounds for big bucket production planning problems

Akartunali, K. & Miller, A. J., Dec 2012, In : Computational Optimization and Applications. 53, 3, p. 729-753 25 p.

Research output: Contribution to journalArticle

Open Access
File
Production Planning
Computational Analysis
Lower bound
Planning
Test Set

A model for the vessel crew scheduling problem

Leggate, A., Illes, T., Van Der Meer, R. & Akartunali, K., 8 Jul 2012.

Research output: Contribution to conferencePaper

10 Citations (Scopus)
File
Backlogging
Production Planning
Mixed Integer Programming
Integer programming
Decomposition
13 Citations (Scopus)

On the equivalence of strong formulations for capacitated multi-level lot sizing problems with setup times

Wu, T., Shi, L., Geunes, J. & Akartunali, K., Aug 2012, In : Journal of Global Optimization. 53, 4, p. 615-639 25 p.

Research output: Contribution to journalArticle

Open Access
File
Lot Sizing
Setup Times
Equivalence
Decomposition
Formulation
2011
56 Citations (Scopus)

An optimization framework for solving capacitated multi-level lot-sizing problems with backlogging

Wu, T., Shi, L., Geunes, J. & Akartunali, K., 16 Oct 2011, In : European Journal of Operational Research. 214, 2, p. 428-441 14 p.

Research output: Contribution to journalArticle

Open Access
File
Backlogging
Lot Sizing
Lower bound
Linear Programming Relaxation
Optimization
2009
70 Citations (Scopus)

A heuristic approach for big bucket multi-level production planning problems

Akartunali, K. & Miller, A., 1 Mar 2009, In : European Journal of Operational Research. 193, 2, p. 396-411 16 p.

Research output: Contribution to journalArticle

Open Access
File
Production Planning
Heuristics
Planning
Lot Sizing
Test Set