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All Outputs (27)

An effective two-stage stochastic multi-trip location-transportation model with social concerns in relief supply chains (2018)
Journal Article
Moreno, A., Alem, D., Ferreira, D., & Clark, A. (2018). An effective two-stage stochastic multi-trip location-transportation model with social concerns in relief supply chains. European Journal of Operational Research, 269(3), 1050-1071. https://doi.org/10.1016/j.ejor.2018.02.022

© 2018 Elsevier B.V. The distribution of emergency aid from warehouses to relief centers to satisfy the needs of the victims in the aftermath of a disaster is a complex problem because it requires a rapid response to human suffering when resources ar... Read More about An effective two-stage stochastic multi-trip location-transportation model with social concerns in relief supply chains.

A novel flexible model for lot sizing and scheduling with non-triangular, period overlapping and carryover setups in different machine configurations (2017)
Journal Article
Mahdieh, M., Clark, A., & Bijari, M. (2018). A novel flexible model for lot sizing and scheduling with non-triangular, period overlapping and carryover setups in different machine configurations. Flexible Services and Manufacturing Journal, 30(4), 884-923. https://doi.org/10.1007/s10696-017-9279-5

© 2017, Springer Science+Business Media New York. This paper develops and tests an efficient mixed integer programming model for capacitated lot sizing and scheduling with non-triangular and sequence-dependent setup times and costs incorporating all... Read More about A novel flexible model for lot sizing and scheduling with non-triangular, period overlapping and carryover setups in different machine configurations.

Stochastic network models for logistics planning in disaster relief (2016)
Journal Article
Alem, D., Clark, A., & Moreno, A. (2016). Stochastic network models for logistics planning in disaster relief. European Journal of Operational Research, 255(1), 187-206. https://doi.org/10.1016/j.ejor.2016.04.041

© 2016 Elsevier B.V. All rights reserved. Emergency logistics in disasters is fraught with planning and operational challenges, such as uncertainty about the exact nature and magnitude of the disaster, a lack of reliable information about the locatio... Read More about Stochastic network models for logistics planning in disaster relief.

Industrial insights into lot sizing and schedulingmodeling (2015)
Journal Article
Almada-Lobo, B., Clark, A., Guimarães, L., Figueira, G., & Amorim, P. (2015). Industrial insights into lot sizing and schedulingmodeling. Pesquisa Operacional, 35(3), 439-464. https://doi.org/10.1590/0101-7438.2015.035.03.0439

© 2015 Brazilian Operations Research Society. Lot sizing and scheduling by mixed integer programming has been a hot research topic inthe last 20 years. Researchers have been trying to develop stronger formulations, as well as to incorporatereal-world... Read More about Industrial insights into lot sizing and schedulingmodeling.

Production lot sizing and scheduling with non-triangular sequence-dependent setup times (2014)
Journal Article
Clark, A., Mahdieh, M., & Rangel, S. (2014). Production lot sizing and scheduling with non-triangular sequence-dependent setup times. International Journal of Production Research, 52(8), 2490-2503. https://doi.org/10.1080/00207543.2014.885662

This paper considers a production lot sizing and scheduling problem with sequence-dependent setup times that are not triangular. Consider, for example, a product that contaminates some other product unless either a decontamination occurs as part of a... Read More about Production lot sizing and scheduling with non-triangular sequence-dependent setup times.

Rescheduling nursing shifts: Scoping the challenge and examining the potential of mathematical model based tools (2013)
Journal Article
Clark, A., Moule, P., Topping, A., & Serpell, M. (2015). Rescheduling nursing shifts: Scoping the challenge and examining the potential of mathematical model based tools. Journal of Nursing Management, 23(4), 411-420. https://doi.org/10.1111/jonm.12158

© 2013 John Wiley & Sons Ltd. Aim: To review research in the literature on nursing shift scheduling/rescheduling, and to report key issues identified in a consultation exercise with managers in four English National Health Service trusts to inform... Read More about Rescheduling nursing shifts: Scoping the challenge and examining the potential of mathematical model based tools.

A preprocessing optimization applied to the cell suppression problem in statistical disclosure control (2013)
Journal Article
Staggemeier, A., Serpell, M., Smith, J., Clark, A., & Staggemeier, A. T. (2013). A preprocessing optimization applied to the cell suppression problem in statistical disclosure control. Information Sciences, 238, 22-32. https://doi.org/10.1016/j.ins.2013.02.006

As organizations start to publish the data that they collect, either internally or externally, in the form of statistical tables they need to consider the protection of the confidential information held in those tables. The algorithms used to protect... Read More about A preprocessing optimization applied to the cell suppression problem in statistical disclosure control.

A priori reformulations for joint rolling-horizon scheduling of materials processing and lot-sizing problem (2013)
Journal Article
Araujo, S. A., Araujo, S. A., & Clark, A. (2013). A priori reformulations for joint rolling-horizon scheduling of materials processing and lot-sizing problem. Computers and Industrial Engineering, 65(4), 577-585. https://doi.org/10.1016/j.cie.2013.04.003

In many production processes, a key material is prepared and then transformed into different final products. The lot sizing decisions concern not only the production of final products, but also that of material preparation in order to take account of... Read More about A priori reformulations for joint rolling-horizon scheduling of materials processing and lot-sizing problem.

Single-stage formulations for synchronised two-stage lot sizing and scheduling in soft drink production (2012)
Journal Article
Ferriera, D., Clark, A., Almada-Lobo, B., & Morabito, R. (2012). Single-stage formulations for synchronised two-stage lot sizing and scheduling in soft drink production. International Journal of Production Economics, 136(2), 255-265. https://doi.org/10.1016/j.ijpe.2011.11.028

This study deals with industrial processes that produce soft drink bottles in different flavours and sizes, carried out in two synchronised production stages: liquid preparation and bottling. Four single-stage formulations are proposed to solve the s... Read More about Single-stage formulations for synchronised two-stage lot sizing and scheduling in soft drink production.

Adherence therapy for medication non-compliant patients with hypertension: A randomised controlled trial (2012)
Journal Article
Alhalaiqa, F., Deane, K. H. O., Nawafleh, A. H., Clark, A., & Gray, R. (2012). Adherence therapy for medication non-compliant patients with hypertension: A randomised controlled trial. Journal of Human Hypertension, 26(2), 117-126. https://doi.org/10.1038/jhh.2010.133

The objective of this study is to establish the efficacy of adherence therapy (AT) compared with treatment as usual (TAU) in reducing blood pressure (BP) in non-compliant hypertensive patients. This study was designed as a parallel-group single-blind... Read More about Adherence therapy for medication non-compliant patients with hypertension: A randomised controlled trial.

A genetic approach to statistical disclosure control (2012)
Journal Article
Smith, J., Clark, A., Staggemeier, A. T., & Serpell, M. (2012). A genetic approach to statistical disclosure control. IEEE Transactions on Evolutionary Computation, 16(3), 431-441. https://doi.org/10.1109/TEVC.2011.2159271

Statistical disclosure control is the collective name for a range of tools used by data providers such as government departments to protect the confidentiality of individuals or organizations. When the published tables contain magnitude data such as... Read More about A genetic approach to statistical disclosure control.

Lot sizing and scheduling: Industrial extensions and research opportunities (2011)
Journal Article
Clark, A., Almada-Lobo, B., & Almeder, C. (2011). Lot sizing and scheduling: Industrial extensions and research opportunities. International Journal of Production Research, 49(9), 2457-2461. https://doi.org/10.1080/00207543.2010.532908

The editorial section of International Journal of Production Research provides information about industrial extensions and research opportunities in the fields of lot sizing and scheduling in industries. Some of the papers published in the journal re... Read More about Lot sizing and scheduling: Industrial extensions and research opportunities.

Capacitated lot-sizing and scheduling with sequence-dependent, period-overlapping and non-triangular setups (2011)
Journal Article
Menezes, A. A., Clark, A., & Almada-Lobo, B. (2011). Capacitated lot-sizing and scheduling with sequence-dependent, period-overlapping and non-triangular setups. Journal of Scheduling, 14(2), 209-219. https://doi.org/10.1007/s10951-010-0197-6

In production planning, sequence dependent setup times and costs are often incurred for switchovers from one product to another. When setup times and costs do not respect the triangular inequality, a situation may occur where the optimal solution inc... Read More about Capacitated lot-sizing and scheduling with sequence-dependent, period-overlapping and non-triangular setups.

Nurse rescheduling with shift preferences and minimal disruption (2011)
Journal Article
Clark, A., & Walker, H. (2011). Nurse rescheduling with shift preferences and minimal disruption

Hospital wards must be staffed 24 hours a day by a limited number of nurses. With a well documented shortage of nurses in many countries, effective scheduling of nurse shifts is crucial. Recent research on nurse scheduling has focused on creating... Read More about Nurse rescheduling with shift preferences and minimal disruption.

Mathematical programming modelling tools for resource-poor countries and organisations (2010)
Journal Article
Clark, A. (2010). Mathematical programming modelling tools for resource-poor countries and organisations. Or Insight, 23(1), 57-70. https://doi.org/10.1057/ori.2009.9

In recent years, powerful mathematical modelling languages have enabled Operational Research practitioners to rapidly develop prototype tools capable of modelling complex managerial decisions such as staff shift scheduling, or production and supply c... Read More about Mathematical programming modelling tools for resource-poor countries and organisations.

Production setup-sequencing and lot-sizing at an animal nutrition plant through ATSP subtour elimination and patching (2010)
Journal Article
Toso, E. A., Clark, A., & Morabito, R. (2010). Production setup-sequencing and lot-sizing at an animal nutrition plant through ATSP subtour elimination and patching. Journal of Scheduling, 13(2), 111-121. https://doi.org/10.1007/s10951-009-0135-7

This paper considers the usefulness of a production lot sizing and scheduling model at an animal nutrition plant with sequence-dependent setup times. The model covers multiple periods and is based on the asymmetric travelling salesman problem (ATSP).... Read More about Production setup-sequencing and lot-sizing at an animal nutrition plant through ATSP subtour elimination and patching.

Lot sizing and sequencing optimisation at an animal-feed plant (2009)
Journal Article
Toso, E. A. V., Morabito, R., & Clark, A. (2009). Lot sizing and sequencing optimisation at an animal-feed plant. Computers and Industrial Engineering, 57(3), 813-821. https://doi.org/10.1016/j.cie.2009.02.011

This paper studies a challenging case of joint lot sizing and scheduling in a manufacturing plant for animal feed compounds. A key characteristic of this industry is that certain products can perform a production line "cleaning" function if a suffici... Read More about Lot sizing and sequencing optimisation at an animal-feed plant.