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Re-scheduling nursing shifts: Scoping the challenge and examining the potential of mathematical model based tools (2015)
Journal Article
Clark, A., Moule, P., Topping, A., & Serpell, M. (2015). Re-scheduling 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

Aims: To review research in the literature on nursing shift scheduling/rescheduling, and report key issues identified in a listening exercise with managers in four English NHS trusts to inform the development of mathematical tools for resched... Read More about Re-scheduling nursing shifts: Scoping the challenge and examining the potential of mathematical model based tools.

A priori reformulations for joint rolling-horizon scheduling of materials processing and lot-sizing problem (2013)
Journal Article
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.

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 network transshipment model for planning humanitarian relief operations after a natural disaster (2013)
Book Chapter
Clark, A., & Culkin, B. (2013). A network transshipment model for planning humanitarian relief operations after a natural disaster. In B. Vitoriano, J. Montero, & D. Ruan (Eds.), Decision Aid Models for Disaster Management and Emergencies, 233-257. Atlantis Press

Every year, natural disasters and humanitarian crises affect approximately 200 million people, requiring the quick movement of goods and people to ease the human suffering and to return the population to some sense of normality. With contributions to... Read More about A network transshipment model for planning humanitarian relief operations after a natural disaster.

Single-stage formulations for synchronised two-stage lot sizing and scheduling in soft drink production (2012)
Journal Article
Clark, A. R., Ferreira, D., 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.

A genetic approach to statistical disclosure control (2012)
Journal Article
Serpell, M. C., Clark, A. R., Smith, J. E., 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., 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. R., Clark, A., Morabito, R., & Toso, E. A. V. (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
Clark, A. R., Toso, E. A., 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.

Combinação de abordagens GLSP e ATSP para o problema de dimensionamento e sequenciamento de lotes de produção de suplementos para nutrição animal (2008)
Journal Article
Toso, E. A. V., Morabito, R., & Clark, A. (2008). Combinação de abordagens GLSP e ATSP para o problema de dimensionamento e sequenciamento de lotes de produção de suplementos para nutrição animal. Pesquisa Operacional, 28(3), 423-450

In this paper we study the combination of GLSP (General Lot Sizing and Scheduling Problem) and ATSP (Asymmetric Travelling Salesman Problem) approaches with sub-tour elimination and patching to a lot sizing and sequencing problem in the animal nutrit... Read More about Combinação de abordagens GLSP e ATSP para o problema de dimensionamento e sequenciamento de lotes de produção de suplementos para nutrição animal.

Lot sizing and furnace scheduling in small foundries (2008)
Journal Article
Clark, A. R., Arenales, M. N., de Araujo, S. A., Araujo, S. A. D., Arenales, M. N., & Clark, A. (2008). Lot sizing and furnace scheduling in small foundries. Computers and Operations Research, 35(3), 916-932. https://doi.org/10.1016/j.cor.2006.05.010

A lot sizing and scheduling problem prevalent in small market-driven foundries is studied. There are two related decision levels: (1) the furnace scheduling of metal alloy production, and (2) moulding machine planning which specifies the type and siz... Read More about Lot sizing and furnace scheduling in small foundries.