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Dr David Worthington

Senior Lecturer

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  1. Published

    A modelling tool for capacity planning in acute and community stroke services

    Monks, T., Worthington, D. J., Allen, M., Pitt, M., Stein, K. & James, M. A., 29/09/2016, In: BMC Health Services Research. 16, 8 p., 530.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  2. Published

    A multi-fidelity modelling approach for airline disruption management using simulation

    Rhodes-Leader, L., Nelson, B., Onggo, S. & Worthington, D., 31/10/2022, In: Journal of the Operational Research Society. 73, 10, p. 2228-2241 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    A new model for call centre queue management

    Chassioti, E. & Worthington, D. J., 2004, In: Journal of the Operational Research Society. 55, 12, p. 1352-1357 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    A simulation based study of a NHS walk-in centre

    Ashton, R., Hague, L., Brandreth, M., Worthington, D. J. & Cropper, S., 2005, In: Journal of the Operational Research Society. 56, 2, p. 153-161 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. E-pub ahead of print

    A Spline Function Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 19/06/2023, (E-pub ahead of print) In: Journal of Simulation. 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    A Spline-based Method for Modelling and Generating a Nonhomogeneous Poisson Process

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 20/02/2020, Proceedings of the 2019 Winter Simulation Conference. IEEE Press, 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  7. Published

    Airline Disruption Recovery Using Symbiotic Simulation and Multi-fidelity Modelling

    Rhodes-Leader, L., Onggo, B. S. S., Worthington, D. J. & Nelson, B. L., 19/03/2018, Proceedings of the 9th Operational Research Society Simulation Workshop (SW18). Operational Research Society, p. 146-155 10 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  8. Published

    An example of a good but partially successful OR engagement: improving outpatient clinic operations

    Worthington, D. J. & Bennett, J. C., 1998, In: Interfaces. 28, 5, p. 56-69 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    Applications of MS/OR in health services

    Worthington, D. J., 2002, The Informed Student Guide to Management Science. London: Thomson Learning, p. 21-22 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  10. Published

    Approximate analysis of non-stationary loss queues and networks of loss queues with general service time distributions

    Izady, N. & Worthington, D. J., 09/2011, In: European Journal of Operational Research. 213, 3, p. 498-508 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Behavioural Modelling of Career Progression in the European Commission

    Onggo, S., Soopramanien, D., Pidd, M. & Worthington, D., 2012, In: European Journal of Operational Research. 222, 3, p. 632–641 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Capacity Planning

    Worthington, D. & Utley, M., 2012, Handbook of Healthcare System Scheduling. Hall, R. W. . (ed.). New York: Springer, p. 11-30 20 p. (International Series in Operations Research & Management Science; no. 168).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter (peer-reviewed)

  13. Unpublished

    Comparing modelling approaches for corporate credit scoring using multi-level categories of risk

    Minussi, J., Soopramanien, D. G. R. & Worthington, D. J., 2012, (Unpublished).

    Research output: Working paper

  14. Published

    Cost of treatment support for multidrug-resistant tuberculosis using patient-centred approaches in Ethiopia: a model-based method

    Rosu, L., Morgan, L., Tomeny, E. M., Worthington, C., Jin, M., Nidoi, J. & Worthington, D., 7/07/2023, In: Infectious diseases of poverty. 12, 1, 65.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Detecting bias due to input modelling in computer simulation

    Morgan, L., Nelson, B. L., Titman, A. C. & Worthington, D. J., 3/12/2017, 2017 Winter Simulation Conference (WSC). Piscataway, NJ, USA: IEEE Press, p. 1974-1985 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  16. Published

    Detecting bias due to input modelling in computer simulation

    Morgan, L., Nelson, B., Titman, A. & Worthington, D., 16/12/2019, In: European Journal of Operational Research. 279, 3, p. 869-881 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  17. Published

    Effects of state-dependent balking on multi-server non-stationary queueing systems

    Chassioti, E., Worthington, D. J. & Glazebrook, K. D., 03/2014, In: Journal of the Operational Research Society. 65, 2, p. 278-290 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    Infinite-server queueing models of demand in healthcare: A review of applications and ideas for further work

    Worthington, D., Utley, M. & Suen, D., 1/08/2020, In: Journal of the Operational Research Society. 71, 8, p. 1145-1160 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    Input uncertainty quantification for simulation models with piecewise-constant non-stationary Poisson arrival processes

    Morgan, L., Titman, A. C., Worthington, D. J. & Nelson, B. L., 11/12/2016, WSC '16 Proceedings of the 2016 Winter Simulation Conference . Piscataway, NJ, USA: IEEE Press, p. 370-381 12 p. (WSC '16 Proceedings of the Winter Simulation Conference).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  20. Published

    Modelling and testing the assessment of risk of defaulting of companies in the context of the Basel Accord

    Minussi, J., Soopramanien, D. G. R. & Worthington, D. J., 2006, In: Panorama Socioeconómico . 33, p. 76-85 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Modelling Career Development Schemes in the European Commission

    Onggo, B. S. S., Pidd, M., Soopramanien, D. G. R. & Worthington, D. J., 2009, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  22. Published

    Modelling flow and jobbing shops as a queuing network for workload control

    Haskose, A., Worthington, D. J. & Kingsman, B. G., 2002, In: International Journal of Production Economics. 78, p. 271-285 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Models to estimate average route lengths in different geographical environments

    Hindle, A. J. & Worthington, D. J., 2004, In: Journal of the Operational Research Society. 55, 6, p. 662-666 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Multi-fidelity simulation optimisation for airline disruption management

    Rhodes-Leader, L., Worthington, D. J., Nelson, B. L. & Onggo, B. S. S., 4/02/2019, 2018 Winter Simulation Conference (WSC). IEEE, p. 2179-2190 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  25. Published

    Operational research modelling to support healthcare operations management

    Worthington, D. J., 2005, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  26. Published

    Operational research modelling to support healthcare operations management

    Worthington, D. J., 2007, European Working Group - Operational Research Applied to Health Services - 2007. Peter Lang Publishing

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  27. Published

    Operations research diffusion in healthcare management

    Langabeer, J. & Worthington, D. J., 2010, In: Journal of Health Care Finance. 36, 3, p. 73-87 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  28. Published

    Performance analysis of make-to-order manufacturing systems under different workload control

    Haskose, A., Kingsman, B. G. & Worthington, D. J., 2004, In: International Journal of Production Economics. 90, 2, p. 169-186 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Queue management: what has a DSS approach to offer to improve the running of outpatient clinics?

    Worthington, D. J., 1997, Enhancing Health Services Management: The Role of Decision Support Systems. Oxford: Oxford University Press, p. 177-198 22 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  30. Published

    Reflections on queue modelling from the last 50 years

    Worthington, D. J., 05/2009, In: Journal of the Operational Research Society. 60, S1, p. S83-S92 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  31. Published

    Scheduling appointments in outpatient clinics

    Worthington, D. J., Goulsbra, R. & Rankin, J., 2005, Health Operations Management. London and New York: Routledge, p. 223-248 26 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  32. Published

    Setting Staffing Requirements for Time Dependent Queueing Networks: The Case of Accident and Emergency Departments

    Izady, N. & Worthington, D., 2012, In: European Journal of Operational Research. 219, 3, p. 531-540 10 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Simulation For Evaluating Long-term Maintenance Plans For Complex Systems

    Rhodes-Leader, L., Worthington, D., Griffiths, I. & Samartzis, P., 31/03/2023, Proceedings of the 11th Operational Research Society Simulation Workshop (SW23). Currie, C. & Rhodes-Leader, L. (eds.). Operational Research Society, p. 272-282 11 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  34. Published

    Simulation of career development in the European Commission

    Onggo, B. S. S., Pidd, M., Soopramanien, D. G. R. & Worthington, D. J., 05/2010, In: Interfaces. 40, 3, p. 184-195 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. Published

    Speciality location decisions in the reformed NHS: a case study

    Hindle, A., Roberts, E. A. M. & Worthington, D. J., 1998, In: Health Services Management Research. 11, p. 174-181 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  36. Unpublished

    Stability and out-of-time validation of credit risk models

    Minussi, J., Soopramanien, D. G. R. & Worthington, D. J., 2012, (Unpublished).

    Research output: Working paper

  37. Published

    Staffing of time-varying queues using a geometric discrete time modelling approach

    Chen, X. & Worthington, D. J., 05/2017, In: Annals of Operations Research. 252, 1, p. 63-84 22 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  38. Published

    Stakeholder dynamics in strategic ICT projects: appreciative systems perspective.

    Al-Ghaith, T., Brown, D. & Worthington, D., 10/09/2013. 6 p.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  39. Published

    Stakeholder dynamics in strategic ICT projects

    Al-Ghaith, T., Brown, D. & Worthington, D., 15/08/2013. 6 p.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  40. Published

    Stakeholder saliency dynamics in strategic ICT projects

    Al-Ghaith, T., Brown, D. & Worthington, D., 1/12/2013, 19th Americas Conference on Information Systems, AMCIS 2013 - Hyperconnected World: Anything, Anywhere, Anytime. p. 3056-3065 10 p. (19th Americas Conference on Information Systems, AMCIS 2013 - Hyperconnected World: Anything, Anywhere, Anytime; vol. 4).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  41. Published

    Stakeholders’ dynamics in ICT strategic projects in Saudi public hospitals: appreciative system concept – a ‘work in progress’ perspective

    Al-Ghaith, T., Brown, D. & Worthington, D., 14/07/2010. 8 p.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  42. Published

    Stakeholders’ dynamics influence on ICT strategic projects in Saudi public hospitals: appreciative system concept – a ‘work in progress’ perspective

    Al-Ghaith, T., Brown, D. & Worthington, D., 8/06/2011.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  43. Published

    Statistical modelling of defaulting companies for the Basel Accord: a Brazilian case study

    Minussi, J., Soopramanien, D. G. R. & Worthington, D. J., 2006, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  44. Published

    Statistical modelling to predict corporate default for Brazilian companies in the context of Basel II using a new set of financial ratios

    Minussi, J., Soopramanien, D. G. R. & Worthington, D. J., 2007, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  45. E-pub ahead of print

    Symbiotic simulation for the operational management of inpatient beds: model development and validation using Δ-method

    Oakley, D., Onggo, B. S. & Worthington, D., 3/06/2019, (E-pub ahead of print) In: Health Care Management Science. 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  46. Published

    The DH accident and emergency department model - a national generic model used locally

    Fletcher, A., Halsall, D., Huxham, S. & Worthington, D. J., 2006, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  47. Published

    The DH accident and emergency department model - a national generic model used locally

    Fletcher, A., Halsall, D., Huxham, S. & Worthington, D. J., 2007, In: Journal of the Operational Research Society. 58, p. 1554-1562 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  48. Published

    The effective management of intensive care: a case study integrating hard and soft methods

    Kowalczyk, R. H. & Worthington, D. J., 2005, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  49. Published

    Time-dependent analysis of virtual waiting time behaviour in discrete time queues

    Wall, A. & Worthington, D. J., 2005, Lancaster University: The Department of Management Science, (Management Science Working Paper Series).

    Research output: Working paper

  50. Published

    Time-dependent analysis of virtual waiting time behaviour in discrete time queues

    Wall, A. & Worthington, D. J., 2007, In: European Journal of Operational Research. 178, 2, p. 482-499 18 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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