Items where Author is "Worthington, D J"

Journal Article

Izady, N and Worthington, D J (2011) Approximate analysis of non-stationary loss queues and networks of loss queues with general service time distributions. European Journal of Operational Research, 213 (3). pp. 498-508. ISSN 0377-2217

Onggo, B S S and Pidd, M and Soopramanien, D G R and Worthington, D J (2010) Simulation of career development in the European Commission. Interfaces, 40 (3). pp. 184-195. ISSN 0092-2102

Langabeer, J and Worthington, D J (2010) Operations research diffusion in healthcare management. Journal of Health Care Finance, 36 (3). pp. 73-87. ISSN 1078-6767

Worthington, D J (2009) Reflections on queue modelling from the last 50 years. Journal of the Operational Research Society, 60 (S1). S83-S92. ISSN 1476-9360

Fletcher, A and Worthington, D J (2009) What is a 'generic' hospital model? - a comparison of 'generic' and 'specific' hospital models of emergency flow patients. Health Care Management Science, 12 (4). pp. 374-391. ISSN 1386-9620

Fletcher, A and Halsall, D and Huxham, S and Worthington, D J (2007) The DH accident and emergency department model - a national generic model used locally. Journal of the Operational Research Society, 58. pp. 1554-1562. ISSN 1476-9360

Wall, A and Worthington, D J (2007) Time-dependent analysis of virtual waiting time behaviour in discrete time queues. European Journal of Operational Research, 178 (2). pp. 482-499. ISSN 0377-2217

Minussi, J and Soopramanien, D G R and Worthington, D J (2006) Modelling and testing the assessment of risk of defaulting of companies in the context of the Basel Accord. Panorama Socioeconómico, 33. pp. 76-85. ISSN 0716-1921

Ashton, R and Hague, L and Brandreth, M and Worthington, D J and Cropper, S (2005) A simulation based study of a NHS walk-in centre. Journal of the Operational Research Society, 56 (2). pp. 153-161. ISSN 1476-9360

Hindle, A J and Worthington, D J (2004) Models to estimate average route lengths in different geographical environments. Journal of the Operational Research Society, 55 (6). pp. 662-666. ISSN 1476-9360

Haskose, A and Kingsman, B G and Worthington, D J (2004) Performance analysis of make-to-order manufacturing systems under different workload control. International Journal of Production Economics, 90 (2). pp. 169-186. ISSN 0925-5273

Chassioti, E and Worthington, D J (2004) A new model for call centre queue management. Journal of the Operational Research Society, 55 (12). pp. 1352-1357. ISSN 1476-9360

Haskose, A and Worthington, D J and Kingsman, B G (2002) Modelling flow and jobbing shops as a queuing network for workload control. International Journal of Production Economics, 78. pp. 271-285. ISSN 0925-5273

Worthington, D J and Wall, A (1999) Using the discrete time modelling approach to evaluate the time-dependent behaviour of queuing systems. Journal of the Operational Research Society, 50 (8). pp. 777-788. ISSN 1476-9360

Hindle, A and Roberts, E A M and Worthington, D J (1998) Speciality location decisions in the reformed NHS: a case study. Health Services Management Research, 11. pp. 174-181. ISSN 0951-4848

Worthington, D J and Bennett, J C (1998) An example of a good but partially successful OR engagement: improving outpatient clinic operations. Interfaces, 28 (5). pp. 56-69. ISSN 0092-2102

Contribution in Book/Report/Proceedings

Worthington, D J (2007) Operational research modelling to support healthcare operations management. In: European Working Group - Operational Research Applied to Health Services - 2007 :. Peter Lang Publishing.

Worthington, D J and Goulsbra, R and Rankin, J (2005) Scheduling appointments in outpatient clinics. In: Health Operations Management :. Routledge, London and New York, pp. 223-248. ISBN 0415323959

Worthington, D J (2002) Applications of MS/OR in health services. In: The Informed Student Guide to Management Science :. Thomson Learning, London, pp. 21-22. ISBN 1-86152-542-7

Worthington, D J (1997) Queue management: what has a DSS approach to offer to improve the running of outpatient clinics? In: Enhancing Health Services Management: The Role of Decision Support Systems :. Oxford University Press, Oxford, pp. 177-198. ISBN 0335196349

Monograph

Minussi, J and Soopramanien, D G R and Worthington, D J (2012) Comparing modelling approaches for corporate credit scoring using multi-level categories of risk. Working Paper. UNSPECIFIED. (Unpublished)

Minussi, J and Soopramanien, D G R and Worthington, D J (2012) Stability and out-of-time validation of credit risk models. Working Paper. UNSPECIFIED. (Unpublished)

Onggo, B S S and Pidd, M and Soopramanien, D G R and Worthington, D J (2009) Modelling Career Development Schemes in the European Commission. Working Paper. The Department of Management Science, Lancaster University.

Minussi, J and Soopramanien, D G R and Worthington, D J (2007) Statistical modelling to predict corporate default for Brazilian companies in the context of Basel II using a new set of financial ratios. Working Paper. The Department of Management Science, Lancaster University.

Fletcher, A and Worthington, D J (2007) What is a ''generic'' hospital model? Working Paper. The Department of Management Science, Lancaster University.

Fletcher, A and Halsall, D and Huxham, S and Worthington, D J (2006) The DH accident and emergency department model - a national generic model used locally. Working Paper. The Department of Management Science, Lancaster University.

Minussi, J and Soopramanien, D G R and Worthington, D J (2006) Statistical modelling of defaulting companies for the Basel Accord: a Brazilian case study. Working Paper. The Department of Management Science, Lancaster University.

Worthington, D J (2005) Operational research modelling to support healthcare operations management. Working Paper. The Department of Management Science, Lancaster University.

Wall, A and Worthington, D J (2005) Time-dependent analysis of virtual waiting time behaviour in discrete time queues. Working Paper. The Department of Management Science, Lancaster University.

Kowalczyk, R H and Worthington, D J (2005) The effective management of intensive care: a case study integrating hard and soft methods. Working Paper. The Department of Management Science, Lancaster University.

Worthington, D J and Kowalczyk, R H and Dalziel, M and Robinson, P (1999) Variations in access, uptake and equity: radiology services. Working Paper. The Department of Management Science, Lancaster University.