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Teow, Kiok Liang, El-Darzi, Elia, Foo, Cynthia, Jin, Xin and Sim, Joe (2012) Intelligent analysis of acute bed overflow in a tertiary hospital in Singapore. Journal of Medical Systems, 36 (3). pp. 1873-1882. ISSN 0148-5598

Gorunescu, Florin, Gorunescu, Marina, El-Darzi, Elia and Gorunescu, Smaranda (2010) A statistical framework for evaluating neural networks to predict recurrent events in breast cancer. International Journal of General Systems, 39 (5). pp. 471-488. ISSN 0308-1079

Stoean, R., Preuss, M., Stoean, C., El-Darzi, Elia and Dumitrescu, D. (2009) Support vector machine learning with an evolutionary engine. Journal of the Operational Research Society, 60 (8). pp. 1116-1122. ISSN 0160-5682

Liu, Peng, El-Darzi, Elia, Lei, Lei, Vasilakis, Christos, Chountas, Panagiotis and Huang, Wei (2008) Applying data mining algorithms to inpatient dataset with missing values. Journal of Enterprise Information Management, 21 (1). pp. 81-92. ISSN 1741-0398

Abbi, Revlin, El-Darzi, Elia, Vasilakis, Christos and Millard, Peter H. (2008) Length of stay based grouping and classification methodology for modelling patient flow. Journal of Operations and Logisitics, 2 (2). pp. 1-9.

Marshall, Adele H., Vasilakis, Christos and El-Darzi, Elia (2005) Length of stay-based patient flow models: recent developments and future directions. Health Care Management Science, 8 (3). pp. 213-220. ISSN 1386-9620

Shannon, A., Riecan, B., Langova-Orozova, D., El-Darzi, Elia, Kerre, E., Sotirova, E., Gorunescu, Florin, Petrounias, Ilias, Trelewicz, J., Atanassov, Krassimir T., Krawczak, Maciej, Chountas, Panagiotis, Melo-Pinto, P., Georgiev, Petar, Kim, T. and Tasseva, Violeta (2005) Generalized net model with intuitionistic fuzzy estimations of the process of obtaining of scientific titles and degrees. Notes on Intuitionistic Fuzzy Sets, 11. pp. 95-114. ISSN 1310-4926

Petrounias, Ilias, Tseng, Andy, Chountas, Panagiotis, El-Darzi, Elia and Kodogiannis, Vassilis (2005) Intuitionistic fuzzy generalised nets in modelling web usage patterns indentification. Notes on Intuitionistic Fuzzy Sets, 11 (4). pp. 123-129. ISSN 1310-4926

Chountas, Panagiotis, Petrounias, Ilias, El-Darzi, Elia and Kodogiannis, Vassilis (2005) Representation of factual and temporal unawareness in electronic patient records. Journal of Computational Methods in Sciences and Engineering, 5 (4). pp. 243-261. ISSN 1472-7978

Liu, Peng, El-Darzi, Elia, Vasilakis, Christos, Chountas, Panagiotis, Huang, Wei and Zhu, Jiaxian (2005) A feature selection procedure and its application in health care. Craiova Medical Journal. pp. 185-194. ISSN 1454-6876

Chountas, Panagiotis, Petrounias, Ilias, Vasilakis, Christos and El-Darzi, Elia (2004) Temporality and intuitionistic fuzzy data warehouses. Notes on Intuitionistic Fuzzy Sets, 10 (4). pp. 47-55. ISSN 1310-4926

Chountas, Panagiotis, Petrounias, Ilias, Vasilakis, Christos, El-Darzi, Elia, Tseng, Andy, Kolev, Boyan, Kodogiannis, Vassilis and Georgiev, Petar (2004) Temporality and intuitionistic fuzzy data warehouses. Notes in Intuitionistic Fuzzy Sets, 10 (4). pp. 47-55. ISSN 1310-4926

Vasilakis, Christos, El-Darzi, Elia and Chountas, Panagiotis (2003) Data cube modelling and OLAP algebra for hospital length of stay analysis. Craiova Medicala Journal: Proceedings of The 1st MEDINF International Conference on Medical Informatics & Engineering, 5 (3). pp. 509-512. ISSN 1454-6876

Chaussalet, Thierry J. and El-Darzi, Elia (2001) Editorial: Modelling the process of care. Health Care Management Science, 4 (1). p. 5. ISSN 1386-9620

Vasilakis, Christos and El-Darzi, Elia (2001) A simulation study of the winter bed crisis. Health Care Management Science, 4 (1). pp. 31-36. ISSN 1386-9620

Fei, Hongying, Meskins, Nadine and El-Darzi, Elia (2010) Evaluating alternative surgery plans with discrete-event simulation model. In: 2010 IEEE Workshop on Health Care Management (WHCM), Italy, 18-20 February 2010. IEEE, pp. 1-6. ISBN 9781424449972

Gorunescu, Florin, Belciug, Smaranda, El-Darzi, Elia and Gorunescu, Marina (2010) Patient grouping optimization using a hybrid self-organizing map and Gaussian mixture model for length of stay-based clustering system. In: 5th IEEE International Conference on Intelligent Systems (IS 2010) proceedings. IEEE, pp. 173-178. ISBN 9781424451647

Belciug, Smaranda and El-Darzi, Elia (2010) A partially connected neural network-based approach with application to breast cancer detection and recurrence. In: 5th IEEE International Conference on Intelligent Systems (IS 2010) proceedings. IEEE, pp. 191-196. ISBN 9781424451647

Garg, Lalit, McClean, Sally I., Meenan, Brian, El-Darzi, Elia and Millard, Peter H. (2009) Clustering patient length of stay using mixtures of Gaussian models and phase type distributions. In: Proceedings of the 22nd IEEE International Symposium on Computer-Based Medical Systems (CBMS 2009). IEEE, pp. 1-7. ISBN 9781424448791

El-Darzi, Elia, Abbi, Revlin, Vasilakis, Christos, Gorunescu, Florin, Gorunescu, Marina and Millard, Peter H. (2009) Length of stay-based clustering methods for patient grouping. In: Intelligent patient management. Studies in computational intelligence, 189 (189). Springer, Berlin Heidelberg, pp. 39-56. ISBN 9783642001789

Fei, Hongying, Meskins, Nadine and El-Darzi, Elia (2009) Performance analysis of ambulatory services using dicrete event simulation. In: Proceedings of the International Conference on Industrial Engineering and Systems Management (IESM' 2009), May 13-15, Montreal, Canada. WASET.

Huang, Wei and El-Darzi, Elia (2009) Using Granular Computing theories for service-oriented systems analysis and design. In: IEEE International Conference on Granular Computing (GrC 2009), Nanchang, China, August 17-19, 2009. IEEE, pp. 264-267. ISBN 9781424448302

Abbi, Revlin, El-Darzi, Elia, Vasilakis, Christos and Millard, Peter H. (2008) Analysis of stopping criteria for the EM algorithm in the context of patient grouping according to length of stay. In: Proceedings of the 4th International IEEE Conference on Intelligent Systems IS'08. Varna, Bulgaria, September, 6-8 2008. IEEE, Los Alamitos, USA, pp. 9-14. ISBN 9781424417391

Abbi, Revlin, El-Darzi, Elia, Vasilakis, Christos and Millard, Peter H. (2008) A Gaussian mixture model approach to grouping patients according to their hospital length of stay. In: Proceedings of the 21st IEEE International Symposium on Computer-Based Medical Systems (CBMS '08). IEEE, pp. 524-529. ISBN 9780769531656

Vasilakis, Christos, El-Darzi, Elia and Chountas, Panagiotis (2008) A decision support system for measuring and modelling the multi-phase nature of patient flow in hospitals. In: Intelligent techniques and tools for novel system architectures. Studies in computational intelligence (109). Springer, Berlin Heidelberg, pp. 201-217. ISBN 9783540776215

Gorunescu, Florin, Gorunescu, Marina, El-Darzi, Elia and Gorunescu, Smaranda (2008) A statistical evaluation of neural computing approaches to predict recurrent events in breast cancer. In: Proceedings of the 4th International IEEE Conference on Intelligent Systems IS'08. Varna, Bulgaria, September, 6-8 2008. IEEE, Los Alamitos, USA, pp. 38-43. ISBN 9781424417391

Huang, Wei, El-Darzi, Elia and Jin, Li (2007) Extending the gaia methodology for the design and development of agent-based software systems. In: Proceedings of the 31st Annual IEEE International Computer Software and Applications Conference (COMPSAC 2007), Peking (Beijing), China, July 23-27 2007. IEEE, Los Alamitos, USA, pp. 159-168. ISBN 0769528708

Tasseva, Violeta, Peneva, Desislava, Atanassov, Krassimir T., El-Darzi, Elia, Chountas, Panagiotis and Vasilakis, Christos (2007) Generalized Net Model for Outpatient Care in Bulgaria. In: Proc of Twentieth IEEE International Symposium on Computer-Based Medical Systems, 2007. CBMS '07. IEEE Computer Society, 701 . ISBN 0-7695-2905-4

Huang, Wei, El-Darzi, Elia, Chountas, Panagiotis and Liu, Peng (2006) Agent-based models for community care systems analysis and design. In: Proceedings of the 3rd IEEE International Conference on Intelligent Systems (IS-2006). IEEE, Los Alamitos, USA, pp. 278-283. ISBN 142440195X

Liu, Peng, Lei, Lei, Yin, Junjie, Zhang, Wei, Naijun, Wu and El-Darzi, Elia (2006) Healthcare data mining: predicting inpatient length of stay. In: Proceedings of the 3rd International IEEE Conference on Intelligent Systems. IEEE, Los Alamitos, USA, pp. 832-837. ISBN 142440195X

Vasilakis, Christos, El-Darzi, Elia and Chountas, Panagiotis (2006) An OLAP-enabled software environment for modelling patient flow. In: Proceedings of the 3rd International IEEE Conference on Intelligent Systems. IEEE, Los Alamitos, USA, pp. 261-266. ISBN 142440195X

Liu, Peng, El-Darzi, Elia, Lei, Lei, Vasilakis, Christos, Chountas, Panagiotis and Huang, Wei (2005) An analysis of missing data treatment methods and their application to health care dataset. In: Advanced Data Mining and Applications: First International Conference, ADMA 2005, Wuhan, China, July 22-24, 2005: proceedings. Lecture notes in computer science. Lecture notes in artificial intelligence (3584). Springer, Berlin, Germany, pp. 583-590. ISBN 354027894X

Revett, Kenneth, Gorunescu, Florin, Gorunescu, Marina, El-Darzi, Elia and Ene, Marius (2005) A breast cancer diagnosis system: a combined approach using rough sets and probabilistic neural networks. In: EUROCON 2005: the International Conference on "Computer as a Tool": Belgrade, Serbia and Montenegro, November 21-24 2005. IEEE Computer Society, London, UK, pp. 1124-1127. ISBN 142440049X

Gorunescu, Florin, Gorunescu, Marina, El-Darzi, Elia and Gorunescu, Smaranda (2005) An evolutionary computational approach to probabilistic neural network with application to hepatic cancer diagnosis. In: 18th IEEE Symposium on Computer-Based Medical Systems, 2005: proceedings. IEEE Computer Society, USA, pp. 461-466. ISBN 0769523552

Gorunescu, Marina, Gorunescu, Florin, Ene, Marius and El-Darzi, Elia (2005) A heuristic approach in hepatic cancer diagnosis using a probabilistic neural network-based model. In: Applied Stochastic Models and Data Analysis. ENST Bretagne, Brest, France, pp. 1016-1025. ISBN 2908849151

Gorunescu, Florin, Gorunescu, Marina, El-Darzi, Elia, Gorunescu, Smaranda, Revett, Kenneth and Khan, Aurangzeb (2005) A hybrid approach to cancer classification: rough sets and probabilistic neural networks. In: The First East European Conference on Health Care Modelling and Computation (HCMC 2005). Craiova, Romania, August 31st - September 2nd, 2005. Universitatea din Craiova, Craiova, Romania, pp. 149-159. ISBN 973775767X

Huang, Wei, El-Darzi, Elia and Beer, Martin D. (2004) Developing an agent oriented emergency service system with AUML and gaia methodology. In: Proceedings of the International Conference on Computer, Communication and Control Technologies (CCCT '04), University of Texas, U.S.A, August 14-17, 2004. IEEE Computer Society, USA, pp. 244-252. ISBN 9806560175

Chountas, Panagiotis, Petrounias, Ilias, Vasilakis, Christos, Tseng, Andy, El-Darzi, Elia, Atanassov, Krassimir T. and Kodogiannis, Vassilis (2004) On uncertainty and data-warehouse design. In: Advances in Information Systems: Third International Conference, ADVIS 2004, Izmir, Turkey, October 20-22, 2004: proceedings. Lecture notes in computer science (3261). Springer, Berlin, Germany, pp. 4-13. ISBN 3540234780

Vasilakis, Christos, El-Darzi, Elia and Chountas, Panagiotis (2004) A data warehouse environment for storing and analyzing simulation output data. In: Proceedings of the 2004 Winter Simulation Conference. IEEE Computer Society, USA, pp. 703-710. ISBN 0780387864

Chountas, Panagiotis, Vasilakis, Christos, El-Darzi, Elia, Petrounias, Ilias and Tseng, Andy (2003) Data warehouses-TOLAP-decision making. In: IEEE International Conference on Systems, Man and Cybernetics, 2003. IEEE Computer Society, USA, pp. 3876-3880. ISBN 0780379527

Sivagurunathan, Kamalini, Chountas, Panagiotis and El-Darzi, Elia (2003) Representation and modelling of electronic patient records. In: Proceedings of the International Conference of Computational Methods in Sciences and Engineering 2003 (ICCMSE 2003): Kastoria, Greece, September 12-16. World Scientific Publishing, New Jersey, USA, pp. 598-603. ISBN 9812385959

Chountas, Panagiotis, Petrounias, Ilias, Atanassov, Krassimir T., Kodogiannis, Vassilis and El-Darzi, Elia (2002) Representation and querying of temporal conflict. In: Flexible query answering systems: 5th International Conference, FQAS 2002, Copenhagen, Denmark, October 2002. Lecture notes in computer science (2522). Springer-Verlag, London, UK, pp. 112-123. ISBN 3540000747

Chountas, Panagiotis, Petrounias, Ilias, Atanassov, Krassimir T., Kodogiannis, Vassilis and El-Darzi, Elia (2002) Representation of temporal unawareness. In: Advances in Information Systems: Second International Conference, ADVIS 2002, Izmir, Turkey, October 23-25. Lecture notes in computer science (2457). Springer, London, UK, pp. 21-30. ISBN 3540000097

McClean, Sally I., Millard, Peter H., El-Darzi, Elia and Nugent, Chris, eds. (2009) Intelligent patient management. Studies in computational intelligence, 189 . Springer, Berlin Heidelberg. ISBN 9783642001789

El-Darzi, Elia, Gorunescu, Florin and Gorunescu, Marina, eds. (2005) Proceedings of the First East European Conference on Health Modelling Computation: HCMC 2005, Craiova, Romania, August 31st - September 2nd 2005. University of Craiova, Craiova, Romania. ISBN 973775767X