American Journal of Intelligent Systems

American Journal of Intelligent Systems is a peer reviewed journal in the field of intelligent systems and applications. The aim is to provide a common scientific forum for all the different disciplines contributing to this area, ranging from the social, human and computer sciences to the analysis and application of information technology.

Nigel Crook

Head of Academic Department/Faculty, Oxford Brookes University, UK

Research Areas

Artificial Intelligence, Machine Learning, Language and Vision Processing, Embodied Conversational Agents.

Experience

2011-presentHead of Computing and Communication Technologies, Oxford Brookes University
2008-2011Postdoctoral Research Assistant, Oxford University Computing Laboratory
1985-2008Reader in Computing (2003-2008) Principal Lecturer in Computing (1997-2003) Senior Lecturer in Knowledge Engineering (1992-1997) Lecturer in Knowledge Engineering (1988-1992) Research/Teaching Assistant (1985-1988), Department of Computing and Electronics

Academic Achievement

Oxford Polytechnic (CNAA) PhD in Computer Science: The Theory of Explanation Applied to Medical Expert Systems, 1985-1991
Oxford Polytechnic Certificate in Curriculum Development, 1988-1989
University of Lancaster BSc (Hons) in Computing and Philosophy, Upper Second Class, 1982-1985

Publications: Journals

[1]  Crook, N.T., Smith, C., Field, D., Cavazza, M., Pulman, S., Moore, R., and Boye, J. (2010) Generating context-sensitive ECA responses to user barge-in interruptions. AAMAS Workshop paper selected for a special issue of the Journal of Multimodal Interfaces. Revised and re-sumitted August 2011.
[2]  Smith, C., Crook, N.T., Boye, J., Charlton, D., Pizzi, D., Cavazza, M. and Pulman, S. (2011.) Interacting with a "Companion" Embodied Conversational Agent: an Implementation. IVA2010 paper selected for special issue of the Presence journal. Forthcoming.
[3]  Crook, N.T. and Goh, W.J (2008) Nonlinear transient computation in cortical columns. BioSystems.
[4]  Crook, N.T. 2007. Nonlinear transient computation. Neurocomputing. 70, 7-9 (Mar. 2007), 1167-1176. DOI= http://dx.doi.org/10.1016/j.neucom.2006.10.148
[5]  Crook, N.T., Goh, W.J. and Hawarat, M. (2007) Pattern Recall in Networks of Chaotic Neurons. BioSystems, 87, 267-274.
[6]  Crook, N.T., olde Scheper, T. & Pathirana, V. (2003) Self-organised dynamic recognition states for chaotic neural networks. Information Sciences 150 (1-2), 59-75.
[7]  Crook, N.T. & olde Scheper, T. (2002) Adaptation Based on Memory Dynamics in a Chaotic Neural Network. Cybernetics and Systems 33 (4), 341-378.
[8]  Howes, P. and Crook, N.T. (1999) Using Input Parameter Influences to Support the Decisions of Feedforward Neural Networks. Neurocomputing 24, 191-206.
[9]  Crook, N.T. and J.L. Nealon (1986) Towards Convincing Explanations in Medical Expert Systems, Biomedical Measurement Informatics and Control, 1 (4).

Publications: Conferences/Workshops/Symposiums

[1]  Hakulinen, J, Turunen, M, Santos de la Camara, S. and Crook, N.T. (2010) Parallel Processing of Interruptions and Feedback in Companions Affective Dialogue System. Accepted for Interspeech2010, Makuhari, Japan. 26-30 September 2010.
[2]  Cavazza, M., Santos de la Cámara, R., Turunen, M., Gil, J., Hakulinen, J., Crook, N.T. and Field, D. (2010) 'How was your day?' An Affective Companion ECA Prototype. In: Proceedings of the 11th Annual SIGdial Meeting on Discourse and Dialogue. Tokyo, Japan. 24th-25th September 2010.
[3]  Smith, C., Crook, N.T., Boye, J., Charlton, D., Pizzi, D., Cavazza, M. and Pulman, S. (2010) Interacting with a "Companion" Embodied Conversational Agent: an Implementation. Accepted for the 10th International Conference on Intelligent Virtual Agents (IVA2010), Philadelphia, Pennsylvania, United States. 20th to 22nd September 2010.
[4]  Cavazza, M., Smith, C., Charlton, D., Crook, N.T., Boye, J., Pulman, S., Moilanen, K., Pizzi, D., Santos de la Camara, R. and Turunen, M. (2010) Persuasive Dialogue based on a Narrative Theory: an ECA Implementation. In: Proceedings of the Fifth International Conference on Persuasive Technology (Persuasive 2010). Copenhagen, Denmark. 7th to 10th June 2010.
[5]  Crook, N., Smith, C., Cavazza, M., Pulman, S., Moore, R. and Boye, J. (2010) Handling User Interruptions in an Embodied Conversational Agent. In: Proceedings of the AAMAS International Workshop on Interacting with ECAs as Virtual Characters, Toronto, Canada 10th May 2010, 27-33.
[6]  Crook, N.T., Granell, R. and Pulman, S. (2009) Unsupervised Classification of Dialogue Acts using a Dirichlet Process Mixture Model. In: Proceedings of SIGDIAL 2009: the 10th Annual Meeting of the Special Interest Group in Discourse and Dialogue, pages 341–348, Queen Mary University of London, September 2009.
[7]  Goh, W.J and Crook, N.T. (2007) Pattern Recognition using Chaotic Transients. In: Proceedings of 15th European Symposium on Artificial Neural Networks (ESANN'2006), Bruges, Belgium, April 25-27th, 2007. pp 7-12.
[8]  Crook, N.T. and Goh, W.J. (2007) Human Motion Recognition using Nonlinear Transient Computation. In: Proceedings of 15th European Symposium on Artificial Neural Networks (ESANN'2007), Bruges, Belgium, April 25-27th, 2007. pp 543-548.
[9]  Crook, N.T. and Goh, W.J (2007) Nonlinear transient computation in cortical columns. In: Proceedings of 7th International Workshop on Information Processing in Cells and Tissues (IPCAT2007), Oxford, UK, 29th-31st August 2007. ISBN 978-80-87139-68-4. pp261-267.
[10]  Crook, N.T. (2006) Nonlinear Transient Computation and variable noise tolerance. In: Proceedings of 14th European Symposium on Artificial Neural Networks (ESANN'2006), Bruges, Belgium, April 26-28th, 2006.
[11]  Crook, N.T. and olde Scheper, T. (2006) Nonlinear dynamics in neural computation. In: Proceedings of 14th European Symposium on Artificial Neural Networks (ESANN'2006), Bruges, Belgium, April 26-28th, 2006.
[12]  Crook, N.T., Goh, W.J. and Hawarat, M. (2005) The Nonlinear Dynamic State neuron. In: Proceedings of 13th European Symposium on Artificial Neural Networks (ESANN'2005), Bruges, Belgium, April 27-29th, 2005.
[13]  Crook, N.T., Goh, W.J. and Hawarat (2005), M. Pattern Recall in Networks of Chaotic Neurons. In: Proceedings of Sixth International Workshop on Information Processing in Cells and Tissues (IPCAT2005), York, UK, August 30-September 1, 2005.
[14]  Hawarat, M.O., Crook, N.T. and olde Scheper, T. (2004) Adaptation in Chaotic Spiking Neural Networks. In: Proceedings of Recent Advances in Soft Computing (RASC2004), Nottingham, 16-18 December 2004.
[15]  Crook, N.T. (2004) A Chaotic Basis for Neural Coding. In: Proceedings of the 12th European Symposium on Artificial Neural Networks (ESANN'2004), Bruges, Belgium, 28th-30th April 2004, 151-156.
[16]  Crook, N.T. & olde Scheper, T (2002) An Adaptive Chaotic Neural Network. In: Proceedings of the International Joint Conference on Neural Networks (IJCNN'2002), 2002 IEEE World Congress on Computational Intelligence, Honolulu, Hawaii, 12th-17th May 2002.
[17]  Crook, N.T. & olde Scheper, T (2002) Learning in a Chaotic Neural Network. In: Proceedings of the Tenth European Symposium on Artificial Neural Networks (ESANN'2002), Bruges, Belgium, 24th-26th April 2002, 401-406.
[18]  olde Scheper, T & Crook, N.T. (2002) Delay Control Aspects of the Chaotic Rossler System. In: Proceedings of the Third International NAISO Symposium on the Engineering of Intelligent Systems (EIS'2002) Malaga, Spain, 24th-27th September 2002.
[19]  Crook, N.T. & olde Scheper, T (2002) Adaptive Memory Dynamics in a Chaotic Neural Network. In: Proceedings of the Third International NAISO Symposium on the Engineering of Intelligent Systems (EIS'2002) Malaga, Spain, 24th-27th September 2002.
[20]  Crook, N.T. & olde Scheper, T. (2001) Dynamic Pattern Recognition Using a Chaotic Neural Network. In: Proceedings of the Fourth International ISCS Symposium on Soft Computing and Intelligent Systems for Industry, Paisley, Scotland, 26th-29th June 2001, 90.
[21]  Crook, N.T. & olde Scheper, T. (2001) A Novel Chaotic Neural Network Architecture. In: Proceedings of the Ninth European Symposium on Artificial Neural Networks (ESANN'2001), Bruges, Belgium, 25th-27th April 2001, 295-300.
[22]  olde Scheper, T. & Crook, N.T. (2000) Chaos and Information in Artificial Neural Networks. In: Proceedings of the World Conference of Nonlinear Analysis, Catania, Italy, 18th-27th July 2000.
[23]  olde Scheper, T. & Crook, N.T. (1998) Chaos as a Desirable Stable State of Artificial Neural Networks. In: Proceedings of the ICSC/IFAC Symposium on Neural Computation (NC'98), Vienna 1998.
[24]  Crook, N.T, and Dobbyn, C. (1998) Identifying State Trajectories in Dynamic System. In: Proceedings of the Engineering of Intelligent Systems (EIS98) conference (February 1998 Tenerife), 164-170
[25]  Howes, P. and Crook, N.T. (1997) Efficient Rule Extraction from Real-Valued Feedforward Neural Networks. In: Proceedings of the Ninth Ireland Conference on Artificial Intelligence (AI-97), University of Ulster, Northern Ireland.
[26]  Dobbyn, C. and Crook, N.T. (1996) Uncertain Standards: The NHS Standards Selection System. In: Proceedings of the BCS Annual Conference: Expert Systems 96 (November 1996 Cambridge).
[27]  Howes, P. and Crook, N.T. (1996) Rule Extraction from Neural Networks. In: Proceedings of the AISB'96 Workshop "Rule Extraction from Trained Neural Networks", University of Sussex, April 1996.
[28]  Crook, N.T., Dobbyn, C. and Ray, S. (1996) Habituation of the eye stalk withdrawal reflex in the land snail Helix aspersa, Presented to the 1996 Annual Conference of the Experimental Analysis of Behaviour Group, University College London, March 1996.
[29]  Crook, N.T. (1994) Explanation in a Dynamic Constraint Satisfaction Problem. In: Nealon, J.L. (ed.) BCS SGES Newsletter, Issue No. 30, Summer 1994.
[30]  Crook, N.T. and J.L. Nealon (1987) Towards Convincing Explanations in Medical Expert Systems, In: Proceedings of 2nd Workshop on Explanation Alvey KBS Explanation Special Interest Group, University of Surrey, January 1987.
[31]  Crook, N.T. (1987) Representing Variable Necessary and Sufficient Evidences for Hypotheses using Interactive and Dynamic Structure Diagrams, In: Proceedings of 3rd Workshop on Explanation Alvey KBS Explanation Special Interest Group, University of Surrey, 29th September-1st October 1987.

Publications: Books/Book Chapters

[1]  Crook, N.T. & olde Scheper, T. (2001) Dynamic Recognition States for Chaotic Neural Networks. In: John, R. & Birkenhead, R. (eds) Advances in Soft Computing: Developments in Soft Computing. Physica-Verlag, 62-72.
[2]  Crook, N.T., Dobbyn, C. and olde Scheper, T. (2000) Chaos as a Desirable Stable State of Artificial Neural Networks. In: John, R. & Birkenhead, R. (eds) Advances in Soft Computing: Soft Computing Techniques and Applications. Physica-Verlag, 52-60.