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Contact Details

Department of Computer Science
University of Bristol
Merchant Venturers Building
Woodland Road, BS8 1UB
Bristol, United Kingdon

Academic Experience

currentlyResearch Fellow, Department of Computer Science, University of Bristol, UK
Jan 07 - May 07Visiting Research Fellow, National Institute of Informatics, Japan
Jan 06 - Dec 06Visiting Scientist, Department of Computer Science, University of Cyprus
Sep 01 - Dec 05Ph.D. in Computer Science, Department of Computing, Imperial College London
Sep 00 - Aug 01Teaching Associate, Department of Computing, Imperial College London
Oct 97 - Aug 00B.Eng. in Information Systems Engineering, Department of Electrical and Electronic Engineering, Imperial College London

Taught Courses

Research Interests

  • integration of abductive and inductive inference with application to Systems Biology
  • non-monotonic induction of Action Theories with application to Requirements Engineering
  • subsymbolic integration of abductive and inductive reasoning in Artificial Neural Networks
  • formalisation and automation of Scientific Method

Selected Publications (see here for full list)

Journal Articles
  • O. Ray. Nonmonotonic Abductive Inductive Learning. Journal of Applied Logic 7(3): 329-340, 2009.
  • D. Alrajeh, O. Ray, A. Russo and S. Uchitel. Using abduction and induction for operational requirements elaboration. Journal of Applied Logic 7(3): 275-288, 2009.
  • H. Nabeshima, K. Iwanuma, and K. Inoue and O. Ray. SOLAR: An Automated Deduction System for Consequence Finding. AI Communications, to appear 2009.
  • A. d'Avila Garcez, D. Gabbay, O. Ray and J. Woods. Abductive Reasoning in Neural-Symbolic Learning Systems. TOPOI 26(1):37-49, 2007.
Conference Papers
  • O. Ray, K. Whelan, R. King. Automatic Revision of Metabolic Networks through Logical Analysis of Experimental Data Proc. 19th Int. Conf. on Inductive Logic Programming , to appear, 2009.
  • D. Corapi, O. Ray, A. Russo, A. Bandara and E. Lupu. Learning rules from user behaviour Proc. 5th Int. Conf. on Artificial Intelligence Applications and Innovations, IFIP 296:459-468, 2009.
  • Y. Yamamoto, O. Ray and K. Inoue. Towards a Logical Reconstruction of CF-Induction. Proc. Japanese Society for Artificial Intelligence 2007 Conference, LNCS 4914:330-343, 2008.
  • O. Ray and K. Inoue. A Consequence Finding Approach for Full Clausal Abduction Proc. 10th Int. Conf. on Discovery Science, LNAI 4755:173-184, 2007.
  • O. Ray and K. Inoue. Mode-Directed Inverse Entailment for Full Clausal Theories. Proc. 17th Int. Conf. on Inductive Logic Programming, LNAI 4894:225-238, 2007.
  • O. Ray. Automated Abduction in Scientific Discovery. Model-Based Reasoning in Science and Medicine, SICI 64:103-116, 2007.
  • O. Ray, A. Antoniades, A. Kakas and I. Demetriades. Abductive Logic Programming in the Clinical Management of HIV/AIDS. Proc. 17th Europ. Conf. on Artificial Intelligence, pp 437-441, 2006.
Workshop Contributions
  • O. Ray, A. Clare, M. Liakata, L. Soldatova, K. Whelan, R. King. Towards the Automation of Scientific Method. Proc. IJCAI'09 Workshop on Abductive and Inductive Knowledge Development: 27-33, 2009.
  • O. Ray, K. Whelan, R. King. A nonmonotonic logical approach for modelling and revising metabolic networks. Proc. 3rd Int. Conf. on Complex, Intelligent and Software Intensive Systems: 825-829, 2009.
  • O. Ray. Towards a Rational Approach for the Logical Modelling of Inhibition in Metabolic Networks. Proc. 23rd Int. Conf. on Advanced Information Networking and Applications: 918-923, 2009.
  • O. Ray and C. Bryant. Inferring the function of genes from synthetic lethal mutations. Proc. 2nd Int. Conf. on Complex, Intelligent and Software Intensive Systems, IEEE, pp 667-671, 2008.
  • O. Ray and A. Kakas. ProLogICA: a practical system for Abductive Logic Programming. Proc. 11th Int. Workshop on Non-monotonic Reasoning:304-312, 2006.
Technical Reports
  • O. Ray HAIL: Hybrid Abductive Inductive Learning Department of Computing, Imperial College London, 2003.

Professional Activities

  • PC Member: 20th International Conference Inductive Logic Programming (ILP'10)
  • Co-Chair: CISIS'10 Workshop on Intelligent Informatics in Biology and Medicine (IIBM'10)
  • Organiser: IJCAI'09 Workshop on Abductive and Inductive Knowledge Development, 2009 (AIAI'09)
  • PC Member: CISIS'09 Workshop on Intelligent Informatics in Biology and Medicine (IIBM'09)
  • PC Member: ICML'08 Planning to Learn Workshop (PlanLearn'08)
  • PC Member: 23rd AAAI Conference on Artificial Intelligence (AAAI'08)
  • PC Member: CISIS'09 Workshop on Intelligent Informatics in Biology and Medicine (IIBM'08)
  • PC Member: ECML'07 Planning to Learn Workshop (PlanLearn'07)
  • Organiser: International Workshop on the Integration of Abduction and Induction in AI and Bioinformatics, 2007 (AIAI'07)
  • Organiser: ECAI'06 Workshop on the Integration of Abduction and Induction in AI and Scientific Modelling, 2006 (AIAI'06)
  • Organiser: International Workshop on the Integration of Abduction and Induction in AI, 2005 (AIAI'05)

Software Systems

  • PROLOGICA -  (PROLOG with Integrity Constraints and Abduction) a lightweight abductive meta interpreter for Sicstus and SWI Prolog
  • XHAIL -  (eXtended Hybrid Abductive Inductive Learning) a non-monotonic abductive/inductive reasoning system (currently unavailable)
  • HIV-ANALYSER -  in-Silico Sequencing System for predicting HIV drug resistance from genotypic and clinical data using abduction

Institutional Affiliations

Department of Computer Science
University of Bristol
Merchant Venturers Building
Woodland Road, BS8 1UB
Bristol, United Kingdon
National Institute of Informatics
2-1-2 Hitotsubashi
Chiyoda-ku, 101-8430
Tokyo, Japan
Department of Computer Science
University of Cyprus
75 Kallipoleos Street
POBox 537, CY-1678
Nicosia, Cyprus
Department of Computing
Imperial College London
Huxley Building
180 Queen's Gate, SW7 2AZ
London, United Kingdon
COPYRIGHT: OLIVER RAY LAST UPDATED: 25/08/2009