Papers

Journal Papers

  1. N. Looker and M. Munro, “Dependability Assessment of Service-Oriented Architectures Using Fault Injection,” in Engineering Reliable Service Oriented Architecture: Managing Complexity and Service Level Agreements, Nikola Milanovic Ed., IGI, 2011.
  2. Townend, P, Jinpeng Huai, Jie Xu, Looker, N, Dacheng Zhang, Jianxin Li, Liang Zhong, “CROWN-C: A High-Assurance Service-Oriented Grid Middleware System,” IEEE Computer, vol.41, no.8, pp.30-38, Aug. 2008
  3. J. Xu, P. Townend, N. Looker and P. Groth, “FT-Grid: A system for achieving fault tolerance in Grids,” Concurrency and Computation: Practice & Experience, vol.20, no.3, 2007
  4. N. Looker, J. Xu, and M. Munro, “Determining the Dependability of Service-Oriented Architectures,” International Journal of Simulation and Process Modelling, pp. 88-97, vol.3, no.1/2,2007
  5. N. Looker “Dependability Assessment of Web Services,” Durham University, Department of Computer Science, PhD Thesis, 2006.
  6. N. Looker, M. Munro, J. Xu, “Simulating Errors in Web Services,” International Journal of Simulation: Systems, Science & Technology, vol. 5, 2004.

Conference Papers

  1. F Vidal, E Gendron, G Rousset, T Morris, M Brangier, A Basden, Z Hubert, R Myers, F Chemla, A Longmore, T Butterlay, N Dipper, C Dunlop, D Geng, D Gratadour, D Henry, P Laporte, N Looker, D Perret, A Sevin, G Talbot, E Younger, “Detailed analysis of the first MOAO results obtained by CANARY at the WHT,” in the Second International Conference on Adaptive Optics for Extremely Large Telescopes, Victoria, BC, Canada, Sep 25-30 2011.
  2. E. Gendron, T. Morris, F. Vidal, A. Basden, M. Brangier, Z. Hubert, R. Myers, G. Rousset, F. Chemla, A. Longmore, T. Butterley, N. Dipper, C. Dunlop, D. Geng, D. Gratadour, D. Henry, P. Laporte, N. Looker, D. Perret, A. Sevin, G. Talbot, E. Younger, “Towards MOAO on the ELT: the CANARY program,” in the Second International Conference on Adaptive Optics for Extremely Large Telescopes, Victoria, BC, Canada, Sep 25-30 2011.
  3. E Gendron, F Vidal, M Brangier, T Morris, Z Hubert, A Basden, G Rousset, R Myers, F Chemla, A Longmore, T Butterley, N Dipper, C Dunlop, D Geng, D Gratadour, D Henry, P Laporte, N Looker, D Perret, A Sevin, G Talbot, E Younger, “MOAO first on-sky demonstration with CANARY,” Astronomy & Astrophysics, Volume 529, March 2011.
  4. M. Brangier, F. Vidal, T. Morris, E. Gendron, Z. Hubert, A. Basden, G. Rousset, R. Myers, F. Chemla, A. Longmore, T. Butterly, N. Dipper, C. Dunlop, G. Fasola, D. Geng, D. Gratadour, D. Henry, J. Huet, P. Laporte, N. Looker, M. Marteaud, D. Perret, A. Sevin, H. Shepherd, G. Talbot, E. Younger, and R. W. Wilson, “CANARY MOAO demonstrator : on-sky first results,” in Adaptive Optics: Methods, Analysis and Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper AMA3.
  5. David G. Bramall, Ray M. Sharples, Juergen Schmoll, Luke M. G. Tyas, Paul Clark, Peter Luke, Nik Looker, Nigel A. Dipper, Sean Ryan, David A. H. Buckley, Janus D. Brink and Stuart I. Barnes, “The SALT HRS spectrograph: final design, instrument capabilities, and operational modes”, SPIE Astronomical Telescopes and Instrumentation, vol. 7735, pp.158, San Diego, USA, 2010.
  6. E. Gendron, T. Morris, Z. Hubert, R. Myers, A. Longmore, G. Rousset, G. Talbot, F. Vidal, N. Dipper, D. Gratadour, N. Looker, M. Brangier, E. Younger, A. Sevin, A. Basden, D. Perret, L. Young, D. Atkinson, F. Chemla, D. Henry, T. Butterley, P. Laporte, D. Guzman, M. Marteaud, D. Geng, N. Vedrenne, M. Harrison, T. Fusco, A. Guesalaga, C. Dunlop, S. Todd, K. Dee, C. Dickson, A. Greenaway, B. Stobie, H. Dalgarno, J. Skvarc, “Status update of the CANARY on-sky MOAO demonstrator”, SPIE Astronomical Telescopes and Instrumentation, vol. 7736, pp.24, San Diego, USA, 2010.
  7. Nigel A. Dipper, Nik Looker, Deli Geng, Eddy J. Younger, Richard M. Myers, Alastair G. Basden, Gerard C. Rousset, Eric Gendron and Zoltan Hubert, “The real-time control system for the CANARY multi-object adaptive optics on-sky demonstrator”,  SPIE Astronomical Telescopes and Instrumentation, vol. 7736, pp. 174, San Diego, USA, 2010.
  8. D. Webster, D. Russell, N.Looker and J. Xu, “Motivations for Change within an Enduring Architecture”, Realising Network Enabled Capability (RNEC 08), Leeds, UK, 2008.
  9. D. Webster, N.Looker, D. Russell, L. Liu and J. Xu, “An Ontology for Evaluation of Network Enabled Capability Architectures”, Realising Network Enabled Capability (RNEC 08), Leeds, UK, 2008.
  10. L. Liu, D. Russell, N. Looker, D. Webster, J. Xu, J. Davies, K. Irvin, “Evolutionary Service-Oriented Architecture for Network Enabled Capability,” International Workshop on Verification and Evaluation of Computer and Communication Systems (VECoS), Leeds, UK, July 2008. Published by the eWiC series of the British Computer Society (BCS).
  11. Looker, N.; Webster, D.; Russell, D.; Jie Xu, “Scenario Based Evaluation,” The 11th IEEE International Symposium on Object Oriented Real-Time Distributed Computing (ISORC), pp.148-154, 5-7 May 2008.
  12. D. Russell, N. Looker, L. Liu and J. Xu, “Service-Oriented Integration of Systems for Military Capability,” The 11th IEEE International Symposium on Object/component/service-oriented Real-time Distributed Computing (ISORC08), pp.33-41, 5-7 May 2008.
  13. P. Townend, N. Looker, D. Zhang, J. Xu, J. Li, L. Zhong, and J. Huai, “CROWN-C: A High-Assurance Service-Oriented Grid Middleware System,” The 3Ist EEE High Assurance Systems Engineering Symposium (HASE 2007), Dallas, USA.
  14. N. Looker and J. Xu, “Dependability Assessment of Grid Middleware,” pp 125-130, The 37th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, Edinburgh, UK, 2007.
  15. D. Russell, N. Looker & J. Xu, “SOA, Dependability and Measures and Metrics for NEC,” IET Forum on Capability Engineering – At Home and Abroad, London, 2006.
  16. N. Looker, J. Xu , T. Wo , J. Huai “Application of Fault Injection to Globus Grid Middleware,” presented at UK e-Science Programme All Hands Meeting, Nottingham, UK, 2006.
  17. N. Looker, L. Burd, S. Drummond, M. Munro “Pedagogic Data as a Basis for Web Service Fault Models,” presented at IEEE International Workshop on Service-Oriented System Engineering, Beijing, China, October 20-21, 2005.
  18. P. Townend, J. Xu, E. Yang, K. Bennett, S. Charters, N. Holliman, N. Looker and M. Munro “The e-Demand project: A Summary,” presented at UK e-Science Programme All Hands Meeting, Nottingham, UK, 2005.
  19. P. Townend, P. Groth, N. Looker, and J. Xu, “FT-Grid: A Fault-Tolerance System for e-Science,” presented at UK e-Science Programme All Hands Meeting, Nottingham, UK, 2005.
  20. N. Looker, J. Xu, M. Munro “Increasing Web Service Dependability Through Consensus Voting,” presented at the 2nd International Workshop on Quality Assurance and Testing of Web-Based Applications, COMPSAC, Edinburgh, Scotland, July 25-28, 2005.
  21. N. Looker, M. Munro & J. Xu, “A comparison of network level fault injection with code insertion,” Computer Software and Applications Conference, 2005. COMPSAC 2005. 29th Annual International , vol.1, no.pp. 479- 484 Vol. 2, 26-28 July 2005.
  22. N. Looker, B. Gwynne, J.Xu, M. Munro “An Ontology-Based Approach for Determining the Dependability of Service-Oriented Architectures,” 10th IEEE International Workshop on Object-oriented Real-time Dependable Systems, Sedona, USA, 2005.
  23. N. Looker, M. Munro, and J. Xu, ‘WS-FIT: A Tool for Dependability Analysis of Web Services,’ 1st Workshop on Quality Assurance and Testing of Web-Based Applications, COMPSAC, Hong Kong, 28-30 Sep 2004.
  24. N. Looker, M. Munro, and J. Xu, ‘Practical Dependability Analysis of SOAP Based Systems,’ presented at the UK e-Science All Hands Meeting 2004, Nottingham, UK.
  25. N. Looker & Jie Xu, “Assessing the dependability of OGSA middleware by fault injection,” Reliable Distributed Systems, 2003. Proceedings. 22nd International Symposium on , vol., no.pp. 293- 302, 6-18 Oct. 2003.
  26. N. Looker and J. Xu, ‘Assessing the Dependability of SOAP-RPC-Based Web Services by Fault Injection,’ 9th IEEE International Workshop on Object-oriented Real-time Dependable Systems, pp. 163-170, 2003.
  27. N. Looker and J. Xu, ‘Dependability Assessment of an OGSA Compliant Middleware Implementation by Fault Injection,’ presented at UK e-Science All Hands Meeting 2003, Nottingham, UK, 2003.

Technical Reports

  1. N. Looker and M. Munro, ‘WS-FTM: A Fault Tolerance Mechanism for Web Services,’ University of Durham, Technical Report 02/05, 19th March 2005.
  2. N. Looker and J. Xu, ‘Assessing the Dependability of OGSA Middleware by Fault Injection,’ University of Durham, Technical Report 01/03, 27/04/03.

Other Papers

  1. N. Looker “Dependability Assessment of Services ,” presented at Seventh SOSoRNet Workshop on Dependable, Dynamic Distributed Services and Systems, 6th November 2007, Woodhouse Rooms, University House, University of Leeds.
  2. N. Looker & T. Wo “UK-Sino Collaborations: Increasing Dependability in Grids ,” presented at Inaugural International Workshop on Dependability in Service-oriented Grids, Leeds, UK, 2006.
  3. N. Looker, M. Munro, and J. Xu, “Assessing Web Service Quality of Service with Fault Injection,” presented at Workshop on Quality of Service for Application Servers, SRDS, Brazil, 2004.
  4. N. Looker, M. Munro and J. Xu, ‘Testing Web Services’. The 16th IFIP International Conference on Testing of Communicating Systems, Student Forum, Oxford, 2004.