Currently Bernard is a Research Fellow in TSSG, Waterford Institute of Technology, working in the CONNECT Centre, particularly on the Intel Workplan relating to the optimisation of services for virtualised heterogeneous networks and of networks for distributed, composed microservices, specifically applied to Intelligent Transport Systems (ITS).
Previous TSSG experience:
- Visiting Researcher at Amadeus S.A, Sophia Antipolis, France – modelling and visualizing transaction trees in a busy data centre
- Senior researcher – Performance and security in composed web services (2010-2012), integrated communications (2010-2014) and access control performance prediction (2014-2015).
- Senior Researcher – Future Internet topology modelling (2009-2010)
- KDD (Knowledge Discovery in Databases) Group leader at TSSG (2007-2009); projects: SCA, SWAGGER, SaaSiPA
- Product Centre manager – Digital Multimedia Services (2006-2007)
Prior experience included:
- Senior Business Systems Analyst at Sun Life Financial.
- Senior Consultant/Data Warehouse Architect at Client Solutions.
- Principal Research Scientist at the Scientific Software Section, National Physical Laboratory (NPL), UK.
BSc (Applied Maths and computing; UCC), MSc (Applied Maths; UCC), DMS (Kingston University Business School), MSc (Communication Software; WIT) and PhD (“Access Control System Specification and its Implications for Performance“; WIT).
- Bernard Butler and Brendan Jennings. Measurement and Prediction of Access Control Policy Evaluation Performance. IEEE Transactions on Network and Service Management, Vol. 12 Issue 4, pages 526 – 539. IEEE, 2015.
- Leigh Griffin, Bernard Butler, Eamonn de Leastar, Brendan Jennings, and Dmitri Botvich. On the Performance of Access Control Policy Evaluation. In 2012 IEEE International Symposium on Policies for Distributed Systems and Networks, pages 25–32. IEEE, 2012.
- Bernard Butler, Brendan Jennings, and Dmitri Botvich. An experimental testbed to predict the performance of XACML Policy Decision Points. In IM 2011 – TechSessions, Dublin, Ireland, May 2011.
- B. Butler, B. Jennings, and D. Botvich. XACML policy performance evaluation using a flexible load testing framework. In Proceedings of the 17th ACM conference on Computer and communications security, pages 648–650. ACM, 2010.
- Bernard Butler. Tools and Techniques used in mining Customer Data—Lessons for Metrology. In M.G. Cox, editor, Proceedings of the Joint BIPM-NPL Workshop on the Impact of IT in Metrology, NPL, Teddington, UK, 16–19 September 2002. Invited paper.
- M. Bartholomew-Biggs, B.P. Butler, and A.B. Forbes. Optimisation algorithms for generalised distance regression in metrology. Series on Advances in Mathematics for Applied Sciences, 53:21–31, 2000
- B. Butler, M. Cox, A. Forbes, S. Hannaby, and P. Harris. A methodology for testing classes of approximation and optimisation software. In Proceedings of the IFIP TC2/WG2.5 working conference on Quality of numerical software: assessment and enhancement, pages 138–151. Chapman & Hall, Ltd., 1997.
- G.T. Anthony, H.M. Anthony, B. Bittner, B.P. Butler, M.G. Cox, R. Drieschner, R. Elligsen, A.B. Forbes, H. Groß, S.A. Hannaby, P.M. Harris, and J. Kok. Reference software for finding chebyshev best-fit geometric elements. Precision Engineering, 19:28–36, 1996.
3 PhD students (current) and 5 MSc students (2 current)