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NEWS ARCHIVE: 2008

8 December 2008

Two Msc students from CIRG, Gary Pampara and Andrich van Wyk, visited the University of Pernambuco in Recife, Brazil, over the first week of December. Their visit was hosted by Prof. Fernando B. Lima Neto and Prof. Carmelo J. A. Bastos Filho. Gary and Andrich ran a workshop focused on CIlib and its use for research purposes. Over the course of their stay, they also paid a visit to the Federal University of Pernambuco.

3 November 2008

Prof. Andries Engelbrecht (head of CIRG), and his wife, Anri, are the proud parents of a baby girl! Martelize Engelbrecht was born on 31 October 2008 at 19:17. CIRG wishes the Engelbrechts well with the new addition to their family.

27 October 2008

Prof. Gennady Ososkov from JINR will be presenting the following public guest lecture, as part of his visit to CIRG. All interested parties are welcome. The details of the lecture are as follows:

When: 28 October, 14:00-15:00
Venue: Room 4-56, IT Building, University of Pretoria
Title: Practical aspects of neural network applications in experimental physics

Summary: Contemporary experiments in high energy and nuclear physics are characterized by very high rate of produced data and their extremely sophisticated structure, while the wanted physical effects are hidden in a huge background exceeding useful information by many orders of magnitude. Experimental data processing led to many multiparametric problems, so one of the effective ways to solve them is an approach that relates to artificial neural networks (ANNs). However almost all practical attempts to apply ANNs met the problem of transforming experimental data to make them suitable for input to ANNs. In this talk some examples from the practice of the Joint Institute for Nuclear Research are given to show how to choose the ANN type and structure and how to prepare data to deal with them. These examples include various problems of pattern recognition, hypothesis testing and classifying solved by applying feed-forward and recurrent neural networks.

20 October 2008

Prof. Gennady Ososkov, from the Joint Institute for Nuclear Research (JINR) will be visiting CIRG from 21 October 2008 until 4 November 2008.

17 September 2008

CIRG has entered into an official research collaboration agreement with the University of Cypress. The research project is supported with funding provided by the Research Promotion Foundation in Cypress. Pavlos Antoniou will be working towards his doctorate under the supervision of Prof. Andreas Pitsillides of the University of Cypress, with co-supervision by Prof. Andries Engelbrecht at CIRG, and Dr. Tim Blackwell from Goldsmiths, University of London. The focus of the work is on congestion control in autonomous decentralised networks, with the use of swarm-based algorithms.

12 September 2008

Prof. Andries Engelbrecht today presented a plenary talk at the 8th International Conference on Hybrid Intelligent Systems (HIS 2008), taking place in Barcelona, Spain. The talk, entitled "CIlib: A Component-based Framework for Plug-and-Simulate Hybrid Computational Intelligence Systems", gave an overview of CIRG's CIlib initiative, and focussed on how the framework may be used for any type of CI algorithm hybridisation with minimal development effort.

5 September 2008

Dr. David Fogel visited CIRG from 31 August until 4 September, while he was in South Africa to be awarded an honorary doctorate by the University of Pretoria, for his contributions to the fields of computational intelligence and evolutionary computation. Dr. Fogel gave the opening address at the 3 September graduation ceremony for both the faculty of Natural and Agricultural Sciences, and the faculty of Engineering, Built Environment and Information Technology.

The following short biography is adapted from Dr. Fogel's page on the web site of his company, Natural Selection, Inc.:

Dr. Fogel's experience includes over 20 years of applying computational intelligence methods and statistical experimental design to real-world problems in industry, medicine, and defense. Prior to joining Natural Selection, Inc. in 1993, he was a Systems Analyst for Titan Systems, Inc. (1984-1988), and a Senior Principal Engineer at ORINCON Corporation (1988-1993). He received the Ph.D. in engineering sciences from the University of California at San Diego in 1992, and has subsequently taught undergraduate and graduate courses in evolutionary computation, stochastic processes, and statistical process control. Dr. Fogel has over 200 publications in the technical literature, the majority treating the science and application of evolutionary computation. He is also the author of six books.

1 August 2008

CIRG welcomes yet another staff member to our group. Mr Leo Langenhoven has accepted a three year contract with the Department of Computer Science.

27 March 2008

Nelis Franken has developed a visualisation tool, called FluxViz, for the parameter optimisation of various CI algorithms. The approach is interactive, parameter-free and mathematically sound. It is also independent of the algorithm being optimised, or the code library being used, so anyone can use it successfully. FluxViz version 1.0 (stable) is now available for Linux, Windows and Mac OS on SourceForge.net, and includes program source and a Windows 32-bit binary release. [ Show ]

On 22 February, Nelis gave a presentation on parameter optimisation using FluxViz and Sobol sequences. The presentation slides are available for download in PDF format. [ Show ]

Nelis also gave a two-part talk on 7 and 14 March, covering experiment design and statistical analysis applied to computational intelligence. These slides are also available for download. [ Show ]

26 March 2008

Ten papers have been accepted for the 2008 IEEE World Congress on Computational Intelligence (WCCI 2008) in Hong Kong taking place from 1 June until 6 June:

  1. Mathys C. du Plessis and Andries P. Engelbrecht, "Improved Differential Evolution for Dynamic Optimization Problems".
  2. A. J. Graaff and A. P. Engelbrecht, "Towards a Self Regulating Local Network Neighbourhood Artificial Immune System for Data Clustering".
  3. Katherine M. Malan and Andries P. Engelbrecht, "Algorithm Comparisons and the Significance of Population Size".
  4. Anna Rakitianskaia and Andries P. Engelbrecht, "Cooperative Charged Particle Swarm Optimiser".
  5. Olusegun Olorunda and Andries P. Engelbrecht, "Measuring Exploration/ Exploitation in Particle Swarms Using Swarm Diversity".
  6. Jacomine Grobler, Andries P. Engelbrecht and V. S. S. Yadavalli, "Multi-Objective DE and PSO Strategies for Production Scheduling".
  7. Marde Greef and Andries P. Engelbrecht, "Solving Dynamic Multi-objective Optimisation Problems with Vector Evaluated Particle Swarm Optimisation".
  8. Willem S. van Heerden and Andries P. Engelbrecht, "A Comparison of Map Neuron Labeling Approaches for Unsupervised Self-Organizing Feature Maps".
  9. G. Pampara, A. P. Engelbrecht and T. Cloete, "CIlib: A Collaborative Framework for Computational Intelligence Algorithms - Part I".
  10. T. Cloete, A. P. Engelbrecht and G. Pampara, "CIlib: A Collaborative Framework for Computational Intelligence Algorithms - Part II".

Congratulations to all!

25 March 2008

CIRG is now two permanent staff members stronger. We welcome Mr Ronald Klazar and Mr Olusegun Olorunda to the group!




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