1. Visiting Research Fellow, School of Computer Science, Univ. of Adelaide, Adelaide, SA 5005, Australia (corresponding author).
2. Senior Research Scientist, Dept. of Water, Irstea, Bordeaux Regional Centre, F-33612 Cestas, France.
3. Senior Researcher, 3S Consult GmbH, D 76137 Karlsruhe, Germany; and Adjunct Senior Lecturer, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, Adelaide, SA 5005, Australia.
4. Professor, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, Adelaide, SA 5005, Australia.