1. William Latham, Department of Computing, Goldsmiths, University of London, U.K. Email: w.latham@gold.ac.uk.
2. Stephen Todd, Department of Computing, Goldsmiths, University of London, U.K.
3. Peter Todd, Department of Computing, Goldsmiths, University of London, U.K.
4. Lance Putnam, Department of Computing, Goldsmiths, University of London, U.K. Email: l.putnam@gold.ac.uk.