Matt Duckham is Professor in Geospatial Sciences at RMIT University, Melbourne, Australia and was awarded a PhD in GIS from the University of Glasgow, UK, in 2000. Matt has previously held positions as Associate Dean Geospatial Sciences at RMIT University and as Professor of GIS at the University of Melbourne, Australia. Matt was author of the 2013 book "Decentralized Spatial Computing: Foundations of Geosensor Networks" and coauthor of more than 50 research papers in scholarly journals in the field. Together with Mike Worboys, Matt is a founding editor of the Journal of Spatial Information Science (JOSIS). Qian (Chayn) Sun is a Senior Lecturer in Geospatial Sciences at RMIT University, Melbourne, Australia and holds a PhD in GIS from Curtin University, Perth, Australia. Prior to her PhD study, she was a Geospatial Analyst and gained extensive experience in multi-disciplinary applied GIS research projects with both government departments and engineering consultancies in New Zealand and Australia. Chayn has authored over 40 research articles in interdisciplinary journals in spatial analysis, spatial and statistical modeling, urban informatics, GeoAI, and human behavior analysis. Mike Worboys is Professor of Spatial Informatics at the University of Greenwich, London, England and holds a PhD in Mathematics from the University of Birmingham, UK. Before returning to England in 2012, he was Professor in the National Center for Geographic Information and Analysis (NCGIA) and Director of the School of Computing and Information Science at the University of Maine, USA. Mike is a Distinguished Scientist of the ACM and a Life Member of the London Mathematical Society. Mike is also a composer and sound artist, having an interest in instrumental, vocal and electroacoustic music, and holds a PhD in Music (Composition) from the University of Durham. His instrumental and vocal music has been performed at many venues around Britain, including the London Institute for Contemporary Arts (ICA) and the National Maritime Museum.
