Planning Support Systems: Technologies that are Driving Planning Michael Batty Centre for Advanced Spatial Analysis (CASA), University College London, 1-19 Torrington Place, London WC 1 E 6BT, United Kingdom I had always thought the term 'Planning Support Systems', abbreviated to PSS, had been coined by the father of land use modelling, Britton Harris, in his article 'Beyond Geographic Information Systems: computers and the planning professional' published in the Journal of the American Planning Association in 1989 (Harris 1989). Until I asked hirn, that iso In a response to a paper he gave...