Affiliation: | Centre for Property Research, Department of Land Economy, University of Aberdeen, St Mary's, King's College, Old Aberdeen AB24 3UF, Scotland Northern Ireland Knowledge Engineering Laboratory, University of Ulster, Shore Road, Newtownabbey BT37 OQB, Northern Ireland Centre for Research on Property, Planning and Logistics, University of Ulster, Shore Road, Newtownabbey BT37 OQB, Northern Ireland |