Egenhofer, M. and M. Dube. Topological Relations from Metric Refinements. Proceedings of the 17th ACM SIGSPATIAL – International Conference on Advances in Geographic Information Systems, Seattle, WA. D. Agrawal, W. Aref, C. Lu, M. Mokbel, P. Scheuermann, C. Shahabi and O. Wolfson (eds.), November, 2009. pp. 158-167. Abstract: Naive Geography’s premise “Topology matters, metric refines” read more Topological Relations from Metric Refinements