Carlo Combi, Sara Migliorini, Barbara Oliboni, Alberto Belussi. GeoMTGM: A Graphical Data Model for Semistructured, Geographical, and Temporal Data. In Alberto Belussi, Barbara Catania, Eliseo Clementini, Elena Ferrari, editors, Spatial Data on the Web, Modeling and Management. pages 15-41, Springer, 2007. [doi]
Abstract is missing.