Nico Van de Weghe Papers on DiSC'04 Development of a Conceptual Data Model for Digital Spatio-Temporal Geographical Information, with Application to Several Themes and GIS Publications Note: Links lead to the DBLP on the Web. Nico Van de Weghe Nico Van de Weghe: Development of a Conceptual Data Model for Digital Spatio-Temporal Geographical Information, with Application to Several Themes and GIS. ER 2002 : 16 ©2004 Association for Computing Machinery