EDBT'04 - Session 6: Innovative Modeling Concepts for Spatial and Temporal Databases Computing and Handling Cardinal Direction Information Spiros Skiadopoulos Christos Giannoukos Panos Vassiliadis Timos K. Sellis Manolis Koubarakis A Tale of Two Schemas: Creating a Temporal XML Schema from a Snapshot Schema with £nXSchema Faiz Currim Sabah Currim Curtis Dyreson Richard T. Snodgrass A Model for Ternary Projective Relations between Regions Roland Billen Eliseo Clementini Return to EDBT'04 Sessions ©2005 Association for Computing Machinery