Manolis Koubarakis Timos K. Sellis Andrew U. Frank Stéphane Grumbach Ralf Hartmut Güting Christian S. Jensen Nikos A. Lorentzos Yannis Manolopoulos Enrico Nardelli Barbara Pernici Hans-Jörg Schek Michel Scholl Babis Theodoulidis Nectaria Tryfona Spatio-Temporal Databases: The CHOROCHRONOS Approach Lecture Notes in Computer Science 2520 Springer 2003 3-540-40552-6 db/conf/chorochronos/chorochronos2003.html