books.google.fr - A study into the consideration of the temporal dimension of computerized spatial data handling using GIS. The book describes the use of historical and time-variable data as explicit components of the modelling process....http://books.google.fr/books/about/Time_in_geographic_information_systems.html?hl=fr&id=2wVB8mU5CJkC&q=data+access&utm_source=gb-gplus-shareTime in geographic information systems
