@article {Craglia2008IJSDIR,
	title = {{Next-Generation Digital Earth: A position paper from the Vespucci Initiative for the Advancement of Geographic Information Science}},
	journal = {International Journal of Spatial Data Infrastructures Research},
	volume = {3},
	number = {6},
	year = {2008},
	pages = {146{\textendash}167},
	author = {Craglia, M. and Goodchild, M.F. and Annoni, A. and Camara, G. and Gould, M. and Kuhn, W. and Mark, D. and Masser, I. and Maguire, D. and Liang, S. and Parsons, E.}
}