5th International Symposium on Digital Earth - SF2007 Digital Earth is a visionary concept for the virtual representation of the Earth that is spatially referenced and interconnected with digital knowledge archives from around the planet with vast amounts of scientific, natural, and cultural information to describe and understand the Earth and human activities. Digital Earth is a visionary concept for the virtual representation of the Earth that is spatially referenced and interconnected with digital knowledge archives from around the planet with vast amounts of scientific, natural, and cultural information to describe and understand the Earth and human activities. areabayconferencedigitalearthgisgreeninternationalmappingmapsrushsymposium By fujiangin Public bookmarkswith conferencegisinternation