About: http://webisa.webdatacommons.org/292152326

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	One interface that really impressed me is a drawing program that allows you to draw in mid air, using a camera-tracked stylus to lay out the design, and a similarly tracked set of eyewear to allow you to walk through the 3D canvas.
http://www.w3.org/ns/prov#wasQuotedFrom	siggraph.org