About: http://webisa.webdatacommons.org/209169677

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	The skier traffic model is based on physical forces, such as gravity and friction, as well as social forces, such as a skier's tendency to avoid another and the edges of the ski run.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org