About: http://webisa.webdatacommons.org/132046345

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 third and the most difficult problem is in case of tracking a non-rigid object like an active person such as a person involved in a sport.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de