About: http://webisa.webdatacommons.org/274238431

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	Tracking algorithms are good in theory but in practice they fail if the body location is lost for any reason and they are particularly bad at dealing with other objects that obscure the person being tracked even for a brief moment.
http://www.w3.org/ns/prov#wasQuotedFrom	i-programmer.info