About: http://webisa.webdatacommons.org/399456020

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	If the adjacent pixel did not change, chances are the object is a reflection, not a tennis ball; likewise, if 1,000 adjacent pixels changed, chances are, the object is too large to be a tennis ball.
http://www.w3.org/ns/prov#wasQuotedFrom	sportsvideo.org