About: http://webisa.webdatacommons.org/170076701

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 ball could have a detection device such that if the ball is not thrown within the predetermined period it initiates a lighting effect such as a strobe.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com