About: http://webisa.webdatacommons.org/293082989

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	Prior art optical tracking systems have been developed to follow flying bodies or other moving objects.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com