About: http://webisa.webdatacommons.org/68352724

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 tracking device may include an optical device or the like, such as an LED or a laser and a detector configured to detect the radiation from these sources.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com