About: http://webisa.webdatacommons.org/208374262

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 laser system may further include timers, light sensors, chemical sensors, pressure sensors, or other types of sensors (not shown) that can be used to trigger an exchange process.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com