About: http://webisa.webdatacommons.org/82671408

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	For example, the input device may be arranged at one of the foci and reflector (e.g. a plane mirror) may be arranged at the other of the foci so as to reflect radiation to a different position e.g. at or close to the input device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca