About: http://webisa.webdatacommons.org/108916788

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	Alternatively, a polarization rotation element, such as a half wave plate or a liquid crystal cell, followed by a polarizer could be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com