About: http://webisa.webdatacommons.org/425089131

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	Transparent windows 26 and 28 may be constructed of any suitable material, such as quartz, fused silica or transmitting optical fibers which is known in the art for providing transparency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com