About: http://webisa.webdatacommons.org/368431466

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 light guide 51 is formed of borosilicate glass, quartz glass or other types of glass, or a transparent material such as acrylic resin (PMMA), polycarbonate or other types of resin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com