About: http://webisa.webdatacommons.org/183017493

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	Such chemical compounds may include such substances as silicon dioxide, silicon nitride, and silicon carbide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com