About: http://webisa.webdatacommons.org/93014224

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	Silica is a useful raw material for manufacturing different things like glass, porcelain, food additives, ceramic re-entry tiles on the Space Shuttle, among others. (Here.) Now he is interesting.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com