About: http://webisa.webdatacommons.org/450499061

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	Many things scratch glass, including sand and cubic zirconia, so no proof there.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com