About: http://webisa.webdatacommons.org/185615534

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	Because diamond is the hardest abrasive material currently known, it is widely used as asuperabrasive on saws, drills, and other devices, which utilize the abrasive to cut, form, or polish other hard materials.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com