<http://webisa.webdatacommons.org/400107393>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/400107393>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/400107393>	<http://www.w3.org/ns/prov#value>	" Diamond is among the most useful materials presently known, with hardness, thermal conductivity, and other properties that distinguish it from other materials. A diamond&#39;s hardness makes it well suited for use in cutting or grinding tools, such" .
<http://webisa.webdatacommons.org/prov/425905418>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/400107393> .