<http://webisa.webdatacommons.org/prov/60719553>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/185889042> .
<http://webisa.webdatacommons.org/185889042>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/185889042>	<http://www.w3.org/ns/prov#value>	"We check for hardness\" and other properties." .
<http://webisa.webdatacommons.org/185889042>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<proofmarkbullets.com> .