<http://webisa.webdatacommons.org/prov/101322339>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/40051455> .
<http://webisa.webdatacommons.org/40051455>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/40051455>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/99139002>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/40051455> .
<http://webisa.webdatacommons.org/40051455>	<http://www.w3.org/ns/prov#value>	"To match anything other than letter or number you could try [^a-zA-Z0-9]" .