<http://webisa.webdatacommons.org/32031071>	<http://www.w3.org/ns/prov#value>	"Regex to remove letters, symbols except numbers" .
<http://webisa.webdatacommons.org/prov/396451932>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/32031071> .
<http://webisa.webdatacommons.org/32031071>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/32031071>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/prov/395798304>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/32031071> .