<http://webisa.webdatacommons.org/392317162>	<http://www.w3.org/ns/prov#value>	"Determine whether a character is a letter or number" .
<http://webisa.webdatacommons.org/392317162>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/135814118>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392317162> .
<http://webisa.webdatacommons.org/392317162>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/136728635>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392317162> .