<http://webisa.webdatacommons.org/prov/151764196>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/296822080> .
<http://webisa.webdatacommons.org/296822080>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/296822080>	<http://www.w3.org/ns/prov#value>	"references is a good idea, like a 4th column" .
<http://webisa.webdatacommons.org/296822080>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<w3.org> .