<http://webisa.webdatacommons.org/prov/458459508>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/449807695> .
<http://webisa.webdatacommons.org/449807695>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/449807695>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/449807695>	<http://www.w3.org/ns/prov#value>	"wrong, but in some cases impossible, here is an exercise." .