<http://webisa.webdatacommons.org/356951280>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/497763473>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/356951280> .
<http://webisa.webdatacommons.org/356951280>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ericdigests.org> .
<http://webisa.webdatacommons.org/356951280>	<http://www.w3.org/ns/prov#value>	"letters are a vital link with the outside world, some prison jobs require" .