<http://webisa.webdatacommons.org/prov/458642156>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/30554892> .
<http://webisa.webdatacommons.org/30554892>	<http://www.w3.org/ns/prov#value>	"Now PL/1, there was a language...." .
<http://webisa.webdatacommons.org/30554892>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/30554892>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<fogcreek.com> .