<http://webisa.webdatacommons.org/prov/507619065>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/450311970> .
<http://webisa.webdatacommons.org/450311970>	<http://www.w3.org/ns/prov#value>	"R is a freely available language and environment for statistical computing and graphics." .
<http://webisa.webdatacommons.org/450311970>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<unc.edu> .
<http://webisa.webdatacommons.org/450311970>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .