<http://webisa.webdatacommons.org/prov/255645858>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/153420075> .
<http://webisa.webdatacommons.org/153420075>	<http://www.w3.org/ns/prov#value>	"to systems such as Blackboard, Roxen, and Drupal." .
<http://webisa.webdatacommons.org/153420075>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/153420075>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<princeton.edu> .