<http://webisa.webdatacommons.org/prov/257335704>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133566828> .
<http://webisa.webdatacommons.org/prov/255645858>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133566828> .
<http://webisa.webdatacommons.org/133566828>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/133566828>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .
<http://webisa.webdatacommons.org/prov/390852718>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133566828> .
<http://webisa.webdatacommons.org/133566828>	<http://www.w3.org/ns/prov#value>	"Blackboard, Moodle, Drupal, Microsoft SharePoint and other systems." .