About: http://webisa.webdatacommons.org/453645717

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Prestigious universities such as Princeton, MIT, Penn and Stanford are offering hundreds of courses online ??? for free.
http://www.w3.org/ns/prov#wasQuotedFrom	educationtechnews.com