About: http://webisa.webdatacommons.org/425535117

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	It can include unofficial lecture notes as well as other material such as audio or video lectures and pictures.
http://www.w3.org/ns/prov#wasQuotedFrom	projectrhea.org