About: http://webisa.webdatacommons.org/125648445

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	Some have 200 page books (all text) while others have material that is mostly video or slides.
http://www.w3.org/ns/prov#wasQuotedFrom	pennymondani.com