About: http://webisa.webdatacommons.org/422850134

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	The only drawback I see is that the courses (at least the ones I have) are mostly aimed at beginners, and are a bit outdated in terms of dealing with some more recent techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com