About: http://webisa.webdatacommons.org/420949708

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	I can not think of any disadvantages other than the fact that it takes a minute or 2 to hand them out, but the timing gets better every class.
http://www.w3.org/ns/prov#wasQuotedFrom	pearltrees.com