About: http://webisa.webdatacommons.org/13450956

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 do not think the COPs are fantastic nor are they awful.....they are pretty good especially with all the features you have mentioned.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org