About: http://webisa.webdatacommons.org/60006318

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	This is fine for most purposes, but for others it is insufficient, such as the following.
http://www.w3.org/ns/prov#wasQuotedFrom	ncatlab.org