About: http://webisa.webdatacommons.org/438449293

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	And if you think there is no legal overhead, I would argue that anything that makes something more complicated to deal with, especially if not technically relevant to the project (as licensing is not), is overhead.
http://www.w3.org/ns/prov#wasQuotedFrom	osnews.com