About: http://webisa.webdatacommons.org/336685507

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	Maybe if copyright was an opt-in system, publishers could publish out of print books without having to worry about being sued by an absentee copyright holder.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org