About: http://webisa.webdatacommons.org/17469182

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	Up until 1980s, those who own copyrighted materials, including books or video and audio records weren???t up against mass copying of these works.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com