About: http://webisa.webdatacommons.org/235559331

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	In some countries this period has been extended to 70 years.[1] When the period of copyright protection has ended, the written document, musical composition, book, picture, or other creative work is in the public domain.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org