About: http://webisa.webdatacommons.org/123924502

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	Various methods have been used or proposed for this purpose, but most suffer from problems such as waste generation, unreliability and complexity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es