About: http://webisa.webdatacommons.org/423269122

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	The mutable data item must implement all methods that change data items, including collections, in a way that is thread-safe, for example by using a synchronized method or block.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca