About: http://webisa.webdatacommons.org/62001893

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	Therefore, what is needed is a method and apparatus that detect changes to objects in a manner that consumes less storage than storing an associated value such as a timestamp for each object.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk