About: http://webisa.webdatacommons.org/188752551

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	However, the zero-point ?? can assume different values over time due to causes such as aging.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com