About: http://webisa.webdatacommons.org/328422226

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	Some languages, such as Java, support Null as a specific value, whereas other languages do not (e.g., C++ which uses zero and context to determine Null).
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk