About: http://webisa.webdatacommons.org/5491997

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	For instance, the level A2 (the uppermost level) or the level A3 or other level of a predetermined stage may be also set to a reference height of ???zero???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com