About: http://webisa.webdatacommons.org/237507001

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	Each time a derived data value is needed by a process, data values used in deriving the data value are retrieved from a data store, such as a database or other data object, and the derived data value is calculated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com