About: http://webisa.webdatacommons.org/80082140

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	See the three flat-tipped pins in the means this" diagram.A datum is a theoretically exact entity defined in the datum feature simulators.
http://www.w3.org/ns/prov#wasQuotedFrom	eng-tips.com