About: http://webisa.webdatacommons.org/119557691

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	of quantities that are hard to measure experimentally as for example the estimation
http://www.w3.org/ns/prov#wasQuotedFrom	springerplus.com