About: http://webisa.webdatacommons.org/235481817

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	Unfortunately, most of the chart is based on estimates, and thus far, no one, including Jepson, has offered any proof of the claims made.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org