About: http://webisa.webdatacommons.org/242505697

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	And that is MUCH more supported than the Drake equation (I know frogs exist, and tha there are a finite number on a finite surface area of the Earth)
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org