About: http://webisa.webdatacommons.org/337489770

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	We???ve gotten lucky and observed a bit here and there when conditions were just right, but for the most part, we???ve been relying on models and other information to infer its existence.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com