About: http://webisa.webdatacommons.org/309931467

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	The only clues are a cryptic message left by an engineer on the Moon and a giant ring structure larger than the Earth itself.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com