About: http://webisa.webdatacommons.org/52301504

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	Those that believe the galaxy has many technologically advanced civilizations counter that the extraterrestrials may simply be using a medium other than radio or they eventually choose to hide their transmissions for some unknown reason.
http://www.w3.org/ns/prov#wasQuotedFrom	monstrous.com