About: http://webisa.webdatacommons.org/402966051

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	{...}I just find it very unlikely that an intelligent alien lifeform (if it exists, maybe we are the first) comes here with all their technology, builds some pyramids or other buildings and leave without leaving any clue to us.{...}
http://www.w3.org/ns/prov#wasQuotedFrom	linuxquestions.org