About: http://webisa.webdatacommons.org/277571447

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	Behind him on a wall is a rock, labeled Earth and 4,500,000,000 BCE - April 12, 2013.]
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com