About: http://webisa.webdatacommons.org/456563759

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	In September 2007, NASA launched the Dawn Mission, which started orbiting the protoplanet 4 Vesta in July 2011, and is to orbit 1 Ceres in 2015. 4 Vesta is the largest asteroid visited to date.
http://www.w3.org/ns/prov#wasQuotedFrom	sensagent.com