About: http://webisa.webdatacommons.org/10764994

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	Earth is mostly made of iron and rock, even though the Earth's surface is covered with rock and water.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com