About: http://webisa.webdatacommons.org/138512108

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	This is, of course, made more difficult in that many planets do not consist of a single type of environment, and clouds and other atmospheric factors often affect the albedo of a planet.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com