About: http://webisa.webdatacommons.org/74719058

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	Water vapor comprises 80% of the gas in the comet, and most of the rest is carbon monoxide and carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	earthlink.net