About: http://webisa.webdatacommons.org/149301475

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	One of the biggest mysteries on our planet is why Earth is abundant in water, and astrophysicists will often point to comets as the source.
http://www.w3.org/ns/prov#wasQuotedFrom	aljazeera.com