About: http://webisa.webdatacommons.org/359658200

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	Before going through stage-2, the SF contains all the information from a given observation, irrespective of such things as data quality and Earth occultation.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov