About: http://webisa.webdatacommons.org/175586341

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	Ephemerides are included for all orbits with complete elements, as are plots including all associated data in the current Washington Double Star database.
http://www.w3.org/ns/prov#wasQuotedFrom	navy.mil