About: http://webisa.webdatacommons.org/446673735

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	However, assume that there is a unique constraint on flight ID and cargo hold (to prevent scheduling two shipments for the same hold).
http://www.w3.org/ns/prov#wasQuotedFrom	about.com