About: http://webisa.webdatacommons.org/83333725

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	But the undertaking was a massive one, involving a myriad of difficult problems.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalaviation.org