About: http://webisa.webdatacommons.org/45266348

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	Work on each type of balloon was spurred on by the knowledge that there was a competing group and alternative technology.
http://www.w3.org/ns/prov#wasQuotedFrom	yuku.com