About: http://webisa.webdatacommons.org/397617476

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	Alternatively, balloon 308 may be formed from polyethylene, polypropylene, polyvinyl chloride or other material, as would be apparent to one skilled in the relevant art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com