About: http://webisa.webdatacommons.org/300247514

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	In some cases, such as with aviation, aggressive patenting put an end to a period of extensive knowledge sharing.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.in