About: http://webisa.webdatacommons.org/248449437

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	Its earliest prototypes in 5500 BC began to improve the living conditions of the hunters and their families with its added efficiency, and the invention remained mostly the same until the 19th century.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com