About: http://webisa.webdatacommons.org/224080637

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	The stone-tool rule is that we are wrong in saying people gave up stone tools, in particular blades, in favor of bronze and later iron ones because metals were better.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com