About: http://webisa.webdatacommons.org/184663511

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	Erlitou through Zhou: As with jade, weapon types include blades, broad axes (yue), and halberds (ge).
http://www.w3.org/ns/prov#wasQuotedFrom	federalregister.gov