About: http://webisa.webdatacommons.org/268159655

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	At its heart, Polybius was a video game that was produced in the early 1980s that appeared in a few arcades in Portland, Oregon (SOURCE).
http://www.w3.org/ns/prov#wasQuotedFrom	gameranx.com