About: http://webisa.webdatacommons.org/115201712

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	Currently most of the games are free; many are open-source (for learning purposes).
http://www.w3.org/ns/prov#wasQuotedFrom	oreilly.com