About: http://webisa.webdatacommons.org/416576838

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	So, while Portal is a must play game, I would recommend you buy The Orange Box.
http://www.w3.org/ns/prov#wasQuotedFrom	gamespot.com