About: http://webisa.webdatacommons.org/59432410

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	I know these are the Portal one maps but I have not played Portal one so can you tell me if there is a difference from these and the Portal one maps other than textures?
http://www.w3.org/ns/prov#wasQuotedFrom	moddb.com