PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Source Filmmaker (abbreviated as SFM) is a video capture and editing application that works from inside the Source game engine.[5][6] The tool, created by Valve Corporation, was used to create over 50 animated shorts for its Source games, including Team Fortress 2, the Left 4 Dead series, and Half-Life 2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org