About: http://webisa.webdatacommons.org/166555831

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	When you are programming games or other 3d applications using OpenGL or DirectX, it is often required to use affine transformation matrices to describe transformations in space (4x4 matrices and the like).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com