About: http://webisa.webdatacommons.org/431458426

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	For reasons not relevant to this discussion, there is an offset of 2 between the matrix and the vectors.
http://www.w3.org/ns/prov#wasQuotedFrom	codeguru.com