About: http://webisa.webdatacommons.org/245609443

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	- r = aAx + by; where a and b are scalars, A is a matrix, and r, x and y are vectors.
http://www.w3.org/ns/prov#wasQuotedFrom	digitalmars.com