About: http://webisa.webdatacommons.org/238808245

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	Calculating the matrix from those 2 parameters is pretty straight forward, the following function is an example how to do it:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com