About: http://webisa.webdatacommons.org/143774535

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	Specifying that the type of a matrix consists of two arrays of types is something for which syntax could get ugly fast.
http://www.w3.org/ns/prov#wasQuotedFrom	yosefk.com