About: http://webisa.webdatacommons.org/438655748

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	Given that performance is an issue, I would use a 1D array and roll my own arithmetic to calculate offsets.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com