About: http://webisa.webdatacommons.org/314079293

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	Instead, the pattern of the nine cells including and surrounding the cell at (x, y) is maintained in the variable environment, which is used as an index to a 512-element lookup table.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com