About: http://webisa.webdatacommons.org/227319910

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	My algebra is a bit rusty, and I really have no idea where to begin (aside from maybe a long sequence of 'brute force' by substitution).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com