About: http://webisa.webdatacommons.org/127976332

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	It comes from relational algebra, where a column is an attribute and a row is a tuple.
http://www.w3.org/ns/prov#wasQuotedFrom	mclaughlinsoftware.com