About: http://webisa.webdatacommons.org/375274451

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	If some special character for example under score _ as part of column name and want to ignore, include special character with escape character as below in regular expression.
http://www.w3.org/ns/prov#wasQuotedFrom	beyondrelational.com