About: http://webisa.webdatacommons.org/358258870

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	Remove lines in a file that do not have specified patterns in particular columns
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com