About: http://webisa.webdatacommons.org/73194900

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	I would do it by finding the number of lines before running the script, e.g. with coreutils and bash:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com