About: http://webisa.webdatacommons.org/203916954

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	The robots.txt file must be placed in the root folder of your domain, i.e. at http://www.yourdomain.com/robots.txt , and it would contain something like:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com