About: http://webisa.webdatacommons.org/273400012

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 was amazed too, the first time I realized that there was a community and so many hard working people behind SO. I had signed up to write an answer, the current answer was wrong.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com