About: http://webisa.webdatacommons.org/140592379

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 guess this is not a really helpful post, except to say that I too would be interested in the answer (I am already veggie, so my interest is purely academic).
http://www.w3.org/ns/prov#wasQuotedFrom	straightdope.com