About: http://webisa.webdatacommons.org/437708647

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	It ended up taking me about as long to implement this one as the other, mostly because of a pair of really sneaky off-by-one errors that only cropped up in about 5% of randomized tests???
http://www.w3.org/ns/prov#wasQuotedFrom	programmingpraxis.com