About: http://webisa.webdatacommons.org/421643178

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	-1; the first step can be anything you like, and each following step can be anything except the opposite of the previous step.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com