About: http://webisa.webdatacommons.org/446499230

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	My explanation is a gross oversimplification since zooming in seems to reduce or eliminate the problem even while you are still at less than a 1 to 1 pixel relationship.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com