About: http://webisa.webdatacommons.org/98127264

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	The other reasons would be around where your back-links are coming from (and to), since PR is a measurement of backlinks...
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com