About: http://webisa.webdatacommons.org/52125132

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 problem is that the s.date is a datetime and u.last is just a date.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com