About: http://webisa.webdatacommons.org/422720175

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	Whilst this wont cause a page not to be displayed, particularly if you are connecting by ip address, you should also check your dns because the fqdn in your log does not resolve.
http://www.w3.org/ns/prov#wasQuotedFrom	howtoforge.com