About: http://webisa.webdatacommons.org/126004421

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	Even if you could add the perfmon trackers it will not tell you what is causing the problem, only that there is a problem which it seems like you have already identified.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com