About: http://webisa.webdatacommons.org/154865232

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	Thinking about it more, you should be able to get reasonable performance, even pivoting the data, assuming the indexes are clean, especially the clustered indexes.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlservercentral.com