About: http://webisa.webdatacommons.org/275823044

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	Maybe its worth a check to do an explain select on this query with both types of indexes and an in case the index of both fields does fine, too just measure the qeuery speed.
http://www.w3.org/ns/prov#wasQuotedFrom	github.com