PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have never actually seen a performance issue when using these queries, but then again, I have never built an entire application with them. (Something I would not recommend, though I can not give you any evidence why.) here is a link to a Microsoft KB article that will tell you much more than I aspire to in this article, and below is the only mention it makes of performance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • databasejournal.com