About: http://webisa.webdatacommons.org/282121079

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	However, this optimisation is implementation dependent - I do not know for example if mono or Portable.NET would do this, where as the Count property is O(1) on all of them.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com