About: http://webisa.webdatacommons.org/45400966

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	If performance is an issue then look at other generic collections, things like dictionary have very very nice key retrieval properties (almost n(1) apparently) which can make a huge impact in the right spots.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com