About: http://webisa.webdatacommons.org/388989266

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	I do not think that performance is an issue here - those are, if at all (I could imagine the compiler producing the identical assembly for most of them), micro optimizations hardly ever necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com