About: http://webisa.webdatacommons.org/18957608

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 the value is a compile time constant (e.g. numbers, enum, const values, constexpr sometimes in c++11 and so on), then yes they can be accessed faster compared to other variables.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com