About: http://webisa.webdatacommons.org/131616488

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	They are, however, more expensive in terms of storage and certain operations with them become costly and some operations are not allowed at all, e.g. taking square roots, since they do not necessarily yield a rational answer.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com