About: http://webisa.webdatacommons.org/156431039

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	My best guess is that if you are working with doubles, chances are you would want any operations on doubles to return a double.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com