About: http://webisa.webdatacommons.org/70806483

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	yes you are right with .5 but if the exponent is an integer it is damage to get an error ( with a polynomial function for example)
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com