About: http://webisa.webdatacommons.org/254047215

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	You could try an explicit check to ensure that the argument is an int or float, but he is somewhat clunky???especially if you want to support rational numbers too:
http://www.w3.org/ns/prov#wasQuotedFrom	devx.com