About: http://webisa.webdatacommons.org/295465015

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 content of the Text property (which is a String) is not a number, say 12A, it cannot be converted to an Integer and you get that error.
http://www.w3.org/ns/prov#wasQuotedFrom	devx.com