About: http://webisa.webdatacommons.org/116035915

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	It looks like you have a regular warning there, an unused variable is a warning... but it turned into an error, and stopped the flow...
http://www.w3.org/ns/prov#wasQuotedFrom	gentoo.org