About: http://webisa.webdatacommons.org/122209087

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	Anyhow, as you point out it is no big deal if they do not actually do anything other than join.
http://www.w3.org/ns/prov#wasQuotedFrom	sumoforum.net