About: http://webisa.webdatacommons.org/204386445

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	That is the query execution engine will insert the predicate, customer_id=55??? automagically for you when the target of your query is a federated table.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com