# filename: ex305.rq

PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX ab: <http://learningsparql.com/ns/addressbook#> 

CONSTRUCT {
  ?s foaf:givenName ?first ;
     foaf:familyName ?last ;
     foaf:mbox_sha1sum ?hashEmail . 
}
WHERE 
{
  ?s ab:firstName ?first ;
     ab:lastName ?last ;
     ab:email ?email . 
  BIND (SHA1(?email) AS ?hashEmail )
}