# http://www.w3.org/TR/2010/WD-sparql11-update-20100126/#t413

PREFIX foaf:  <http://xmlns.com/foaf/0.1/>

WITH <http://example/addresses>
DELETE { ?person foaf:firstName 'Bill' }
INSERT { ?person foaf:firstName 'William' }
WHERE
  { ?person a foaf:Person .
    ?person foaf:firstName 'Bill'
  } 
