Sample codepiction query

SELECT ?thumb, ?name, ?dd, ?mbox, ?uri WHERE 
   (foaf::depiction ?x ?uri) 
   (foaf::depiction ?z ?uri) 
   (foaf::mbox ?x mailto:danbri@w3.org) 
   (foaf::mbox ?z ?mbox) 
   (foaf::name ?z ?name) 
   (foaf::thumbnail ?uri ?thumb) 
   (dc::description ?uri ?dd) 
 USING foaf for http://xmlns.com/foaf/0.1/ "+
 dc for http://purl.org/dc/elements/1.1/ "