SELECT ?x, ?name, ?mbox_sha1sum, ?country, ?review, ?product, ?title
WHERE (rev::reviewer :ReviewXYZ ?x)
      (foaf::name ?x ?name)
      (foaf::mbox_sha1sum ?x ?mbox_sha1sum)
      (bsbm::country ?x ?country)
      (rev::reviewer ?review ?x)
      (bsbm::reviewFor ?review ?product)
      (dc::title ?review ?title)
