(defn names-per-domain [out usdir]
  (let [us (us-poi usdir)]
    (?<- out [!domain ?count]
      (us :#> 20 {2 !name 19 !url})
      (domain !url :> !domain)
      (:distinct true)
      (c/count :> ?count)
      (:sort ?count))))

===

11/03/30 15:36:11 INFO util.Util: using default application jar, may cause class not found exceptions on the cluster
11/03/30 15:36:11 INFO flow.MultiMapReducePlanner: using application jar: /home/aaron/workspace/canonicalize-cascalog/lib/cascading1.1-1.1.3-20100308.145053-4.jar
cascading.flow.PlannerException: could not build flow from assembly: [[7d4e4daf-f642-4de7-b5a...][sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)] unable to resolve sorting selector: [{1}:'?count__gen331'], with incoming: [{2}:'!domain__gen330', '!__gen332']] (NO_SOURCE_FILE:0)
canonicalize-cascalog.uspoi=> (load-file "src/clj/canonicalize_cascalog/uspoi.clj")
#'canonicalize-cascalog.uspoi/chris