function(doc) {
         if (doc.triplets) {
           for (var triplet in doc.triplets) {
             for (var component in doc.triplets[triplet]) {
               for (var property in doc.triplets[triplet][component]) {
                 log(doc.id);
                 log(component);
                 log(property);
                 emit([doc.id, component, property], triplet);
               }
             }
           }
         }
       }