Angucomplete-altの積みどころ ref: http://qiita.com/Rompei/items/9a69807f7d9fb98aaa8d

controllers.js

$scope.selectedFn = function($item){
  $scope.hoges[this.$parent.$index].huga = $item.title;
}

$scope.changedInput = function(huga){
  $scope.hoges[this.$parent.$index].huga = huga;
}

hoge.html

<div ng-repeat="hoge in hoges">
  <angucomplete-alt id="huga" selected-object="selectedFn" remote-url="/hoge?q=" title-field="hoge" input-changed="changedInput"/>
</div>