ratings_pre = []
    db = Database()
    places = []
    formated_ratings = []

    for i in range(1, (items_length) + 1):
        predict = algo.predict(user_id, i, r_ui=4)
        if not predict.details['was_impossible']:
            dictionary = {
                'user': user_id,
                'item': i,
                'est_rating': float(predict.est)
            }
            ratings_pre.append(dictionary)

    for place in ratings_pre:
        places.append(db.findByIdPlaces(place['item']))

    for i in range(len(ratings_pre)):
        dict_ = {
            "placeId": ratings_pre[i]['item'],
            "userId": ratings_pre[i]['user'],
            "rate_prevision": ratings_pre[i]['est_rating'],
            "name": places[i]["name"],
            "photoUrl": places[i]["photoUrl"],
            "rate_user": 0,
            "algorithm": "SVD"
        }
        formated_ratings.append(dict_)

    return formated_ratings