def normalize_column(ordered_matrix):
    """
    For a given result of search, returns a normalized score (between 1 and 0)
    :param ordered_matrix: (list) Result of a search
    :return: (list) Normalized result of a search
    """

    max_value = ordered_matrix[0][1]
    normalized_matrix = [(row[0], row[1]/max_value) for row in ordered_matrix]

    return normalized_matrix