The documentation for this function is taken from the case of the young rider classification (P4323) of 2017 Vuelta a Colombia (Q30129895). Each cyclist must be compulsorily attach a ranking (P1352) for its position. There may be as value as classified teams and the classification shall be made in order of points obtained. First position must have race time (P2781) to indicate race time and the others must have time gap (P2911) for time gap from first position.
