It is apparent that the MUC score does not vary significantly between systems. This only shows that none of them is particularly poor, but it is not a relevant way of comparing methods-the MUC metric has been found too indulgent by researchers (<cite> (Luo et al., 2004)</cite> , (Baldwin et al., 1998) Table 4 : Comparison of results between three clusterization algorithms on ACE Phase 2.