As a result, we choose a dropout rate of 20% for the remaining experiments, which strikes the balance between over-System Accuracy CRF Baseline <cite>(Li et al., 2015)</cite> 94.10 CRF Stacking <cite>(Li et al., 2015)</cite> 94.81 CRF Multi-view <cite>(Li et al., 2015)</cite> 95 Table 2 : Accuracies on CTB-test.