Structured Tuning for Semantic Role Labeling
Table 6: Ablation tests on CoNLL-05.
['CoNLL-05 (100%, 36k) Dev', 'CoNLL-05 (100%, 36k) P', 'CoNLL-05 (100%, 36k) R', 'CoNLL-05 (100%, 36k) F1', 'CoNLL-05 (100%, 36k)  [ITALIC] ρu', 'CoNLL-05 (100%, 36k)  [ITALIC] ρf']
Constraint Ablations We see that as models become more constrained, precision improves. Furthermore, one class of constraints do not necessarily reduce the violation rate for the others. Combining all three constraints offers a balance between precision, recall, and constraint violation.