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Table 13

Performance comparison of POS tag and lemma on the CoNLL-2009 English test set. Full Model refers to the sequence-based model with syntax GCN encoder, which leverages POS tag, lemma, syntax tree.

Systemw/ ELMow/ BERT
PRSem-F1PRSem-F1
Full Model 90.3 89.3 89.8 91.1 89.5 90.3 
 -POS 89.8 89.2 89.5 91.0 89.4 90.2 
 -Lemma 90.1 89.1 89.6 91.1 89.5 90.3 
Systemw/ ELMow/ BERT
PRSem-F1PRSem-F1
Full Model 90.3 89.3 89.8 91.1 89.5 90.3 
 -POS 89.8 89.2 89.5 91.0 89.4 90.2 
 -Lemma 90.1 89.1 89.6 91.1 89.5 90.3 
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