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Unified Named Entity Recognition as Word-Word Relation Classification

AAAI 2022 · Label-efficient and robust learning › Recognition and long-tail · approach: Multilingual language representation pretraining · 392 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Remove region embeddings (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.80 (-0.27); 86.39 (-0.40); 72.56 (-0.65)Helped
Remove distance embeddings (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.89 (-0.18); 86.47 (-0.32); 72.66 (-0.55)Helped
Remove all dilated convolutions (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.31 (-0.76); 86.07 (-0.72); 72.45 (-0.76)Helped
Remove DConv (l=1) (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 93.05 (-0.02); 86.64 (-0.15); 73.12 (-0.09)Helped
Remove DConv (l=2) (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.78 (-0.29); 86.58 (-0.21); 72.95 (-0.26)Helped
Remove DConv (l=3) (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.82 (-0.25); 86.59 (-0.20); 73.10 (-0.11)Helped
Remove biaffine predictor (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 93.02 (-0.05); 86.30 (-0.49); 72.71 (-0.50)Helped
Remove MLP predictor (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 91.87 (-1.20); 85.66 (-1.13); 68.04 (-5.17)Helped
Remove NNW relation (ablation)W²NER · CoNLL2003, ACE2005, CADECF1: 92.65 (-0.42); 86.23 (-0.56); 69.01 (-4.20)Helped

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