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Fine-Grained Argument Unit Recognition and Classification

AAAI 2020 · Label-efficient and robust learning › Recognition and long-tail · approach: Multilingual language representation pretraining · 42 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add a CRF sequence-labeling layer (ablation)BERT_LARGE in token-level AURC · AURC-8 in-domain testtoken F1: .683 -> .696Helped
Add a CRF sequence-labeling layer (ablation)BERT_LARGE in token-level AURC · AURC-8 cross-domain testsegment F1: .626 -> .649Helped
Add a CRF sequence-labeling layer (ablation)BERT_LARGE in sentence-level AURC · AURC-8 in-domain testsentence F1: .715 -> .725Helped
Add a CRF sequence-labeling layer (ablation)BERT_LARGE in sentence-level AURC · AURC-8 cross-domain testtoken F1: .544 -> .519Hurt
Use BERT_LARGE instead of BERT_BASEtoken-level AURC · AURC-8 in-domain testtoken F1: .654 -> .683Helped
Include the topic as an additional model inputBERT AURC models · AURC-8F1Helped
Annotate argument spans at token level rather than sentence levelAURC-8 argument retrieval annotations · AURC-8 totalnumber of argument units: +10.51Helped
Constrain spans with a slot-filling argument templateexpert annotation of argument units · 160 sampled sentencesKrippendorff alpha_u_nom: 0.51 -> 0.61Helped
Use token-level rather than sentence-level setup without sentence-boundary informationBERT_LARGE models · AURC-8 cross-domain test, sequences crossing sentence boundariessegment F1: .154 -> .538Helped

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