A manually annotated Vietnamese COVID-19 NER dataset with 11 entity types and up to four nesting levels, plus BiLSTM and PhoBERT baselines where PhoBERT-large-CRF with cross-sentence context achieved the highest F1.
Kingma and Jimmy Ba
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Nested Named-Entity Recognition on Vietnamese COVID-19: Dataset and Experiments
A manually annotated Vietnamese COVID-19 NER dataset with 11 entity types and up to four nesting levels, plus BiLSTM and PhoBERT baselines where PhoBERT-large-CRF with cross-sentence context achieved the highest F1.