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Multi-head three-affine attention mechanism for nested named entity recognition

Abstract Named Entity Recognition (NER) is commonly treated as a sequence labeling task, which encounters significant challenges when named entities appear in nested forms. Span-based methods, which enumerate all possible spans in a sentence as candidate entities and then classify them, provide a st...

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I tiakina i:
Ngā kaituhi matua: Yuelong Zhang, Songpu Li, Tingyao Jiang, Xiaosheng Yu, Xiaolong Li, Tianrui Lyu, Guoqiu He, Wenyuan Zhou, Yingrui Fu, Yangxi Zhang
Hōputu: Artigo
Reo:Inglês
I whakaputaina: Springer 2026-05-01
Rangatū:Discover Artificial Intelligence
Ngā marau:
Multi-head
Tri-affine mechanism
Attention mechanism
Nested named entity
Span
Urunga tuihono:https://doi.org/10.1007/s44163-026-01357-2
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