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Hybrid Multi-stage Decoding for Few-shot NER with Entity-aware Contrastive Learning
April 11, 2024, 4:47 a.m. | Peipei Liu, Gaosheng Wang, Ying Tong, Jian Liang, Zhenquan Ding, Hongsong Zhu
cs.CL updates on arXiv.org arxiv.org
Abstract: Few-shot named entity recognition can identify new types of named entities based on a few labeled examples. Previous methods employing token-level or span-level metric learning suffer from the computational burden and a large number of negative sample spans. In this paper, we propose the Hybrid Multi-stage Decoding for Few-shot NER with Entity-aware Contrastive Learning (MsFNER), which splits the general NER into two stages: entity-span detection and entity classification. There are 3 processes for introducing MsFNER: …
abstract arxiv computational cs.cl decoding examples few-shot hybrid identify negative ner paper recognition sample stage token type types
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