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Research on Named Entity Recognition Based on Multi-Task Learning and Biaffine Mechanism
Commonly used nested entity recognition methods are span-based entity recognition methods, which focus on learning the head and tail representations of entities. This method lacks obvious boundary supervision, which leads to the failure of the correct candidate entities to be predicted, resulting in...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Hindawi
2022
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9436550/ https://www.ncbi.nlm.nih.gov/pubmed/36059424 http://dx.doi.org/10.1155/2022/2687615 |