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Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text. To model such properties, one could rely on…

计算与语言 · 计算机科学 2020-10-30 Yuyang Nie , Yuanhe Tian , Yan Song , Xiang Ao , Xiang Wan

Named entity recognition (NER) is one of the best studied tasks in natural language processing. However, most approaches are not capable of handling nested structures which are common in many applications. In this paper we introduce a novel…

计算与语言 · 计算机科学 2019-08-12 Joseph Fisher , Andreas Vlachos

Few-shot NER needs to effectively capture information from limited instances and transfer useful knowledge from external resources. In this paper, we propose a self-describing mechanism for few-shot NER, which can effectively leverage…

计算与语言 · 计算机科学 2022-03-24 Jiawei Chen , Qing Liu , Hongyu Lin , Xianpei Han , Le Sun

We propose an efficient modeling framework for cross-lingual named entity recognition in semi-structured text data. Our approach relies on both knowledge distillation and consistency training. The modeling framework leverages knowledge from…

计算与语言 · 计算机科学 2023-07-19 Sunisth Kumar , Davide Liu , Alexandre Boulenger

Named entity recognition (NER) is a fundamental component in many applications, such as Web Search and Voice Assistants. Although deep neural networks greatly improve the performance of NER, due to the requirement of large amounts of…

计算与语言 · 计算机科学 2021-06-02 Shining Liang , Ming Gong , Jian Pei , Linjun Shou , Wanli Zuo , Xianglin Zuo , Daxin Jiang

For several purposes in Natural Language Processing (NLP), such as Information Extraction, Sentiment Analysis or Chatbot, Named Entity Recognition (NER) holds an important role as it helps to determine and categorize entities in text into…

计算与语言 · 计算机科学 2020-03-24 Thong Nguyen , Duy Nguyen , Pramod Rao

We introduce FewTopNER, a novel framework that integrates few-shot named entity recognition (NER) with topic-aware contextual modeling to address the challenges of cross-lingual and low-resource scenarios. FewTopNER leverages a shared…

计算与语言 · 计算机科学 2025-02-05 Ibrahim Bouabdallaoui , Fatima Guerouate , Samya Bouhaddour , Chaimae Saadi , Mohammed Sbihi

Lately, instruction-based techniques have made significant strides in improving performance in few-shot learning scenarios. They achieve this by bridging the gap between pre-trained language models and fine-tuning for specific downstream…

信息检索 · 计算机科学 2024-01-25 Hiranmai Sri Adibhatla , Pavan Baswani , Manish Shrivastava

To better tackle the named entity recognition (NER) problem on languages with little/no labeled data, cross-lingual NER must effectively leverage knowledge learned from source languages with rich labeled data. Previous works on…

计算与语言 · 计算机科学 2020-07-16 Qianhui Wu , Zijia Lin , Börje F. Karlsson , Jian-Guang Lou , Biqing Huang

Named entity recognition is a fundamental task in natural language processing, identifying the span and category of entities in unstructured texts. The traditional sequence labeling methodology ignores the nested entities, i.e. entities…

计算与语言 · 计算机科学 2022-10-24 Xueru Wen , Changjiang Zhou , Haotian Tang , Luguang Liang , Yu Jiang , Hong Qi

Most Named Entity Recognition (NER) models operate under the assumption that training datasets are fully labelled. While it is valid for established datasets like CoNLL 2003 and OntoNotes, sometimes it is not feasible to obtain the complete…

计算与语言 · 计算机科学 2022-11-29 Viktor Scherbakov , Vladimir Mayorov

Nested named entity recognition identifies entities contained within other entities, but requires expensive multi-level annotation. While flat NER corpora exist abundantly, nested resources remain scarce. We investigate whether models can…

计算与语言 · 计算机科学 2026-03-03 Igor Rozhkov , Natalia Loukachevitch

Named Entity Recognition (NER) is a fundamental task in Natural Language Processing, concerned with identifying spans of text expressing references to entities. NER research is often focused on flat entities only (flat NER), ignoring the…

计算与语言 · 计算机科学 2020-06-16 Juntao Yu , Bernd Bohnet , Massimo Poesio

Named Entity Recognition (NER) is a machine learning task that traditionally relies on supervised learning and annotated data. Acquiring such data is often a challenge, particularly in specialized fields like medical, legal, and financial…

Named entity recognition (NER) has been one of the essential preliminary steps in modern NLP applications. This report focuses on implementing the NER task on finetuning two pretrained models: (i) an encoder-only model (BERT) with a simple…

计算与语言 · 计算机科学 2026-05-19 Mei Jia

In this paper, we study the few-shot multi-label classification for user intent detection. For multi-label intent detection, state-of-the-art work estimates label-instance relevance scores and uses a threshold to select multiple associated…

计算与语言 · 计算机科学 2020-10-13 Yutai Hou , Yongkui Lai , Yushan Wu , Wanxiang Che , Ting Liu

This paper presents a simple and effective approach in low-resource named entity recognition (NER) based on multi-hop dependency trigger. Dependency trigger refer to salient nodes relative to a entity in the dependency graph of a context…

计算与语言 · 计算机科学 2022-08-16 Jiangxu Wu

Named entity recognition (NER) is a fundamental part of extracting information from documents in biomedical applications. A notable advantage of NER is its consistency in extracting biomedical entities in a document context. Although…

计算与语言 · 计算机科学 2022-10-25 Minbyul Jeong , Jaewoo Kang

In the domain of Natural Language Processing (NLP), Named Entity Recognition (NER) stands out as a pivotal mechanism for extracting structured insights from unstructured text. This manuscript offers an exhaustive exploration into the…

计算与语言 · 计算机科学 2023-09-26 Kalyani Pakhale

Accurate Named Entity Recognition (NER) is crucial for various information retrieval tasks in industry. However, despite significant progress in traditional NER methods, the extraction of Complex Named Entities remains a relatively…

信息检索 · 计算机科学 2023-05-11 Hsiu-Wei Yang , Abhinav Agrawal