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Here we present the training and evaluation of NanoNER, a Named Entity Recognition (NER) model for Nanobiology. NER consists in the identification of specific entities in spans of unstructured texts and is often a primary task in Natural…

信息检索 · 计算机科学 2024-02-07 Martin Lentschat , Cyril Labbé , Ran Cheng

Recent years have witnessed the burgeoning of pretrained language models (LMs) for text-based natural language (NL) understanding tasks. Such models are typically trained on free-form NL text, hence may not be suitable for tasks like…

计算与语言 · 计算机科学 2020-05-19 Pengcheng Yin , Graham Neubig , Wen-tau Yih , Sebastian Riedel

Data augmentation is an effective solution to data scarcity in low-resource scenarios. However, when applied to token-level tasks such as NER, data augmentation methods often suffer from token-label misalignment, which leads to…

计算与语言 · 计算机科学 2022-03-21 Ran Zhou , Xin Li , Ruidan He , Lidong Bing , Erik Cambria , Luo Si , Chunyan Miao

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

Both generic and domain-specific BERT models are widely used for natural language processing (NLP) tasks. In this paper we investigate the vulnerability of BERT models to variation in input data for Named Entity Recognition (NER) through…

计算与语言 · 计算机科学 2022-02-01 Anne Dirkson , Suzan Verberne , Wessel Kraaij

Training a Named Entity Recognition (NER) model often involves fixing a taxonomy of entity types. However, requirements evolve and we might need the NER model to recognize additional entity types. A simple approach is to re-annotate entire…

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

Language model (LM) pretraining has led to consistent improvements in many NLP downstream tasks, including named entity recognition (NER). In this paper, we present T-NER (Transformer-based Named Entity Recognition), a Python library for…

计算与语言 · 计算机科学 2022-09-27 Asahi Ushio , Jose Camacho-Collados

Current work in named entity recognition (NER) shows that data augmentation techniques can produce more robust models. However, most existing techniques focus on augmenting in-domain data in low-resource scenarios where annotated data is…

计算与语言 · 计算机科学 2021-09-07 Shuguang Chen , Gustavo Aguilar , Leonardo Neves , Thamar Solorio

Pre-trained language models have recently contributed to significant advances in NLP tasks. Recently, multi-modal versions of BERT have been developed, using heavy pre-training relying on vast corpora of aligned textual and image data,…

计算与语言 · 计算机科学 2020-12-17 Thomas Scialom , Patrick Bordes , Paul-Alexis Dray , Jacopo Staiano , Patrick Gallinari

Code-switching, or alternating between languages within a single conversation, presents challenges for multilingual language models on NLP tasks. This research investigates if pre-training Multilingual BERT (mBERT) on code-switched datasets…

计算与语言 · 计算机科学 2025-03-12 Katherine Xie , Nitya Babbar , Vicky Chen , Yoanna Turura

The state-of-the-art named entity recognition (NER) systems are statistical machine learning models that have strong generalization capability (i.e., can recognize unseen entities that do not appear in training data) based on lexical and…

计算与语言 · 计算机科学 2019-11-04 Jian Ni , Radu Florian

This study proposes a medical entity extraction method based on Transformer to enhance the information extraction capability of medical literature. Considering the professionalism and complexity of medical texts, we compare the performance…

计算与语言 · 计算机科学 2025-04-08 Xiaokai Wang , Guiran Liu , Binrong Zhu , Jacky He , Hongye Zheng , Hanlu Zhang

Few-shot named entity recognition (NER) systems recognize entities using a few labeled training examples. The general pipeline consists of a span detector to identify entity spans in text and an entity-type classifier to assign types to…

计算与语言 · 计算机科学 2024-06-21 Chang Tian , Wenpeng Yin , Dan Li , Marie-Francine Moens

Named Entity Recognition (NER) is a useful component in Natural Language Processing (NLP) applications. It is used in various tasks such as Machine Translation, Summarization, Information Retrieval, and Question-Answering systems. The…

Recently, fine-tuning pre-trained language models (e.g., multilingual BERT) to downstream cross-lingual tasks has shown promising results. However, the fine-tuning process inevitably changes the parameters of the pre-trained model and…

计算与语言 · 计算机科学 2020-10-06 Zihan Liu , Genta Indra Winata , Andrea Madotto , Pascale Fung

The pre-trained language model is trained on large-scale unlabeled text and can achieve state-of-the-art results in many different downstream tasks. However, the current pre-trained language model is mainly concentrated in the Chinese and…

计算与语言 · 计算机科学 2022-05-17 Yuan Sun , Sisi Liu , Junjie Deng , Xiaobing Zhao

We cast nested named entity recognition (NNER) as a sequence labeling task by leveraging prior work that linearizes constituency structures, effectively reducing the complexity of this structured prediction problem to straightforward token…

计算与语言 · 计算机科学 2025-09-30 Alberto Muñoz-Ortiz , David Vilares , Caio Corro , Carlos Gómez-Rodríguez

Increasing model size when pretraining natural language representations often results in improved performance on downstream tasks. However, at some point further model increases become harder due to GPU/TPU memory limitations and longer…

计算与语言 · 计算机科学 2020-02-11 Zhenzhong Lan , Mingda Chen , Sebastian Goodman , Kevin Gimpel , Piyush Sharma , Radu Soricut

When combined with In-Context Learning, a technique that enables models to adapt to new tasks by incorporating task-specific examples or demonstrations directly within the input prompt, autoregressive language models have achieved good…

计算与语言 · 计算机科学 2024-10-18 Enzo Shiraishi , Raphael Y. de Camargo , Henrique L. P. Silva , Ronaldo C. Prati