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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

The emergence and rapid progress of the Internet have brought ever-increasing impact on financial domain. How to rapidly and accurately mine the key information from the massive negative financial texts has become one of the key issues for…

计算与语言 · 计算机科学 2020-01-16 Lingyun Zhao , Lin Li , Xinhao Zheng

Named entity recognition (NER) of chemicals and drugs is a critical domain of information extraction in biochemical research. NER provides support for text mining in biochemical reactions, including entity relation extraction, attribute…

计算与语言 · 计算机科学 2020-12-22 Jian Liu , Lei Gao , Sujie Guo , Rui Ding , Xin Huang , Long Ye , Qinghua Meng , Asef Nazari , Dhananjay Thiruvady

Named entity recognition (NER) is a well-established task of information extraction which has been studied for decades. More recently, studies reporting NER experiments on social media texts have emerged. On the other hand, stance detection…

计算与语言 · 计算机科学 2017-08-01 Dilek Küçük

Existing models for cross-domain named entity recognition (NER) rely on numerous unlabeled corpus or labeled NER training data in target domains. However, collecting data for low-resource target domains is not only expensive but also…

计算与语言 · 计算机科学 2020-05-20 Zihan Liu , Genta Indra Winata , Pascale Fung

Previous transfer learning methods based on deep network assume the knowledge should be transferred between the same hidden layers of the source domain and the target domains. This assumption doesn't always hold true, especially when the…

机器学习 · 计算机科学 2018-09-25 Jianzhe Lin , Qi Wang , Rabab Ward , Z. Jane Wang

The use of BERT, one of the most popular language models, has led to improvements in many Natural Language Processing (NLP) tasks. One such task is Named Entity Recognition (NER) i.e. automatic identification of named entities such as…

计算与语言 · 计算机科学 2023-03-10 Harshil Darji , Jelena Mitrović , Michael Granitzer

There is a recent interest in investigating few-shot NER, where the low-resource target domain has different label sets compared with a resource-rich source domain. Existing methods use a similarity-based metric. However, they cannot make…

计算与语言 · 计算机科学 2021-06-04 Leyang Cui , Yu Wu , Jian Liu , Sen Yang , Yue Zhang

Zero-resource named entity recognition (NER) severely suffers from data scarcity in a specific domain or language. Most studies on zero-resource NER transfer knowledge from various data by fine-tuning on different auxiliary tasks. However,…

计算与语言 · 计算机科学 2021-07-23 Ying Zhang , Fandong Meng , Yufeng Chen , Jinan Xu , Jie Zhou

Although named entity recognition (NER) helps us to extract domain-specific entities from text (e.g., artists in the music domain), it is costly to create a large amount of training data or a structured knowledge base to perform accurate…

计算与语言 · 计算机科学 2023-06-07 Kosuke Nishida , Naoki Yoshinaga , Kyosuke Nishida

Named-entity recognition (NER) aims at identifying entities of interest in a text. Artificial neural networks (ANNs) have recently been shown to outperform existing NER systems. However, ANNs remain challenging to use for non-expert users.…

计算与语言 · 计算机科学 2017-05-17 Franck Dernoncourt , Ji Young Lee , Peter Szolovits

Supervised machine learning assumes the availability of fully-labeled data, but in many cases, such as low-resource languages, the only data available is partially annotated. We study the problem of Named Entity Recognition (NER) with…

计算与语言 · 计算机科学 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

Entity resolution (ER) is the task of identifying different representations of the same real-world entities across databases. It is a key step for knowledge base creation and text mining. Recent adaptation of deep learning methods for ER…

数据库 · 计算机科学 2019-06-20 Jungo Kasai , Kun Qian , Sairam Gurajada , Yunyao Li , Lucian Popa

Named Entity Recognition (NER) and Relation Classification (RC) are important steps in extracting information from unstructured text and formatting it into a machine-readable format. We present a survey of recent deep learning models that…

计算与语言 · 计算机科学 2024-03-28 Sakher Khalil Alqaaidi , Elika Bozorgi , Afsaneh Shams , Krzysztof Kochut

Biomedical Named Entity Recognition presents significant challenges due to the complexity of biomedical terminology and inconsistencies in annotation across datasets. This paper introduces SRU-NER (Slot-based Recurrent Unit NER), a novel…

计算与语言 · 计算机科学 2025-07-25 João Ruano , Gonçalo M. Correia , Leonor Barreiros , Afonso Mendes

Named Entity Recognition (NER), a classic sequence labelling task, is an essential component of natural language understanding (NLU) systems in task-oriented dialog systems for slot filling. For well over a decade, different methods from…

计算与语言 · 计算机科学 2018-12-07 Pratik Jayarao , Chirag Jain , Aman Srivastava

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

Named Entity Recognition for social media data is challenging because of its inherent noisiness. In addition to improper grammatical structures, it contains spelling inconsistencies and numerous informal abbreviations. We propose a novel…

计算与语言 · 计算机科学 2019-06-11 Gustavo Aguilar , Suraj Maharjan , Adrian Pastor López-Monroy , Thamar Solorio

Popular solutions to Named Entity Recognition (NER) include conditional random fields, sequence-to-sequence models, or utilizing the question-answering framework. However, they are not suitable for nested and overlapping spans with large…

计算与语言 · 计算机科学 2022-03-08 Hagen Soltau , Izhak Shafran , Mingqiu Wang , Laurent El Shafey

Motivation: State-of-the-art biomedical named entity recognition (BioNER) systems often require handcrafted features specific to each entity type, such as genes, chemicals and diseases. Although recent studies explored using neural network…

信息检索 · 计算机科学 2018-10-09 Xuan Wang , Yu Zhang , Xiang Ren , Yuhao Zhang , Marinka Zitnik , Jingbo Shang , Curtis Langlotz , Jiawei Han