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Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

计算与语言 · 计算机科学 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

Deep learning has yielded state-of-the-art performance on many natural language processing tasks including named entity recognition (NER). However, this typically requires large amounts of labeled data. In this work, we demonstrate that the…

计算与语言 · 计算机科学 2018-02-06 Yanyao Shen , Hyokun Yun , Zachary C. Lipton , Yakov Kronrod , Animashree Anandkumar

Distant supervision is a widely applied approach to automatic training of relation extraction systems and has the advantage that it can generate large amounts of labelled data with minimal effort. However, this data may contain errors and…

计算与语言 · 计算机科学 2015-09-15 Roland Roller , Eneko Agirre , Aitor Soroa , Mark Stevenson

Named Entity Recognition (NER) performance often degrades rapidly when applied to target domains that differ from the texts observed during training. When in-domain labelled data is available, transfer learning techniques can be used to…

计算与语言 · 计算机科学 2020-05-01 Pierre Lison , Aliaksandr Hubin , Jeremy Barnes , Samia Touileb

In contrastive self-supervised learning, positive samples are typically drawn from the same image but in different augmented views, resulting in a relatively limited source of positive samples. An effective way to alleviate this problem is…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Xianzhong Long , Chen Peng , Yun Li

Supervised learning on Deep Neural Networks (DNNs) is data hungry. Optimizing performance of DNN in the presence of noisy labels has become of paramount importance since collecting a large dataset will usually bring in noisy labels.…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Shuyu Kong , You Li , Jia Wang , Amin Rezaei , Hai Zhou

kNN is a very effective Instance based learning method, and it is easy to implement. Due to heterogeneous nature of data, noises from different possible sources are also widespread in nature especially in case of large-scale databases. For…

机器学习 · 计算机科学 2020-05-19 Joydip Dhar , Ashaya Shukla , Mukul Kumar , Prashant Gupta

Named Entity Recognition seeks to extract substrings within a text that name real-world objects and to determine their type (for example, whether they refer to persons or organizations). In this survey, we first present an overview of…

计算与语言 · 计算机科学 2024-12-23 Imed Keraghel , Stanislas Morbieu , Mohamed Nadif

Distantly supervision automatically generates plenty of training samples for relation extraction. However, it also incurs two major problems: noisy labels and imbalanced training data. Previous works focus more on reducing wrongly labeled…

计算与语言 · 计算机科学 2021-05-24 Chenhao Xie , Jiaqing Liang , Jingping Liu , Chengsong Huang , Wenhao Huang , Yanghua Xiao

Deep neural networks (DNNs) have demonstrated exceptional performance across various image segmentation tasks. However, the process of preparing datasets for training segmentation DNNs is both labor-intensive and costly, as it typically…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Yixin Zhang , Shen Zhao , Hanxue Gu , Maciej A. Mazurowski

Named entity recognition (NER) is used to extract information from various documents and texts such as names and dates. It is important to extract education and work experience information from resumes in order to filter them. Considering…

计算与语言 · 计算机科学 2023-06-23 Ege Kesim , Aysu Deliahmetoglu

Recent advancements in semi-supervised deep learning have introduced effective strategies for leveraging both labeled and unlabeled data to improve classification performance. This work proposes a semi-supervised framework that utilizes a…

机器学习 · 计算机科学 2025-05-21 Aydin Abedinia , Shima Tabakhi , Vahid Seydi

Distant and weak supervision allow to obtain large amounts of labeled training data quickly and cheaply, but these automatic annotations tend to contain a high amount of errors. A popular technique to overcome the negative effects of these…

机器学习 · 计算机科学 2021-03-02 Michael A. Hedderich , Dawei Zhu , Dietrich Klakow

Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

计算与语言 · 计算机科学 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

With the fast development of Deep Learning techniques, Named Entity Recognition (NER) is becoming more and more important in the information extraction task. The greatest difficulty that the NER task faces is to keep the detectability even…

计算与语言 · 计算机科学 2024-01-23 Xin Chen , Qi Zhao , Xinyang Liu

Distant supervision for relation extraction provides uniform bag labels for each sentence inside the bag, while accurate sentence labels are important for downstream applications that need the exact relation type. Directly using bag labels…

计算与语言 · 计算机科学 2021-06-23 Ruotian Ma , Tao Gui , Linyang Li , Qi Zhang , Yaqian Zhou , Xuanjing Huang

Named Entity Recognition (NER) is an important subtask of information extraction that seeks to locate and recognise named entities. Despite recent achievements, we still face limitations in correctly detecting and classifying entities,…

信息检索 · 计算机科学 2018-09-07 Diego Esteves

Most state-of-the-art models for named entity recognition (NER) rely on the availability of large amounts of labeled data, making them challenging to extend to new, lower-resourced languages. However, there are now several proposed…

计算与语言 · 计算机科学 2019-08-27 Aditi Chaudhary , Jiateng Xie , Zaid Sheikh , Graham Neubig , Jaime G. Carbonell

Large-scale supervised classification algorithms, especially those based on deep convolutional neural networks (DCNNs), require vast amounts of training data to achieve state-of-the-art performance. Decreasing this data requirement would…

计算机视觉与模式识别 · 计算机科学 2016-06-15 Maya Kabkab , Azadeh Alavi , Rama Chellappa

The real-world facial expression recognition (FER) datasets suffer from noisy annotations due to crowd-sourcing, ambiguity in expressions, the subjectivity of annotators and inter-class similarity. However, the recent deep networks have…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Darshan Gera , Naveen Siva Kumar Badveeti , Bobbili Veerendra Raj Kumar , S Balasubramanian