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Distantly supervised named entity recognition (DS-NER) efficiently reduces labor costs but meanwhile intrinsically suffers from the label noise due to the strong assumption of distant supervision. Typically, the wrongly labeled instances…

计算与语言 · 计算机科学 2023-02-16 Xinghua Zhang , Bowen Yu , Tingwen Liu , Zhenyu Zhang , Jiawei Sheng , Mengge Xue , Hongbo Xu

Currently, machine learning techniques have seen significant success across various applications. Most of these techniques rely on supervision from human-generated labels or a mixture of noisy and imprecise labels from multiple sources.…

计算与语言 · 计算机科学 2024-09-04 Yanbo Wang , Wenyu Chen , Shimin Shan

Training a deep neural network heavily relies on a large amount of training data with accurate annotations. To alleviate this problem, various methods have been proposed to annotate the data automatically. However, automatically generating…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Yi Wei , Xue Mei , Xin Liu , Pengxiang Xu

Wrong-labeling problem and long-tail relations severely affect the performance of distantly supervised relation extraction task. Many studies mitigate the effect of wrong-labeling through selective attention mechanism and handle long-tail…

计算与语言 · 计算机科学 2022-04-26 Ridong Han , Tao Peng , Jiayu Han , Hai Cui , Lu Liu

The need for labeled data is among the most common and well-known practical obstacles to deploying deep learning algorithms to solve real-world problems. The current generation of learning algorithms requires a large volume of data labeled…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Aaron Reite , Scott Kangas , Zackery Steck , Steven Goley , Jonathan Von Stroh , Steven Forsyth

Knowledge-based question answering relies on the availability of facts, the majority of which cannot be found in structured sources (e.g. Wikipedia info-boxes, Wikidata). One of the major components of extracting facts from unstructured…

计算与语言 · 计算机科学 2018-03-28 Christos Christodoulopoulos , Arpit Mittal

Relation extraction is essential for extracting and understanding biographical information in the context of digital humanities and related subjects. There is a growing interest in the community to build datasets capable of training machine…

计算与语言 · 计算机科学 2024-03-28 Alistair Plum , Tharindu Ranasinghe , Christoph Purschke

Discourse parsing could not yet take full advantage of the neural NLP revolution, mostly due to the lack of annotated datasets. We propose a novel approach that uses distant supervision on an auxiliary task (sentiment classification), to…

计算与语言 · 计算机科学 2019-11-01 Patrick Huber , Giuseppe Carenini

The application of cross-dataset training in object detection tasks is complicated because the inconsistency in the category range across datasets transforms fully supervised learning into semi-supervised learning. To address this problem,…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Ze Chen , Zhihang Fu , Jianqiang Huang , Mingyuan Tao , Shengyu Li , Rongxin Jiang , Xiang Tian , Yaowu Chen , Xian-sheng Hua

For high-resource languages like English, text classification is a well-studied task. The performance of modern NLP models easily achieves an accuracy of more than 90% in many standard datasets for text classification in English (Xie et…

计算与语言 · 计算机科学 2022-06-06 Dawei Zhu , Michael A. Hedderich , Fangzhou Zhai , David Ifeoluwa Adelani , Dietrich Klakow

To effectively train accurate Relation Extraction models, sufficient and properly labeled data is required. Adequately labeled data is difficult to obtain and annotating such data is a tricky undertaking. Previous works have shown that…

计算与语言 · 计算机科学 2022-12-15 Michael Strobl , Amine Trabelsi , Osmar Zaiane

Distant supervision assumes that any sentence containing the same entity pairs reflects identical relationships. Previous works of distantly supervised relation extraction (DSRE) task generally focus on sentence-level or bag-level…

计算与语言 · 计算机科学 2022-03-03 Dongyang Li , Taolin Zhang , Nan Hu , Chengyu Wang , Xiaofeng He

Current deep learning paradigms largely benefit from the tremendous amount of annotated data. However, the quality of the annotations often varies among labelers. Multi-observer studies have been conducted to study these annotation…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Xiaosong Wang , Ziyue Xu , Dong Yang , Leo Tam , Holger Roth , Daguang Xu

Despite the success of deep neural networks (DNNs) in image classification tasks, the human-level performance relies on massive training data with high-quality manual annotations, which are expensive and time-consuming to collect. There…

机器学习 · 计算机科学 2019-04-15 Junnan Li , Yongkang Wong , Qi Zhao , Mohan Kankanhalli

The performance of relation extraction models has increased considerably with the rise of neural networks. However, a key issue of neural relation extraction is robustness: the models do not scale well to long sentences with multiple…

计算与语言 · 计算机科学 2021-04-23 Heike Adel , Jannik Strötgen

In this paper, we propose a method for training neural networks when we have a large set of data with weak labels and a small amount of data with true labels. In our proposed model, we train two neural networks: a target network, the…

机器学习 · 统计学 2017-12-01 Mostafa Dehghani , Aliaksei Severyn , Sascha Rothe , Jaap Kamps

The success of deep learning requires high-quality annotated and massive data. However, the size and the quality of a dataset are usually a trade-off in practice, as data collection and cleaning are expensive and time-consuming. In…

计算与语言 · 计算机科学 2023-06-16 Ruibin Yuan , Hanzhi Yin , Yi Wang , Yifan He , Yushi Ye , Lei Zhang , Zhizheng Wu

The main purpose of relation extraction is to extract the semantic relationships between tagged pairs of entities in a sentence, which plays an important role in the semantic understanding of sentences and the construction of knowledge…

计算与语言 · 计算机科学 2023-03-21 Chenghong Sun , Weidong Ji , Guohui Zhou , Hui Guo , Zengxiang Yin , Yuqi Yue

Deep neural networks (DNNs) fail to learn effectively under label noise and have been shown to memorize random labels which affect their generalization performance. We consider learning in isolation, using one-hot encoded labels as the sole…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Fahad Sarfraz , Elahe Arani , Bahram Zonooz

Relation Extraction refers to the task of populating a database with tuples of the form $r(e_1, e_2)$, where $r$ is a relation and $e_1$, $e_2$ are entities. Distant supervision is one such technique which tries to automatically generate…

人工智能 · 计算机科学 2017-05-11 Gagan Madan
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