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Learning with noisy labels has become an effective strategy for enhancing the robustness of models, which enables models to better tolerate inaccurate data. Existing methods either focus on optimizing the loss function to mitigate the…

Artificial Intelligence · Computer Science 2024-06-04 Xiaming Che , Junlin Zhang , Zhuang Qi , Xin Qi

Label noise is ubiquitous in real-world scenarios, posing a practical challenge to supervised models due to its effect in hurting the generalization performance of deep neural networks. Existing methods primarily employ the sample selection…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Mengmeng Sheng , Zeren Sun , Tao Chen , Shuchao Pang , Yucheng Wang , Yazhou Yao

Contrastive-learning-based methods have dominated sentence representation learning. These methods regularize the representation space by pulling similar sentence representations closer and pushing away the dissimilar ones and have been…

Computation and Language · Computer Science 2024-01-25 Xinghao Wang , Junliang He , Pengyu Wang , Yunhua Zhou , Tianxiang Sun , Xipeng Qiu

A crucial aspect of a knowledge base population system that extracts new facts from text corpora, is the generation of training data for its relation extractors. In this paper, we present a method that maximizes the effectiveness of newly…

Computation and Language · Computer Science 2016-03-04 Lucas Sterckx , Thomas Demeester , Johannes Deleu , Chris Develder

Deep neural networks (DNNs) with noisy weights, which we refer to as noisy neural networks (NoisyNNs), arise from the training and inference of DNNs in the presence of noise. NoisyNNs emerge in many new applications, including the wireless…

Machine Learning · Computer Science 2023-07-26 Yulin Shao , Soung Chang Liew , Deniz Gunduz

Knowledge is a formal way of understanding the world, providing a human-level cognition and intelligence for the next-generation artificial intelligence (AI). One of the representations of knowledge is semantic relations between entities.…

Computation and Language · Computer Science 2021-02-09 Hailin Wang , Ke Qin , Rufai Yusuf Zakari , Guoming Lu , Jin Yin

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…

Computation and Language · Computer Science 2024-03-28 Alistair Plum , Tharindu Ranasinghe , Christoph Purschke

The essence of distantly supervised relation extraction is that it is an incomplete multi-label classification problem with sparse and noisy features. To tackle the sparsity and noise challenges, we propose solving the classification…

Computation and Language · Computer Science 2014-11-18 Miao Fan , Deli Zhao , Qiang Zhou , Zhiyuan Liu , Thomas Fang Zheng , Edward Y. Chang

Visual sentiment analysis has received increasing attention in recent years. However, the dataset's quality is a concern because the sentiment labels are crowd-sourcing, subjective, and prone to mistakes, and poses a severe threat to the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Wei Zhu , Zihe Zheng , Haitian Zheng , Hanjia Lyu , Jiebo Luo

Most information extraction methods focus on binary relations expressed within single sentences. In high-value domains, however, $n$-ary relations are of great demand (e.g., drug-gene-mutation interactions in precision oncology). Such…

Computation and Language · Computer Science 2019-06-28 Robin Jia , Cliff Wong , Hoifung Poon

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…

Machine Learning · Computer Science 2020-05-19 Joydip Dhar , Ashaya Shukla , Mukul Kumar , Prashant Gupta

Relation extraction is used to populate knowledge bases that are important to many applications. Prior datasets used to train relation extraction models either suffer from noisy labels due to distant supervision, are limited to certain…

Computation and Language · Computer Science 2021-02-22 Robert Ormandi , Mohammad Saleh , Erin Winter , Vinay Rao

In this paper, we propose a new differentiable neural network alignment mechanism for text-dependent speaker verification which uses alignment models to produce a supervector representation of an utterance. Unlike previous works with…

Sound · Computer Science 2018-12-27 Victoria Mingote , Antonio Miguel , Alfonso Ortega , Eduardo Lleida

We present ReasonBert, a pre-training method that augments language models with the ability to reason over long-range relations and multiple, possibly hybrid contexts. Unlike existing pre-training methods that only harvest learning signals…

Computation and Language · Computer Science 2021-09-13 Xiang Deng , Yu Su , Alyssa Lees , You Wu , Cong Yu , Huan Sun

Objective: To automatically create large labeled training datasets and reduce the efforts of feature engineering for training accurate machine learning models for clinical information extraction. Materials and Methods: We propose a distant…

Information Retrieval · Computer Science 2018-04-24 Yanshan Wang , Sunghwan Sohn , Sijia Liu , Feichen Shen , Liwei Wang , Elizabeth J. Atkinson , Shreyasee Amin , Hongfang Liu

Deep learning methods have shown outstanding classification accuracy in medical imaging problems, which is largely attributed to the availability of large-scale datasets manually annotated with clean labels. However, given the high cost of…

Image and Video Processing · Electrical Eng. & Systems 2023-08-10 Yuanhong Chen , Fengbei Liu , Hu Wang , Chong Wang , Yu Tian , Yuyuan Liu , Gustavo Carneiro

Datasets with significant proportions of noisy (incorrect) class labels present challenges for training accurate Deep Neural Networks (DNNs). We propose a new perspective for understanding DNN generalization for such datasets, by…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Xingjun Ma , Yisen Wang , Michael E. Houle , Shuo Zhou , Sarah M. Erfani , Shu-Tao Xia , Sudanthi Wijewickrema , James Bailey

With recent advances in distantly supervised (DS) relation extraction (RE), considerable attention is attracted to leverage multi-instance learning (MIL) to distill high-quality supervision from the noisy DS. Here, we go beyond label noise…

Computation and Language · Computer Science 2021-06-22 Tao Chen , Haochen Shi , Liyuan Liu , Siliang Tang , Jian Shao , Zhigang Chen , Yueting Zhuang

The task of automatic language identification (LID) involving multiple dialects of the same language family in the presence of noise is a challenging problem. In these scenarios, the identity of the language/dialect may be reliably present…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-06 Bharat Padi , Anand Mohan , Sriram Ganapathy

The Transformer translation model (Vaswani et al., 2017) based on a multi-head attention mechanism can be computed effectively in parallel and has significantly pushed forward the performance of Neural Machine Translation (NMT). Though…

Computation and Language · Computer Science 2020-06-26 Hongfei Xu , Josef van Genabith , Deyi Xiong , Qiuhui Liu , Jingyi Zhang