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Data labeling in supervised learning is considered an expensive and infeasible tool in some conditions. The self-supervised learning method is proposed to tackle the learning effectiveness with fewer labeled data, however, there is a lack…

Machine Learning · Computer Science 2021-08-18 Hilal AlQuabeh , Ameera Bawazeer , Abdulateef Alhashmi

Pre-training text representations has recently been shown to significantly improve the state-of-the-art in many natural language processing tasks. The central goal of pre-training is to learn text representations that are useful for…

Computation and Language · Computer Science 2020-04-14 Shangwen Lv , Yuechen Wang , Daya Guo , Duyu Tang , Nan Duan , Fuqing Zhu , Ming Gong , Linjun Shou , Ryan Ma , Daxin Jiang , Guihong Cao , Ming Zhou , Songlin Hu

While sentence simplification is an active research topic in NLP, its adjacent tasks of sentence complexification and same-level paraphrasing are not. To train models on all three tasks, we present two new unsupervised datasets. We compare…

Computation and Language · Computer Science 2023-11-22 Alison Chi , Li-Kuang Chen , Yi-Chen Chang , Shu-Hui Lee , Jason S. Chang

In principle, meta-reinforcement learning algorithms leverage experience across many tasks to learn fast reinforcement learning (RL) strategies that transfer to similar tasks. However, current meta-RL approaches rely on manually-defined…

Artificial Intelligence · Computer Science 2019-12-10 Allan Jabri , Kyle Hsu , Ben Eysenbach , Abhishek Gupta , Sergey Levine , Chelsea Finn

Meta-learning algorithms use past experience to learn to quickly solve new tasks. In the context of reinforcement learning, meta-learning algorithms acquire reinforcement learning procedures to solve new problems more efficiently by…

Machine Learning · Computer Science 2020-05-01 Abhishek Gupta , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

Meta-learning can extract an inductive bias from previous learning experience and assist the training of new tasks. It is often realized through optimizing a meta-model with the evaluation loss of task-specific solvers. Most existing…

Machine Learning · Computer Science 2021-12-20 Su Lu , Han-Jia Ye , Le Gan , De-Chuan Zhan

Meta-learning is a powerful paradigm for few-shot learning. Although with remarkable success witnessed in many applications, the existing optimization based meta-learning models with over-parameterized neural networks have been evidenced to…

Machine Learning · Computer Science 2020-07-23 Hongduan Tian , Bo Liu , Xiao-Tong Yuan , Qingshan Liu

Meta learning is a promising technique for solving few-shot fault prediction problems, which have attracted the attention of many researchers in recent years. Existing meta-learning methods for time series prediction, which predominantly…

Machine Learning · Computer Science 2023-11-07 Hai Su , Jiajun Hu , Songsen Yu

Few-shot meta-learning methods consider the problem of learning new tasks from a small, fixed number of examples, by meta-learning across static data from a set of previous tasks. However, in many real world settings, it is more natural to…

Machine Learning · Computer Science 2020-12-15 Tianhe Yu , Xinyang Geng , Chelsea Finn , Sergey Levine

Deep neural networks (DNNs) have achieved state-of-the-art results on time series classification (TSC) tasks. In this work, we focus on leveraging DNNs in the often-encountered practical scenario where access to labeled training data is…

Machine Learning · Computer Science 2021-03-05 Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff , Vishnu Tv

Recent studies have shown that the benefits provided by self-supervised pre-training and self-training (pseudo-labeling) are complementary. Semi-supervised fine-tuning strategies under the pre-training framework, however, remain…

Sound · Computer Science 2022-06-28 Bowen Zhang , Songjun Cao , Xiaoming Zhang , Yike Zhang , Long Ma , Takahiro Shinozaki

Recently self-supervised learning has been proposed in the field of human activity recognition as a solution to the labelled data availability problem. The idea being that by using pretext tasks such as reconstruction or contrastive…

Machine Learning · Computer Science 2023-07-04 Vitor Fortes Rey , Dominique Nshimyimana , Paul Lukowicz

Unsupervised models can provide supplementary soft constraints to help classify new, "target" data since similar instances in the target set are more likely to share the same class label. Such models can also help detect possible…

Machine Learning · Computer Science 2012-06-06 Ayan Acharya , Eduardo R. Hruschka , Joydeep Ghosh , Sreangsu Acharyya

While pre-trained language models have obtained state-of-the-art performance for several natural language understanding tasks, they are quite opaque in terms of their decision-making process. While some recent works focus on rationalizing…

Computation and Language · Computer Science 2021-09-20 Meghana Moorthy Bhat , Alessandro Sordoni , Subhabrata Mukherjee

Self-training provides an effective means of using an extremely small amount of labeled data to create pseudo-labels for unlabeled data. Many state-of-the-art self-training approaches hinge on different regularization methods to prevent…

Computation and Language · Computer Science 2022-02-08 Hazel Kim , Jaeman Son , Yo-Sub Han

Meta-learning has emerged as an effective methodology to model several real-world tasks and problems due to its extraordinary effectiveness in the low-data regime. There are many scenarios ranging from the classification of rare diseases to…

Machine Learning · Computer Science 2023-12-29 Prabhat Agarwal , Shreya Singh

Meta learning has attracted much attention recently in machine learning community. Contrary to conventional machine learning aiming to learn inherent prediction rules to predict labels for new query data, meta learning aims to learn the…

Machine Learning · Computer Science 2023-07-04 Jun Shu , Deyu Meng , Zongben Xu

Entailment has been recognized as an important metric for evaluating natural language understanding (NLU) models, and recent studies have found that entailment pretraining benefits weakly supervised fine-tuning. In this work, we design a…

Computation and Language · Computer Science 2023-05-30 Jiaxin Ge , Hongyin Luo , Yoon Kim , James Glass

Semi-supervised learning techniques are gaining popularity due to their capability of building models that are effective, even when scarce amounts of labeled data are available. In this paper, we present a framework and specific tasks for…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Antonio Montanaro , Diego Valsesia , Giulia Fracastoro , Enrico Magli

Meta-learning has been the most common framework for few-shot learning in recent years. It learns the model from collections of few-shot classification tasks, which is believed to have a key advantage of making the training objective…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yinbo Chen , Zhuang Liu , Huijuan Xu , Trevor Darrell , Xiaolong Wang