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Deep visuomotor policy learning, which aims to map raw visual observation to action, achieves promising results in control tasks such as robotic manipulation and autonomous driving. However, it requires a huge number of online interactions…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Qihang Zhang , Zhenghao Peng , Bolei Zhou

Recent multilingual pre-trained models have shown better performance in various multilingual tasks. However, these models perform poorly on multilingual retrieval tasks due to lacking multilingual training data. In this paper, we propose to…

Information Retrieval · Computer Science 2023-03-28 Houxing Ren , Linjun Shou , Jian Pei , Ning Wu , Ming Gong , Daxin Jiang

Existing solutions to zero-shot text classification either conduct prompting with pre-trained language models, which is sensitive to the choices of templates, or rely on large-scale annotated data of relevant tasks for meta-tuning. In this…

Computation and Language · Computer Science 2023-05-26 Chaoqun Liu , Wenxuan Zhang , Guizhen Chen , Xiaobao Wu , Anh Tuan Luu , Chip Hong Chang , Lidong Bing

Training models on low-resource named entity recognition tasks has been shown to be a challenge, especially in industrial applications where deploying updated models is a continuous effort and crucial for business operations. In such cases…

Computation and Language · Computer Science 2019-10-18 Peter Izsak , Shira Guskin , Moshe Wasserblat

Model adaptation is crucial to handle the discrepancy between proxy training data and actual users data received. To effectively perform adaptation, textual data of users is typically stored on servers or their local devices, where…

Computation and Language · Computer Science 2023-12-15 Arpita Vats , Zhe Liu , Peng Su , Debjyoti Paul , Yingyi Ma , Yutong Pang , Zeeshan Ahmed , Ozlem Kalinli

Masked language modeling (MLM), a self-supervised pretraining objective, is widely used in natural language processing for learning text representations. MLM trains a model to predict a random sample of input tokens that have been replaced…

Computation and Language · Computer Science 2021-09-07 Atsuki Yamaguchi , George Chrysostomou , Katerina Margatina , Nikolaos Aletras

Language-image pre-training is an effective technique for learning powerful representations in general domains. However, when directly turning to person representation learning, these general pre-training methods suffer from unsatisfactory…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Jialong Zuo , Jiahao Hong , Feng Zhang , Changqian Yu , Hanyu Zhou , Changxin Gao , Nong Sang , Jingdong Wang

We propose a self-supervised approach for learning representations and robotic behaviors entirely from unlabeled videos recorded from multiple viewpoints, and study how this representation can be used in two robotic imitation settings:…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Pierre Sermanet , Corey Lynch , Yevgen Chebotar , Jasmine Hsu , Eric Jang , Stefan Schaal , Sergey Levine

Pseudo-label (PL) filtering forms a crucial part of Self-Training (ST) methods for unsupervised domain adaptation. Dropout-based Uncertainty-driven Self-Training (DUST) proceeds by first training a teacher model on source domain labeled…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-16 Nauman Dawalatabad , Sameer Khurana , Antoine Laurent , James Glass

Current techniques for post-training Large Language Models (LLMs) rely either on costly human supervision or on external verifiers to boost performance on tasks such as mathematical reasoning and code generation. However, as LLMs improve…

Computation and Language · Computer Science 2026-01-21 Mukesh Ghimire , Aosong Feng , Liwen You , Youzhi Luo , Fang Liu , Xuan Zhu

User interaction with voice-powered agents generates large amounts of unlabeled utterances. In this paper, we explore techniques to efficiently transfer the knowledge from these unlabeled utterances to improve model performance on Spoken…

Computation and Language · Computer Science 2018-11-14 Aditya Siddhant , Anuj Goyal , Angeliki Metallinou

Recent advances in unsupervised learning have shown that unsupervised pre-training, followed by fine-tuning, can improve model generalization. However, a rigorous understanding of how the representation function learned on an unlabeled…

Machine Learning · Computer Science 2024-03-12 Yuyang Deng , Junyuan Hong , Jiayu Zhou , Mehrdad Mahdavi

User modeling is crucial to understanding user behavior and essential for improving user experience and personalized recommendations. When users interact with software, vast amounts of command sequences are generated through logging and…

Artificial Intelligence · Computer Science 2022-08-01 Hang Chu , Amir Hosein Khasahmadi , Karl D. D. Willis , Fraser Anderson , Yaoli Mao , Linh Tran , Justin Matejka , Jo Vermeulen

Substantial improvements have been made in machine reading comprehension, where the machine answers questions based on a given context. Current state-of-the-art models even surpass human performance on several benchmarks. However, their…

Computation and Language · Computer Science 2021-05-11 Wei-Cheng Huang , Chien-yu Huang , Hung-yi Lee

The recent success in human action recognition with deep learning methods mostly adopt the supervised learning paradigm, which requires significant amount of manually labeled data to achieve good performance. However, label collection is an…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

Self-supervised pre-training using unlabeled data is widely used in automatic speech recognition. In this paper, we propose a new self-supervised pre-training approach to dealing with heterogeneous data. Instead of mixing all the data and…

Machine Learning · Computer Science 2025-09-10 Xiaodong Cui , A F M Saif , Brian Kingsbury , Tianyi Chen

User modeling in large e-commerce platforms aims to optimize user experiences by incorporating various customer activities. Traditional models targeting a single task often focus on specific business metrics, neglecting the comprehensive…

Information Retrieval · Computer Science 2025-02-28 Mingdai Yang , Fan Yang , Yanhui Guo , Shaoyuan Xu , Tianchen Zhou , Yetian Chen , Simone Shao , Jia Liu , Yan Gao

The emergence of Pre-trained Language Models (PLMs) has achieved tremendous success in the field of Natural Language Processing (NLP) by learning universal representations on large corpora in a self-supervised manner. The pre-trained models…

Information Retrieval · Computer Science 2023-09-14 Peng Liu , Lemei Zhang , Jon Atle Gulla

Given the difficulty of manually annotating motion in video, the current best motion estimation methods are trained with synthetic data, and therefore struggle somewhat due to a train/test gap. Self-supervised methods hold the promise of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Xinglong Sun , Adam W. Harley , Leonidas J. Guibas

The recent history of machine learning research has taught us that machine learning methods can be most effective when they are provided with very large, high-capacity models, and trained on very large and diverse datasets. This has spurred…

Machine Learning · Computer Science 2021-10-26 Sergey Levine