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相关论文: UserBERT: Contrastive User Model Pre-training

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Recently, the usefulness of self-supervised representation learning (SSRL) methods has been confirmed in various downstream tasks. Many of these models, as exemplified by HuBERT and WavLM, use pseudo-labels generated from spectral features…

声音 · 计算机科学 2023-10-09 Takashi Maekaku , Jiatong Shi , Xuankai Chang , Yuya Fujita , Shinji Watanabe

Sign language processing has traditionally relied on task-specific models, limiting the potential for transfer learning across tasks. Pre-training methods for sign language have typically focused on either supervised pre-training, which…

计算与语言 · 计算机科学 2025-07-04 Shester Gueuwou , Xiaodan Du , Greg Shakhnarovich , Karen Livescu , Alexander H. Liu

Multi-modal pretraining for learning high-level multi-modal representation is a further step towards deep learning and artificial intelligence. In this work, we propose a novel model, namely InterBERT (BERT for Interaction), which is the…

计算与语言 · 计算机科学 2021-04-23 Junyang Lin , An Yang , Yichang Zhang , Jie Liu , Jingren Zhou , Hongxia Yang

Contrastive learning has moved the state of the art for many tasks in computer vision and information retrieval in recent years. This poster is the first work that applies supervised contrastive learning to the task of product matching in…

机器学习 · 计算机科学 2022-05-03 Ralph Peeters , Christian Bizer

Domain adversarial training has shown its effective capability for finding domain invariant feature representations and been successfully adopted for various domain adaptation tasks. However, recent advances of large models (e.g., vision…

机器学习 · 计算机科学 2024-07-18 Jiahong Chen , Zhilin Zhang , Lucy Li , Behzad Shahrasbi , Arjun Mishra

With the widespread of digital environments, reliable authentication and continuous access control has become crucial. It can minimize cyber attacks and prevent frauds, specially those associated with identity theft. A particular interest…

密码学与安全 · 计算机科学 2024-11-12 Matheus Simão , Fabiano Prado , Omar Abdul Wahab , Anderson Avila

Semi-supervised learning approaches train on small sets of labeled data along with large sets of unlabeled data. Self-training is a semi-supervised teacher-student approach that often suffers from the problem of "confirmation bias" that…

机器学习 · 计算机科学 2023-01-19 Aswathnarayan Radhakrishnan , Jim Davis , Zachary Rabin , Benjamin Lewis , Matthew Scherreik , Roman Ilin

Scientific literature understanding tasks have gained significant attention due to their potential to accelerate scientific discovery. Pre-trained language models (LMs) have shown effectiveness in these tasks, especially when tuned via…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Hao Cheng , Zhihong Shen , Xiaodong Liu , Ye-Yi Wang , Jianfeng Gao

Meta-learning enables learning systems to adapt quickly to new tasks, similar to humans. Different meta-learning approaches all work under/with the mini-batch episodic training framework. Such framework naturally gives the information about…

机器学习 · 计算机科学 2025-11-10 Shiguang Wu , Yaqing Wang , Yatao Bian , Quanming Yao

Understanding and representing webpages is crucial to online social networks where users may share and engage with URLs. Common language model (LM) encoders such as BERT can be used to understand and represent the textual content of…

计算与语言 · 计算机科学 2023-10-26 Ayesha Qamar , Chetan Verma , Ahmed El-Kishky , Sumit Binnani , Sneha Mehta , Taylor Berg-Kirkpatrick

A central goal of unsupervised learning is to acquire representations from unlabeled data or experience that can be used for more effective learning of downstream tasks from modest amounts of labeled data. Many prior unsupervised learning…

机器学习 · 计算机科学 2019-03-25 Kyle Hsu , Sergey Levine , Chelsea Finn

Most pre-trained language models (PLMs) construct word representations at subword level with Byte-Pair Encoding (BPE) or its variations, by which OOV (out-of-vocab) words are almost avoidable. However, those methods split a word into…

计算与语言 · 计算机科学 2021-05-17 Wentao Ma , Yiming Cui , Chenglei Si , Ting Liu , Shijin Wang , Guoping Hu

Self-supervision is one of the hallmarks of representation learning in the increasingly popular suite of foundation models including large language models such as BERT and GPT-3, but it has not been pursued in the context of multivariate…

机器学习 · 计算机科学 2024-02-05 Xiao Shou , Dharmashankar Subramanian , Debarun Bhattacharjya , Tian Gao , Kristin P. Bennet

In this work, we represent CMV-BERT, which improves the pretraining of a language model via two ingredients: (a) contrastive learning, which is well studied in the area of computer vision; (b) multiple vocabularies, one of which is…

计算与语言 · 计算机科学 2021-06-01 Wei Zhu , Daniel Cheung

Models trained on real-world data often mirror and exacerbate existing social biases. Traditional methods for mitigating these biases typically require prior knowledge of the specific biases to be addressed, such as gender or racial biases,…

计算与语言 · 计算机科学 2025-05-13 Maxwell J. Yin , Boyu Wang , Charles Ling

Pre-training a recognition model with contrastive learning on a large dataset of unlabeled data has shown great potential to boost the performance of a downstream task, e.g., image classification. However, in domains such as medical…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jizong Peng , Ping Wang , Chrisitian Desrosiers , Marco Pedersoli

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:…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Pierre Sermanet , Corey Lynch , Yevgen Chebotar , Jasmine Hsu , Eric Jang , Stefan Schaal , Sergey Levine

Contrastive learning has been applied to Human Activity Recognition (HAR) based on sensor data owing to its ability to achieve performance comparable to supervised learning with a large amount of unlabeled data and a small amount of labeled…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Jinqiang Wang , Tao Zhu , Liming Chen , Huansheng Ning , Yaping Wan

User sequence modeling is crucial for modern large-scale recommendation systems, as it enables the extraction of informative representations of users and items from their historical interactions. These user representations are widely used…

The major paradigm of applying a pre-trained language model to downstream tasks is to fine-tune it on labeled task data, which often suffers instability and low performance when the labeled examples are scarce.~One way to alleviate this…

计算与语言 · 计算机科学 2021-06-07 Ruikun Luo , Guanhuan Huang , Xiaojun Quan