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Transfer-learning and meta-learning are two effective methods to apply knowledge learned from large data sources to new tasks. In few-class, few-shot target task settings (i.e. when there are only a few classes and training examples…

机器学习 · 计算机科学 2019-02-11 Amir Erfan Eshratifar , Mohammad Saeed Abrishami , David Eigen , Massoud Pedram

We propose pre-finetuning, an additional large-scale learning stage between language model pre-training and fine-tuning. Pre-finetuning is massively multi-task learning (around 50 datasets, over 4.8 million total labeled examples), and is…

计算与语言 · 计算机科学 2021-01-28 Armen Aghajanyan , Anchit Gupta , Akshat Shrivastava , Xilun Chen , Luke Zettlemoyer , Sonal Gupta

Fine-tuning reinforcement learning (RL) models has been challenging because of a lack of large scale off-the-shelf datasets as well as high variance in transferability among different environments. Recent work has looked at tackling offline…

机器学习 · 计算机科学 2022-07-26 Machel Reid , Yutaro Yamada , Shixiang Shane Gu

Since we can leverage a large amount of unlabeled data without any human supervision to train a model and transfer the knowledge to target tasks, self-supervised learning is a de-facto component for the recent success of deep learning in…

计算与语言 · 计算机科学 2021-03-12 Donggyu Kim , Seanie Lee

Deep learning has contributed remarkably to the advancement of time series analysis. Still, deep models can encounter performance bottlenecks in real-world data-scarce scenarios, which can be concealed due to the performance saturation with…

机器学习 · 计算机科学 2024-10-21 Yong Liu , Haoran Zhang , Chenyu Li , Xiangdong Huang , Jianmin Wang , Mingsheng Long

The GPT (Generative Pre-trained Transformer) language models are an artificial intelligence and natural language processing technology that enables automatic text generation. There is a growing interest in applying GPT language models to…

计算机与社会 · 计算机科学 2024-03-25 Manuel de Buenaga , Francisco Javier Bueno

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

机器学习 · 计算机科学 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

Multilingual T5 (mT5) pretrains a sequence-to-sequence model on massive monolingual texts, which has shown promising results on many cross-lingual tasks. In this paper, we improve multilingual text-to-text transfer Transformer with…

计算与语言 · 计算机科学 2021-09-14 Zewen Chi , Li Dong , Shuming Ma , Shaohan Huang Xian-Ling Mao , Heyan Huang , Furu Wei

Inference tasks such as answer sentence selection (AS2) or fact verification are typically solved by fine-tuning transformer-based models as individual sentence-pair classifiers. Recent studies show that these tasks benefit from modeling…

计算与语言 · 计算机科学 2022-07-08 Luca Di Liello , Siddhant Garg , Luca Soldaini , Alessandro Moschitti

Heterogeneous graph learning aims to capture complex relationships and diverse relational semantics among entities in a heterogeneous graph to obtain meaningful representations for nodes and edges. Recent advancements in heterogeneous graph…

计算与语言 · 计算机科学 2024-05-21 Jiabin Tang , Yuhao Yang , Wei Wei , Lei Shi , Long Xia , Dawei Yin , Chao Huang

Recent state-of-the-art language models utilize a two-phase training procedure comprised of (i) unsupervised pre-training on unlabeled text, and (ii) fine-tuning for a specific supervised task. More recently, many studies have been focused…

计算与语言 · 计算机科学 2019-11-15 Itzik Malkiel , Lior Wolf

Peer-to-peer knowledge transfer in distributed environments has emerged as a promising method since it could accelerate learning and improve team-wide performance without relying on pre-trained teachers in deep reinforcement learning.…

人工智能 · 计算机科学 2020-02-07 Zeyue Xue , Shuang Luo , Chao Wu , Pan Zhou , Kaigui Bian , Wei Du

Pretraining has been widely explored to augment the adaptability of graph learning models to transfer knowledge from large datasets to a downstream task, such as link prediction or classification. However, the gap between training…

信息检索 · 计算机科学 2024-03-29 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Training foundation models on extensive datasets and then finetuning them on specific tasks has emerged as the mainstream approach in artificial intelligence. However, the model robustness, which is a critical aspect for safety, is often…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Kai Qiu , Huishuai Zhang , Zhirong Wu , Stephen Lin

Deep learning is very data hungry, and supervised learning especially requires massive labeled data to work well. Machine listening research often suffers from limited labeled data problem, as human annotations are costly to acquire, and…

声音 · 计算机科学 2021-02-08 Ho-Hsiang Wu , Chieh-Chi Kao , Qingming Tang , Ming Sun , Brian McFee , Juan Pablo Bello , Chao Wang

Recent advances in multimodal foundation models have achieved state-of-the-art performance across a range of tasks. These breakthroughs are largely driven by new pre-training paradigms that leverage large-scale, unlabeled multimodal data,…

机器学习 · 计算机科学 2025-06-10 Xiaojun Shan , Qi Cao , Xing Han , Haofei Yu , Paul Pu Liang

Time-Series Mining (TSM) is an important research area since it shows great potential in practical applications. Deep learning models that rely on massive labeled data have been utilized for TSM successfully. However, constructing a…

机器学习 · 计算机科学 2024-10-07 Qianli Ma , Zhen Liu , Zhenjing Zheng , Ziyang Huang , Siying Zhu , Zhongzhong Yu , James T. Kwok

In-context learning enables transformer models to generalize to new tasks based solely on input prompts, without any need for weight updates. However, existing training paradigms typically rely on large, unstructured datasets that are…

Multilingual models jointly pretrained on multiple languages have achieved remarkable performance on various multilingual downstream tasks. Moreover, models finetuned on a single monolingual downstream task have shown to generalize to…

计算与语言 · 计算机科学 2022-03-01 Seanie Lee , Hae Beom Lee , Juho Lee , Sung Ju Hwang

Models pre-trained on large-scale datasets are often fine-tuned to support newer tasks and datasets that arrive over time. This process necessitates storing copies of the model over time for each task that the pre-trained model is…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Chaitanya Devaguptapu , Samarth Sinha , K J Joseph , Vineeth N Balasubramanian , Animesh Garg