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Recent advances in Deep Learning have greatly improved performance on various tasks such as object detection, image segmentation, sentiment analysis. The focus of most research directions up until very recently has been on beating…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Cristian Simionescu

Fine-tuning is a popular way of exploiting knowledge contained in a pre-trained convolutional network for a new visual recognition task. However, the orthogonal setting of transferring knowledge from a pretrained network to a visually…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Amelie Royer , Christoph H. Lampert

Proprietary Large Language Models (LLMs), such as ChatGPT, have garnered significant attention due to their exceptional capabilities in handling a diverse range of tasks. Recent studies demonstrate that open-sourced smaller foundational…

计算与语言 · 计算机科学 2023-10-10 Yue Zhang , Leyang Cui , Deng Cai , Xinting Huang , Tao Fang , Wei Bi

Instruction tuning is essential for Large Language Models (LLMs) to effectively follow user instructions. To improve training efficiency and reduce data redundancy, recent works use LLM-based scoring functions, e.g., Instruction-Following…

机器学习 · 计算机科学 2025-12-02 Yanjun Fu , Faisal Hamman , Sanghamitra Dutta

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…

机器学习 · 计算机科学 2023-12-29 Prabhat Agarwal , Shreya Singh

Instruction tuning -- fine-tuning a large language model (LLM) on pairs of instructions and desired outcomes -- is an approach that enables pre-trained language models to perform real-world tasks and follow human instructions. Its practical…

计算与语言 · 计算机科学 2024-02-19 Dylan Zhang , Justin Wang , Francois Charton

In Meta-Reinforcement Learning (meta-RL) an agent is trained on a set of tasks to prepare for and learn faster in new, unseen, but related tasks. The training tasks are usually hand-crafted to be representative of the expected distribution…

机器学习 · 计算机科学 2021-07-02 Ricardo Luna Gutierrez , Matteo Leonetti

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…

机器学习 · 计算机科学 2021-12-20 Su Lu , Han-Jia Ye , Le Gan , De-Chuan Zhan

Identifying beneficial tasks to transfer from is a critical step toward successful intermediate-task transfer learning. In this work, we experiment with 130 source-target task combinations and demonstrate that the transfer performance…

计算与语言 · 计算机科学 2024-07-24 Pin-Jie Lin , Miaoran Zhang , Marius Mosbach , Dietrich Klakow

Hyperparameter selection in continual learning scenarios is a challenging and underexplored aspect, especially in practical non-stationary environments. Traditional approaches, such as grid searches with held-out validation data from all…

机器学习 · 计算机科学 2024-06-21 Rudy Semola , Julio Hurtado , Vincenzo Lomonaco , Davide Bacciu

Optimization-based meta-learning offers a promising direction for few-shot learning that is essential for many real-world computer vision applications. However, learning from few samples introduces uncertainty, and quantifying model…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Deep Pandey , Qi Yu

In this paper, we propose a novel semi-supervised feature selection framework by mining correlations among multiple tasks and apply it to different multimedia applications. Instead of independently computing the importance of features for…

机器学习 · 计算机科学 2017-07-11 Xiaojun Chang , Yi Yang

Sampling is a key operation in point-cloud task and acts to increase computational efficiency and tractability by discarding redundant points. Universal sampling algorithms (e.g., Farthest Point Sampling) work without modification across…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Ta-Ying Cheng , Qingyong Hu , Qian Xie , Niki Trigoni , Andrew Markham

Mastery learning improves learning proficiency and efficiency. However, the overpractice of skills--students spending time on skills they have already mastered--remains a fundamental challenge for tutoring systems. Previous research has…

计算机与社会 · 计算机科学 2025-06-24 Meng Xia , Robin Schmucker , Conrad Borchers , Vincent Aleven

Sharing information between multiple tasks enables algorithms to achieve good generalization performance even from small amounts of training data. However, in a realistic scenario of multi-task learning not all tasks are equally related to…

机器学习 · 统计学 2014-12-04 Anastasia Pentina , Viktoriia Sharmanska , Christoph H. Lampert

Training language models to learn from human instructions for zero-shot cross-task generalization has attracted much attention in NLP communities. Recently, instruction tuning (IT), which fine-tunes a pre-trained language model on a massive…

计算与语言 · 计算机科学 2022-10-18 Yuxian Gu , Pei Ke , Xiaoyan Zhu , Minlie Huang

Recent research shows that fine-tuning on benign instruction-following data can inadvertently undo the safety alignment process and increase a model's propensity to comply with harmful queries. While instruction-following fine-tuning is…

计算与语言 · 计算机科学 2025-03-03 Francisco Eiras , Aleksandar Petrov , Philip H. S. Torr , M. Pawan Kumar , Adel Bibi

Few-shot Learning aims to learn classifiers for new classes with only a few training examples per class. Existing meta-learning or metric-learning based few-shot learning approaches are limited in handling diverse domains with various…

机器学习 · 计算机科学 2019-01-30 Yu Cheng , Mo Yu , Xiaoxiao Guo , Bowen Zhou

Mislabeled, duplicated, or biased data in real-world scenarios can lead to prolonged training and even hinder model convergence. Traditional solutions prioritizing easy or hard samples lack the flexibility to handle such a variety…

机器学习 · 计算机科学 2023-11-08 Zhijie Deng , Peng Cui , Jun Zhu

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…

机器学习 · 计算机科学 2020-05-01 Abhishek Gupta , Benjamin Eysenbach , Chelsea Finn , Sergey Levine