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Large pre-trained models have enabled significant advances in machine learning and served as foundation components. Model fusion methods, such as task arithmetic, have been proven to be powerful and scalable to incorporate fine-tuned…

机器学习 · 计算机科学 2024-03-12 Anke Tang , Li Shen , Yong Luo , Yibing Zhan , Han Hu , Bo Du , Yixin Chen , Dacheng Tao

We observe that current state-of-the-art (SOTA) methods suffer from the performance imbalance issue when performing multi-task reinforcement learning (MTRL) tasks. While these methods may achieve impressive performance on average, they…

机器学习 · 计算机科学 2024-06-04 Po-Shao Lin , Jia-Fong Yeh , Yi-Ting Chen , Winston H. Hsu

Task arithmetic refers to editing the pre-trained model by adding a weighted sum of task vectors, each of which is the weight update from the pre-trained model to fine-tuned models for certain tasks. This approach recently gained attention…

机器学习 · 计算机科学 2025-05-27 Hongkang Li , Yihua Zhang , Shuai Zhang , Meng Wang , Sijia Liu , Pin-Yu Chen

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have emerged as a popular solution to achieve this. However,…

机器学习 · 计算机科学 2023-02-17 Zhao Mandi , Pieter Abbeel , Stephen James

Continual learning, focused on sequentially learning multiple tasks, has gained significant attention recently. Despite the tremendous progress made in the past, the theoretical understanding, especially factors contributing to catastrophic…

机器学习 · 计算机科学 2024-05-29 Meng Ding , Kaiyi Ji , Di Wang , Jinhui Xu

Deep neural networks, especially transformer-based architectures, have achieved remarkable success in semantic segmentation for environmental perception. However, existing models process video frames independently, thus failing to leverage…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Serin Varghese , Kevin Ross , Fabian Hueger , Kira Maag

While deep learning has achieved remarkable success across many domains, it has historically underperformed on tabular learning tasks, which remain dominated by gradient boosting decision trees. However, recent advancements are paving the…

机器学习 · 计算机科学 2025-10-31 Alan Arazi , Eilam Shapira , Roi Reichart

Click-Through Rate (CTR) prediction is a pivotal task in product and content recommendation, where learning effective feature embeddings is of great significance. However, traditional methods typically learn fixed feature representations…

信息检索 · 计算机科学 2023-09-06 Chen Zhu , Liang Du , Hong Chen , Shuang Zhao , Zixun Sun , Xin Wang , Wenwu Zhu

Fine-tuning on task-specific question-answer pairs is a predominant method for enhancing the performance of instruction-tuned large language models (LLMs) on downstream tasks. However, in certain specialized domains, such as healthcare or…

计算与语言 · 计算机科学 2024-10-18 Shuyang Jiang , Yusheng Liao , Ya Zhang , Yanfeng Wang , Yu Wang

Handling missing values at test time is challenging for machine learning models, especially when aiming for both high accuracy and interpretability. Established approaches often add bias through imputation or excessive model complexity via…

机器学习 · 计算机科学 2025-05-07 Lena Stempfle , Anton Matsson , Newton Mwai , Fredrik D. Johansson

While task-specific finetuning of pretrained networks has led to significant empirical advances in NLP, the large size of networks makes finetuning difficult to deploy in multi-task, memory-constrained settings. We propose diff pruning as a…

计算与语言 · 计算机科学 2021-06-10 Demi Guo , Alexander M. Rush , Yoon Kim

Meta-learning methods typically learn tasks under the assumption that all tasks are equally important. However, this assumption is often not valid. In real-world applications, tasks can vary both in their importance during different…

机器学习 · 计算机科学 2024-05-14 Donglin Zhan , James Anderson

We develop new algorithms for simultaneous learning of multiple tasks (e.g., image classification, depth estimation), and for adapting to unseen task/domain distributions within those high-level tasks (e.g., different environments). First,…

机器学习 · 计算机科学 2020-06-16 Kiran Lekkala , Laurent Itti

Using neural networks in practical settings would benefit from the ability of the networks to learn new tasks throughout their lifetimes without forgetting the previous tasks. This ability is limited in the current deep neural networks by a…

机器学习 · 计算机科学 2018-06-20 Risto Vuorio , Dong-Yeon Cho , Daejoong Kim , Jiwon Kim

Multi-task Learning (MTL) for classification with disjoint datasets aims to explore MTL when one task only has one labeled dataset. In existing methods, for each task, the unlabeled datasets are not fully exploited to facilitate this task.…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Yan Hong , Li Niu , Jianfu Zhang , Liqing Zhang

Parameter-efficient tuning aims to distill knowledge for downstream tasks by optimizing a few introduced parameters while freezing the pretrained language models (PLMs). Continuous prompt tuning which prepends a few trainable vectors to the…

计算与语言 · 计算机科学 2022-04-14 Haoran Yang , Piji Li , Wai Lam

Multi Task Learning (MTL) efficiently leverages useful information contained in multiple related tasks to help improve the generalization performance of all tasks. This article conducts a large dimensional analysis of a simple but, as we…

机器学习 · 统计学 2020-09-04 Malik Tiomoko , Romain Couillet , Hafiz Tiomoko

In meta-learning and its downstream tasks, many methods rely on implicit adaptation to task variations, where multiple factors are mixed together in a single entangled representation. This makes it difficult to interpret which factors drive…

机器人学 · 计算机科学 2025-09-03 Seonsoo Kim , Jun-Gill Kang , Taehong Kim , Seongil Hong

Multi-task learning (MTL) has been successfully used in many real-world applications, which aims to simultaneously solve multiple tasks with a single model. The general idea of multi-task learning is designing kinds of global parameter…

机器学习 · 计算机科学 2023-01-24 Xuewen Tao , Mingming Ha , Xiaobo Guo , Qiongxu Ma , Hongwei Cheng , Wenfang Lin

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele