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Learning auxiliary tasks, such as multiple predictions about the world, can provide many benefits to reinforcement learning systems. A variety of off-policy learning algorithms have been developed to learn such predictions, but as yet there…

In this paper, we propose a novel multi-task learning (MTL) framework, called Self-Paced Multi-Task Learning (SPMTL). Different from previous works treating all tasks and instances equally when training, SPMTL attempts to jointly learn the…

机器学习 · 计算机科学 2017-04-04 Changsheng Li , Junchi Yan , Fan Wei , Weishan Dong , Qingshan Liu , Hongyuan Zha

Fine-tuning pretrained language models has shown promising results on a wide range of tasks, but when encountering a novel task, do they rely more on generic pretrained representation, or develop brand new task-specific solutions? Here, we…

机器学习 · 计算机科学 2024-06-28 Dongyan Lin

Predictor combination aims to improve a (target) predictor of a learning task based on the (reference) predictors of potentially relevant tasks, without having access to the internals of individual predictors. We present a new predictor…

机器学习 · 计算机科学 2020-07-17 Kwang In Kim , Christian Richardt , Hyung Jin Chang

Pre-training a language model and then fine-tuning it for downstream tasks has demonstrated state-of-the-art results for various NLP tasks. Pre-training is usually independent of the downstream task, and previous works have shown that this…

计算与语言 · 计算机科学 2022-11-28 Tanish Lad , Himanshu Maheshwari , Shreyas Kottukkal , Radhika Mamidi

Despite the recent success on image classification, self-training has only achieved limited gains on structured prediction tasks such as neural machine translation (NMT). This is mainly due to the compositionality of the target space, where…

计算与语言 · 计算机科学 2020-12-08 Minkai Xu , Mingxuan Wang , Zhouhan Lin , Hao Zhou , Weinan Zhang , Lei Li

We tackle the Multi-task Batch Reinforcement Learning problem. Given multiple datasets collected from different tasks, we train a multi-task policy to perform well in unseen tasks sampled from the same distribution. The task identities of…

机器学习 · 计算机科学 2020-10-27 Jiachen Li , Quan Vuong , Shuang Liu , Minghua Liu , Kamil Ciosek , Keith Ross , Henrik Iskov Christensen , Hao Su

Most uses of machine learning today involve training a model from scratch for a particular task, or sometimes starting with a model pretrained on a related task and then fine-tuning on a downstream task. Both approaches offer limited…

机器学习 · 计算机科学 2022-05-26 Andrea Gesmundo , Jeff Dean

Multilingual machine translation addresses the task of translating between multiple source and target languages. We propose task-specific attention models, a simple but effective technique for improving the quality of sequence-to-sequence…

计算与语言 · 计算机科学 2018-06-11 Graeme Blackwood , Miguel Ballesteros , Todd Ward

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

We describe a multi-task learning approach to train a Neural Machine Translation (NMT) model with a Relevance-based Auxiliary Task (RAT) for search query translation. The translation process for Cross-lingual Information Retrieval (CLIR)…

信息检索 · 计算机科学 2019-06-18 Sheikh Muhammad Sarwar , Hamed Bonab , James Allan

Multi-task learning (MTL) is critical in real-world applications such as autonomous driving and robotics, enabling simultaneous handling of diverse tasks. However, obtaining fully annotated data for all tasks is impractical due to labeling…

机器学习 · 计算机科学 2026-01-13 Youngmin Oh , Hyung-Il Kim , Jung Uk Kim

Multi-task reinforcement learning endeavors to accomplish a set of different tasks with a single policy. To enhance data efficiency by sharing parameters across multiple tasks, a common practice segments the network into distinct modules…

人工智能 · 计算机科学 2024-01-26 Jinmin He , Kai Li , Yifan Zang , Haobo Fu , Qiang Fu , Junliang Xing , Jian Cheng

Information retrieval (IR) systems have traditionally been designed and trained for human users, with learning-to-rank methods relying heavily on large-scale human interaction logs such as clicks and dwell time. With the rapid emergence of…

信息检索 · 计算机科学 2026-04-08 Yuqi Zhou , Sunhao Dai , Changle Qu , Liang Pang , Jun Xu , Ji-Rong Wen

Large-scale pre-trained models have achieved remarkable success in various computer vision tasks. A standard approach to leverage these models is to fine-tune all model parameters for downstream tasks, which poses challenges in terms of…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Yi Xin , Junlong Du , Qiang Wang , Zhiwen Lin , Ke Yan

To benefit the learning of a new task, meta-learning has been proposed to transfer a well-generalized meta-model learned from various meta-training tasks. Existing meta-learning algorithms randomly sample meta-training tasks with a uniform…

机器学习 · 计算机科学 2021-10-28 Huaxiu Yao , Yu Wang , Ying Wei , Peilin Zhao , Mehrdad Mahdavi , Defu Lian , Chelsea Finn

Meta-learning is widely used in few-shot classification and function regression due to its ability to quickly adapt to unseen tasks. However, it has not yet been well explored on regression tasks with high dimensional inputs such as images.…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Ning Gao , Hanna Ziesche , Ngo Anh Vien , Michael Volpp , Gerhard Neumann

This paper considers meta-learning problems, where there is a distribution of tasks, and we would like to obtain an agent that performs well (i.e., learns quickly) when presented with a previously unseen task sampled from this distribution.…

机器学习 · 计算机科学 2018-10-23 Alex Nichol , Joshua Achiam , John Schulman

Translation-based prompting is widely used in multilingual LLMs, yet its effectiveness varies across languages and tasks. We evaluate prompting strategies across ten languages of different resource levels and four benchmarks. Our analysis…

计算与语言 · 计算机科学 2026-04-22 Wei-Chi Wu , Sheng-Lun Wei , Hen-Hsen Huang , Hsin-Hsi Chen

Recently, non-autoregressive (NAR) neural machine translation models have received increasing attention due to their efficient parallel decoding. However, the probabilistic framework of NAR models necessitates conditional independence…

计算与语言 · 计算机科学 2022-11-14 Xinyou Wang , Zaixiang Zheng , Shujian Huang