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A framework is introduced for actively and adaptively solving a sequence of machine learning problems, which are changing in bounded manner from one time step to the next. An algorithm is developed that actively queries the labels of the…

机器学习 · 计算机科学 2018-05-31 Yuheng Bu , Jiaxun Lu , Venugopal V. Veeravalli

Self-Supervised Learning (SSL) has allowed leveraging large amounts of unlabeled speech data to improve the performance of speech recognition models even with small annotated datasets. Despite this, speech SSL representations may fail while…

音频与语音处理 · 电气工程与系统科学 2023-06-02 Salah Zaiem , Titouan Parcollet , Slim Essid

Vision-and-Language Navigation (VLN) requires an agent to follow natural-language instructions and navigate through previously unseen environments. Recent approaches increasingly employ large language models (LLMs) as high-level navigators…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Shutian Gu , Chengkai Huang , Ruoyu Wang , Lina Yao

Large Language Models (LLMs) perform well in general QA but often struggle in domain-specific scenarios. Retrieval-Augmented Generation (RAG) introduces external knowledge but suffers from hallucinations and latency due to noisy retrievals.…

计算与语言 · 计算机科学 2025-09-19 Bolei He , Xinran He , Run Shao , Shanfu Shu , Xianwei Xue , Mingquan Cheng , Haifeng Li , Zhenhua Ling

Self-supervised learning (SSL) is a powerful technique for learning from unlabeled data. By learning to remain invariant to applied data augmentations, methods such as SimCLR and MoCo can reach quality on par with supervised approaches.…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Marcin Przewięźlikowski , Mateusz Pyla , Bartosz Zieliński , Bartłomiej Twardowski , Jacek Tabor , Marek Śmieja

This work investigates retrieval augmented generation as an efficient strategy for automatic context discovery in context-aware Automatic Speech Recognition (ASR) system, in order to improve transcription accuracy in the presence of rare or…

Large Language Models (LLMs) often falter in complex reasoning tasks due to their static, parametric knowledge, leading to hallucinations and poor performance in specialized domains like mathematics. This work explores a fundamental…

机器学习 · 计算机科学 2026-02-10 Srijan Shakya , Anamaria-Roberta Hartl , Sepp Hochreiter , Korbinian Pöppel

Semi-Supervised Learning (SSL) has advanced classification tasks by inputting both labeled and unlabeled data to train a model jointly. However, existing SSL methods only consider the unlabeled data whose predictions are beyond a fixed…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Zechen Liang , Yuan-Gen Wang , Wei Lu , Xiaochun Cao

Multi-scenario learning (MSL) enables a service provider to cater for users' fine-grained demands by separating services for different user sectors, e.g., by user's geographical region. Under each scenario there is a need to optimize…

机器学习 · 计算机科学 2022-06-07 Xinyu Zou , Zhi Hu , Yiming Zhao , Xuchu Ding , Zhongyi Liu , Chenliang Li , Aixin Sun

Most image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs that are constructed by a predetermined operation, e.g., bicubic downsampling. As existing methods typically learn…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Sanghyun Son , Jaeha Kim , Wei-Sheng Lai , Ming-Husan Yang , Kyoung Mu Lee

Retrieval Augmented Generation (RAG) systems often struggle with domain-specific knowledge due to performance deterioration of pre-trained embeddings and prohibitive computational costs of large language model (LLM)-based retrievers. While…

信息检索 · 计算机科学 2025-09-15 Yao Zhao , Yantian Ding , Zhiyue Zhang , Dapeng Yao , Yanxun Xu

The capability of predicting environmental dynamics underpins both biological neural systems and general embodied AI in adapting to their surroundings. Yet prevailing approaches rest on static world models that falter when confronted with…

机器学习 · 计算机科学 2026-03-02 Fan Wang , Zhiyuan Chen , Yuxuan Zhong , Sunjian Zheng , Pengtao Shao , Bo Yu , Shaoshan Liu , Jianan Wang , Ning Ding , Yang Cao , Yu Kang

Real-world autonomous decision-making systems, from robots to recommendation engines, must operate in environments that change over time. While deep reinforcement learning (RL) has shown an impressive ability to learn optimal policies in…

机器学习 · 计算机科学 2025-05-16 Jonathan Clifford Balloch

Large language models (LLMs) are increasingly being applied across various specialized fields, leveraging their extensive knowledge to empower a multitude of scenarios within these domains. However, each field encompasses a variety of…

计算与语言 · 计算机科学 2024-04-09 Yuhang Zhou , Zeping Li , Siyu Tian , Yuchen Ni , Sen Liu , Guangnan Ye , Hongfeng Chai

The remarkable capability of large language models (LLMs) for in-context learning (ICL) needs to be activated by demonstration examples. Prior work has extensively explored the selection of examples for ICL, predominantly following the…

计算与语言 · 计算机科学 2024-06-07 Haoyu Liu , Jianfeng Liu , Shaohan Huang , Yuefeng Zhan , Hao Sun , Weiwei Deng , Furu Wei , Qi Zhang

Reliable molecular property prediction is essential for various scientific endeavors and industrial applications, such as drug discovery. However, the data scarcity, combined with the highly non-linear causal relationships between…

机器学习 · 计算机科学 2025-01-14 Yue Wan , Jialu Wu , Tingjun Hou , Chang-Yu Hsieh , Xiaowei Jia

In this paper, we study a sequential decision-making problem, called Adaptive Sampling for Discovery (ASD). Starting with a large unlabeled dataset, algorithms for ASD adaptively label the points with the goal to maximize the sum of…

机器学习 · 统计学 2023-01-04 Ziping Xu , Eunjae Shim , Ambuj Tewari , Paul Zimmerman

Deep learning based discriminative methods, being the state-of-the-art machine learning techniques, are ill-suited for learning from lower amounts of data. In this paper, we propose a novel framework, called simultaneous two sample learning…

计算与语言 · 计算机科学 2017-12-18 Sri Harsha Dumpala , Rupayan Chakraborty , Sunil Kumar Kopparapu

Generative Large Language Models (LLMs) are capable of being in-context learners. However, the underlying mechanism of in-context learning (ICL) is still a major research question, and experimental research results about how models exploit…

计算与语言 · 计算机科学 2025-02-11 Aliakbar Nafar , Kristen Brent Venable , Parisa Kordjamshidi

Most of the recent Deep Semantic Segmentation algorithms suffer from large generalization errors, even when powerful hierarchical representation models based on convolutional neural networks have been employed. This could be attributed to…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Javed Iqbal , Mohsen Ali