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The inherent capabilities of a language model (LM) and the reasoning strategies it employs jointly determine its performance in reasoning tasks. While test-time scaling is regarded as an effective approach to tackling complex reasoning…

Computation and Language · Computer Science 2025-05-27 Zhihong Pan , Kai Zhang , Yuze Zhao , Yupeng Han

Standard Retrieval-Augmented Generation (RAG) systems predominantly rely on semantic relevance as a proxy for utility. However, this assumption collapses in realistic decision-making scenarios where user queries are laden with cognitive…

Computation and Language · Computer Science 2026-05-05 Peiyang Liu , Qiang Yan , Ziqiang Cui , Di Liang , Xi Wang , Wei Ye

Effective residential appliance scheduling is crucial for sustainable living. While multi-objective reinforcement learning (MORL) has proven effective in balancing user preferences in appliance scheduling, traditional MORL struggles with…

Machine Learning · Computer Science 2024-07-17 Junlin Lu , Patrick Mannion , Karl Mason

Reducing latency and energy consumption is critical to improving the efficiency of memory systems in modern computing. This work introduces ReLMXEL (Reinforcement Learning for Memory Controller with Explainable Energy and Latency…

Hardware Architecture · Computer Science 2026-03-19 Panuganti Chirag Sai , Gandholi Sarat , R. Raghunatha Sarma , Venkata Kalyan Tavva , Naveen M

Designing a competent meta-reinforcement learning (meta-RL) algorithm in terms of data usage remains a central challenge to be tackled for its successful real-world applications. In this paper, we propose a sample-efficient meta-RL…

Machine Learning · Computer Science 2023-12-12 Jaeuk Shin , Giho Kim , Howon Lee , Joonho Han , Insoon Yang

Learning systems are typically optimized by minimizing loss or maximizing reward, assuming that improvements in these signals reflect progress toward the true objective. However, when feedback reliability is unobservable, this assumption…

Machine Learning · Computer Science 2026-03-24 Zhipeng Zhang , Zhenjie Yao , Kai Li , Lei Yang

Test-Time Reinforcement Learning (TTRL) enables Large Language Models (LLMs) to enhance reasoning capabilities on unlabeled test streams by deriving pseudo-rewards from majority voting consensus. However, existing TTRL methods rely…

Machine Learning · Computer Science 2026-04-21 Dong Yan , Jian Liang , Yanbo Wang , Shuo Lu , Ran He , Tieniu Tan

The XTR (conteXtual Token Retrieval) algorithm is a modification to ColBERT retrieval that avoids the costly step of fully gathering and reranking the candidates' embeddings by imputing their missing similarity scores from the initial token…

Information Retrieval · Computer Science 2026-05-04 Rohan Jha , Reno Kriz , Benjamin Van Durme

Benefiting from expanding cloud infrastructure, deep neural networks (DNNs) today have increasingly high performance when trained in the cloud. Researchers spend months of effort competing for an extra few percentage points of model…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-19 Hang Qiu , Ioanna Vavelidou , Jian Li , Evgenya Pergament , Pete Warden , Sandeep Chinchali , Zain Asgar , Sachin Katti

Recent work has shown the efficiency of deep learning models such as Fully Convolutional Networks (FCN) or Recurrent Neural Networks (RNN) to deal with Time Series Regression (TSR) problems. These models sometimes need a lot of data to be…

Machine Learning · Computer Science 2021-11-03 Sebastian Pineda Arango , Felix Heinrich , Kiran Madhusudhanan , Lars Schmidt-Thieme

Neural Networks (NNs) have been widely adopted due to their outstanding efficacy and adaptability across computer vision and deep learning applications. The optimization of NNs is necessary to enable their deployment on energy constrained…

Hardware Architecture · Computer Science 2026-05-12 Pragun Jaswal , L. Hemanth Krishna , B. Srinivasu

We propose the Terminating-Random Experiments (T-Rex) selector, a fast variable selection method for high-dimensional data. The T-Rex selector controls a user-defined target false discovery rate (FDR) while maximizing the number of selected…

Methodology · Statistics 2024-03-14 Jasin Machkour , Michael Muma , Daniel P. Palomar

The rapid integration of Large Language Models (LLMs) into decentralized physical infrastructure networks (DePIN) is currently bottlenecked by the Verifiability Trilemma, which posits that a decentralized inference system cannot…

Cryptography and Security · Computer Science 2025-12-24 Aaron Chan , Alex Ding , Frank Chen , Alan Wu , Bruce Zhang , Arther Tian

Hierarchical reinforcement learning (HRL) helps address large-scale and sparse reward issues in reinforcement learning. In HRL, the policy model has an inner representation structured in levels. With this structure, the reinforcement…

Artificial Intelligence · Computer Science 2020-02-07 Wen-Ji Zhou , Yang Yu

Turbofan engine degradation under sustained operational stress necessitates robust prognostic systems capable of accurately estimating the Remaining Useful Life (RUL) of critical components. Existing deep learning approaches frequently fail…

Machine Learning · Computer Science 2026-04-21 Mohammed Ezzaldin Babiker Abdullah

Understanding a Reinforcement Learning (RL) policy is crucial for ensuring that autonomous agents behave according to human expectations. This goal can be achieved using Explainable Reinforcement Learning (XRL) techniques. Although textual…

Artificial Intelligence · Computer Science 2026-01-07 Ahmad Terra , Mohit Ahmed , Rafia Inam , Elena Fersman , Martin Törngren

Deep learning (DL) compilers rely on cost models and auto-tuning to optimize tensor programs for target hardware. However, existing approaches depend on large offline datasets, incurring high collection costs and offering suboptimal…

Machine Learning · Computer Science 2026-04-15 Chaoyao Shen , Linfeng Jiang , Yixian Shen , Tao Xu , Guoqing Li , Anuj Pathania , Andy D. Pimentel , Meng Zhang

A common challenge in reinforcement learning is how to convert the agent's interactions with an environment into fast and robust learning. For instance, earlier work makes use of domain knowledge to improve existing reinforcement learning…

Machine Learning · Computer Science 2020-04-01 Yannis Flet-Berliac , Philippe Preux

Automatic speech recognition (ASR) of single channel far-field recordings with an unknown number of speakers is traditionally tackled by cascaded modules. Recent research shows that end-to-end (E2E) multi-speaker ASR models can achieve…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-11 Ilya Sklyar , Anna Piunova , Xianrui Zheng , Yulan Liu

Learning to Reject (LtR) frameworks allow ML models to abstain from uncertain predictions and promote user trust. However, since current LtR strategies focus solely on predictive performance, they completely neglect explanation quality.…

Machine Learning · Computer Science 2026-03-19 Luca Stradiotti , Dario Pesenti , Stefano Teso , Jesse Davis