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Characterizing and comparing the optimal energy efficiency in energy-aware machine-to-machine (M2M) random access networks remains a challenge due to the distributed nature of the access behavior of nodes. To address this issue, this letter…

网络与互联网体系结构 · 计算机科学 2024-06-24 Anshan Yuan , Fangming Zhao , Xinghua Sun

Reinforcement learning from human feedback (RLHF) has become a cornerstone of the training and alignment pipeline for large language models (LLMs). Recent advances, such as direct preference optimization (DPO), have simplified the…

Data envelopment analysis (DEA) is a linear program (LP)-based method used to determine the efficiency of a decision making unit (DMU), which transforms inputs to outputs, by peer comparison. This paper presents a new computation algorithm…

最优化与控制 · 数学 2018-07-30 Wen-Chih Chen

We develop an eigenspace estimation algorithm for distributed environments with arbitrary node failures, where a subset of computing nodes can return structurally valid but otherwise arbitrarily chosen responses. Notably, this setting…

机器学习 · 统计学 2022-06-02 Vasileios Charisopoulos , Anil Damle

Network log data analysis plays a critical role in detecting security threats and operational anomalies. Traditional log analysis methods for anomaly detection and root cause analysis rely heavily on expert knowledge or fully supervised…

网络与互联网体系结构 · 计算机科学 2025-09-09 Xuanhao Luo , Shivesh Madan Nath Jha , Akruti Sinha , Zhizhen Li , Yuchen Liu

Logic optimization constitutes a critical phase within the Electronic Design Automation (EDA) flow, essential for achieving desired circuit power, performance, and area (PPA) targets. These logic circuits are typically represented as…

计算复杂性 · 计算机科学 2025-12-16 Junfeng Liu , Qinghua Zhao , Liwei Ni , Jingren Wang , Biwei Xie , Xingquan Li , Bei Yu , Shuai Ma

Direct Preference Optimization (DPO) is a widely used reinforcement learning from human feedback (RLHF) method across various domains. Recent research has increasingly focused on the role of token importance in improving DPO effectiveness.…

计算与语言 · 计算机科学 2025-12-01 Jian Li , Shenglin Yin , Yujia Zhang , Alan Zhao , Xi Chen , Xiaohui Zhou , Pengfei Xu

In this paper, we propose a general framework for the asymptotic analysis of node-based verification-based algorithms. In our analysis we tend the signal length $n$ to infinity. We also let the number of non-zero elements of the signal $k$…

信息论 · 计算机科学 2010-01-14 Yaser Eftekhari , Amir H. Banihashemi , Ioannis Lambadaris

Direction of Arrival (DOA) estimation serves as a critical sensing technology poised to play a vital role in future intelligent and ubiquitous communication systems. Despite the development of numerous mature super-resolution algorithms,…

信号处理 · 电气工程与系统科学 2025-12-23 Jiaji Ren , Ye Tian , Baiyang Liu , Tuo Wu , Wei Liu , Kai-Kit Wong , Kin-Fai Tong , Kwai-Man Luk

The adaptation of foundation models has significantly advanced environmental audio deepfake detection (EADD), a rapidly growing area of research. These models are typically fine-tuned or utilized in their frozen states for downstream tasks.…

The direction of arrival (DOA) estimation algorithms are crucial in localizing acoustic sources. Traditional localization methods rely on block-level processing to extract the directional information from multiple measurements processed…

音频与语音处理 · 电气工程与系统科学 2023-08-15 Ruchi Pandey , Santosh Nannuru

The computation and memory-intensive nature of DNNs limits their use in many mobile and embedded contexts. Application-specific integrated circuit (ASIC) hardware accelerators employ matrix multiplication units (such as the systolic arrays)…

硬件体系结构 · 计算机科学 2024-02-02 Ruiqi Sun , Yinchen Ni , Xin He , Jie Zhao , An Zou

In many data classification problems, there is no linear relationship between an explanatory and the dependent variables. Instead, there may be ranges of the input variable for which the observed outcome is signficantly more or less likely.…

机器学习 · 计算机科学 2016-04-13 Mallory Sheth , Roy Welsch , Natasha Markuzon

In this paper, we propose a novel decentralized framework for optimizing the transmission strategy of Irregular Repetition Slotted ALOHA (IRSA) protocol in sensor networks. We consider a hierarchical communication framework that ensures…

信息论 · 计算机科学 2018-05-21 Eleni Nisioti , Nikolaos Thomos

Multi-channel keyword spotting (KWS) has become crucial for voice-based applications in edge environments. However, its substantial computational and energy requirements pose significant challenges. We introduce ASAP-FE (Agile…

音频与语音处理 · 电气工程与系统科学 2025-12-17 Jongin Choi , Jina Park , Woojoo Lee , Jae-Jin Lee , Massoud Pedram

Deep neural networks (DNN) have demonstrated effectiveness for various applications such as image processing, video segmentation, and speech recognition. Running state-of-the-art DNNs on current systems mostly relies on either…

神经与进化计算 · 计算机科学 2019-04-15 Mohsen Imani , Mohammad Samragh , Yeseong Kim , Saransh Gupta , Farinaz Koushanfar , Tajana Rosing

Most of today's communication systems are designed to target reliable message recovery after receiving the entire encoded message (codeword). However, in many practical scenarios, the transmission process may be interrupted before receiving…

As energy efficiency became a critical factor in the embedded systems domain, dynamic voltage and frequency scaling (DVFS) techniques have emerged as means to control the system's power and energy efficiency. Additionally, due to the…

硬件体系结构 · 计算机科学 2016-01-11 Jonatan Waern , Per Ekemark , Konstantinos Koukos , Stefanos Kaxiras , Alexandra Jimborean

Data assimilation (DA) estimates a dynamical system's state from noisy observations. Recent generative models like the ensemble score filter (EnSF) improve DA in high-dimensional nonlinear settings but are computationally expensive. We…

机器学习 · 统计学 2025-09-30 Taos Transue , Bohan Chen , So Takao , Bao Wang

Recent works have shown that the computational efficiency of video recognition can be significantly improved by reducing the spatial redundancy. As a representative work, the adaptive focus method (AdaFocus) has achieved a favorable…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Yulin Wang , Yang Yue , Yuanze Lin , Haojun Jiang , Zihang Lai , Victor Kulikov , Nikita Orlov , Humphrey Shi , Gao Huang