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This paper presents a new parameter estimation algorithm for the adaptive control of a class of time-varying plants. The main feature of this algorithm is a matrix of time-varying learning rates, which enables parameter estimation error…

最优化与控制 · 数学 2021-11-18 Joseph E. Gaudio , Anuradha M. Annaswamy , Eugene Lavretsky , Michael A. Bolender

Computational virtual high-throughput screening (VHTS) with density functional theory (DFT) and machine-learning (ML)-acceleration is essential in rapid materials discovery. By necessity, efficient DFT-based workflows are carried out with a…

材料科学 · 物理学 2021-06-25 Chenru Duan , Shuxin Chen , Michael G. Taylor , Fang Liu , Heather J. Kulik

Many scientific workflows can be modeled as a Directed Acyclic Graph (henceforth mentioned as DAG) where the nodes represent individual tasks, and the directed edges represent data and control flow dependency between two tasks. Due to the…

计算机与社会 · 计算机科学 2022-12-20 Atharva Tekawade , Suman Banerjee

Linear-response time-dependent Density Functional Theory (LR-TDDFT) is a widely used method for accurately predicting the excited-state properties of physical systems. Previous works have attempted to accelerate LR-TDDFT using heterogeneous…

硬件体系结构 · 计算机科学 2025-04-07 Qingcai Jiang , Buxin Tu , Xiaoyu Hao , Junshi Chen , Hong An

The ubiquity of machine learning (ML) and the demand for ever-larger models bring an increase in energy consumption and environmental impact. However, little is known about the energy scaling laws in ML, and existing research focuses on…

机器学习 · 计算机科学 2026-01-26 Emile Dos Santos Ferreira , Andrei Paleyes , Neil D. Lawrence

This work proposes an algorithm, called NetAdapt, that automatically adapts a pre-trained deep neural network to a mobile platform given a resource budget. While many existing algorithms simplify networks based on the number of MACs or…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Tien-Ju Yang , Andrew Howard , Bo Chen , Xiao Zhang , Alec Go , Mark Sandler , Vivienne Sze , Hartwig Adam

Network Function Virtualization (NFV) on Software-Defined Networks (SDN) can effectively optimize the allocation of Virtual Network Functions (VNFs) and the routing of network flows simultaneously. Nevertheless, most previous studies on NFV…

网络与互联网体系结构 · 计算机科学 2025-10-23 Jian-Jhih Kuo , Shan-Hsiang Shen , Ming-Hong Yang , De-Nian Yang , Ming-Jer Tsai , Wen-Tsuen Chen

Supervised fine-tuning (SFT) is fundamental to adapting large language models, yet training on complete datasets incurs prohibitive costs with diminishing returns. Existing data selection methods suffer from severe domain specificity:…

计算与语言 · 计算机科学 2026-02-02 Junyou Su , He Zhu , Xiao Luo , Liyu Zhang , Hong-Yu Zhou , Yun Chen , Peng Li , Yang Liu , Guanhua Chen

In this paper, we present a bit stream feature based energy model that accurately estimates the energy required to decode a given HEVC-coded bit stream. Therefore, we take a model from literature and extend it by explicitly modeling the…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Christian Herglotz , Dominic Springer , Marc Reichenbach , Benno Stabernack , André Kaup

This thesis investigates dataset downsampling as a strategy to optimize energy efficiency in recommender systems while maintaining competitive performance. With increasing dataset sizes posing computational and environmental challenges,…

信息检索 · 计算机科学 2025-02-17 Ardalan Arabzadeh

Decision tree (and its extensions such as Gradient Boosting Decision Trees and Random Forest) is a widely used machine learning algorithm, due to its practical effectiveness and model interpretability. With the emergence of big data, there…

机器学习 · 计算机科学 2016-11-07 Qi Meng , Guolin Ke , Taifeng Wang , Wei Chen , Qiwei Ye , Zhi-Ming Ma , Tie-Yan Liu

Large scale Density Functional Theory (DFT) based electronic structure calculations are highly time consuming and scale poorly with system size. While semi-empirical approximations to DFT result in a reduction in computational time versus…

材料科学 · 物理学 2016-12-21 Ganesh Hegde , R. Chris Bowen

In this study, we present an incremental machine learning framework called Adaptive Decision Forest (ADF), which produces a decision forest to classify new records. Based on our two novel theorems, we introduce a new splitting strategy…

机器学习 · 计算机科学 2021-01-29 Md Geaur Rahman , Md Zahidul Islam

Random Forest (RF) is a successful paradigm for learning classifiers due to its ability to learn from large feature spaces and seamlessly integrate multi-class classification, as well as the achieved accuracy and processing efficiency.…

计算机视觉与模式识别 · 计算机科学 2016-11-10 Azadeh S. Mozafari , David Vazquez , Mansour Jamzad , Antonio M. Lopez

The random forest algorithm (RF) has several hyperparameters that have to be set by the user, e.g., the number of observations drawn randomly for each tree and whether they are drawn with or without replacement, the number of variables…

机器学习 · 统计学 2019-02-27 Philipp Probst , Marvin Wright , Anne-Laure Boulesteix

Decision tree ensembles are widely used in practice. In this work, we study in ensemble settings the effectiveness of replacing the split strategy for the state-of-the-art online tree learner, Hoeffding Tree, with a rigorous but more eager…

机器学习 · 计算机科学 2021-08-03 Chaitanya Manapragada , Heitor M Gomes , Mahsa Salehi , Albert Bifet , Geoffrey I Webb

Surface adsorption is one of the fundamental processes in numerous fields, including catalysis, environment, energy and medicine. The development of an adsorption model which provides an effective prediction of binding energy in minutes has…

材料科学 · 物理学 2022-07-27 Paolo Restuccia , Ehsan A. Ahmad , Nicholas M. Harrison

In this paper we analyze, evaluate, and improve the performance of training Random Forest (RF) models on modern CPU architectures. An exact, state-of-the-art binary decision tree building algorithm is used as the basis of this study.…

The increasing deployment of large language models (LLMs) in natural language processing (NLP) tasks raises concerns about energy efficiency and sustainability. While prior research has largely focused on energy consumption during model…

计算与语言 · 计算机科学 2026-04-22 Johannes Zschache , Tilman Hartwig

Building's energy consumption prediction is a major concern in the recent years and many efforts have been achieved in order to improve the energy management of buildings. In particular, the prediction of energy consumption in building is…

人工智能 · 计算机科学 2015-07-20 Subodh Paudel , Phuong H. Nguyen , Wil L. Kling , Mohamed Elmitri , Bruno Lacarrière , Olivier Le Corre