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Big data analytics (BDA) applications use machine learning algorithms to extract valuable insights from large, fast, and heterogeneous data sources. New software engineering challenges for BDA applications include ensuring performance…

软件工程 · 计算机科学 2020-11-18 Camilo Castellanos , Carlos A. Varela , Dario Correal

Derivatives are an important tool for single-objective optimization. In fact, it is commonly accepted that derivative-based methods present a better performance than derivative-free optimization approaches. In this work, we will show that…

最优化与控制 · 数学 2021-02-16 R. Andreani , A. L. Custódio , M. Raydan

Deep metric learning (DML) aims to learn a discriminative high-dimensional embedding space for downstream tasks like classification, clustering, and retrieval. Prior literature predominantly focuses on pair-based and proxy-based methods to…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Xiruo Jiang , Yazhou Yao , Xili Dai , Fumin Shen , Xian-Sheng Hua , Heng-Tao Shen

In this paper, we introduce the quantum adaptive distribution search (QuADS), a quantum continuous optimization algorithm that integrates Grover adaptive search (GAS) with the covariance matrix adaptation - evolution strategy (CMA-ES), a…

量子物理 · 物理学 2024-07-08 Kohei Morimoto , Yusuke Takase , Kosuke Mitarai , Keisuke Fujii

Loss functions and sample mining strategies are essential components in deep metric learning algorithms. However, the existing loss function or mining strategy often necessitate the incorporation of additional hyperparameters, notably the…

多媒体 · 计算机科学 2024-05-01 Xiruo Jiang , Yazhou Yao , Sheng Liu , Fumin Shen , Liqiang Nie , Xiansheng Hua

Understanding the quantum control landscape (QCL) is important for designing effective quantum control strategies. In this study, we analyze the QCL for a single two-level quantum system (qubit) using various control strategies. We employ…

量子物理 · 物理学 2025-05-06 Haftu W. Fentaw , Steve Campbell , Simon Caton

Latent factor models are the driving forces of the state-of-the-art recommender systems, with an important insight of vectorizing raw input features into dense embeddings. The dimensions of different feature embeddings are often set to a…

机器学习 · 计算机科学 2020-09-11 Weiyu Cheng , Yanyan Shen , Linpeng Huang

While supervised stereo matching and monocular depth estimation have advanced significantly with learning-based algorithms, self-supervised methods using stereo images as supervision signals have received relatively less focus and require…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zihua Liu , Yizhou Li , Songyan Zhang , Masatoshi Okutomi

Fine-tuning large language models (LLMs) is often constrained by the computational costs of processing massive datasets. We propose \textbf{QLESS} (Quantized Low-rank Gradient Similarity Search), which integrates gradient quantization with…

Constraining Beyond the Standard Model theories usually involves scanning highly multi-dimensional parameter spaces and check observable predictions against experimental bounds and theoretical constraints. Such task is often timely and…

高能物理 - 唯象学 · 物理学 2023-02-08 Fernando Abreu de Souza , Miguel Crispim Romão , Nuno Filipe Castro , Mehraveh Nikjoo , Werner Porod

The application of standard sufficient dimension reduction methods for reducing the dimension space of predictors without losing regression information requires inverting the covariance matrix of the predictors. This has posed a number of…

统计方法学 · 统计学 2019-10-01 Kabir Opeyemi Olorede , Waheed Babatunde Yahya

Differential MAP-Elites is a novel algorithm that combines the illumination capacity of CVT-MAP-Elites with the continuous-space optimization capacity of Differential Evolution. The algorithm is motivated by observations that illumination…

神经与进化计算 · 计算机科学 2021-07-13 Tae Jong Choi , Julian Togelius

Navigating deceptive domains has often been a challenge in machine learning due to search algorithms getting stuck at sub-optimal local optima. Many algorithms have been proposed to navigate these domains by explicitly maintaining diversity…

神经与进化计算 · 计算机科学 2023-11-07 Ryan Boldi , Li Ding , Lee Spector

Recent work in network quantization has substantially reduced the time and space complexity of neural network inference, enabling their deployment on embedded and mobile devices with limited computational and memory resources. However,…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Bichen Wu , Yanghan Wang , Peizhao Zhang , Yuandong Tian , Peter Vajda , Kurt Keutzer

This paper considers decentralized consensus optimization problems where nodes of a network have access to different summands of a global objective function. Nodes cooperate to minimize the global objective by exchanging information with…

最优化与控制 · 数学 2016-09-21 Aryan Mokhtari , Wei Shi , Qing Ling , Alejandro Ribeiro

Feature subset selection, as a special case of the general subset selection problem, has been the topic of a considerable number of studies due to the growing importance of data-mining applications. In the feature subset selection problem…

机器学习 · 计算机科学 2014-11-13 Tofigh Naghibi , Sarah Hoffmann , Beat Pfister

Quality and diversity are two critical metrics for the training data of large language models (LLMs), positively impacting performance. Existing studies often optimize these metrics separately, typically by first applying quality filtering…

计算与语言 · 计算机科学 2025-04-29 Fengze Liu , Weidong Zhou , Binbin Liu , Zhimiao Yu , Yifan Zhang , Haobin Lin , Yifeng Yu , Bingni Zhang , Xiaohuan Zhou , Taifeng Wang , Yong Cao

In this paper, we propose a nonlinear dimensionality reduction algorithm for the manifold of Symmetric Positive Definite (SPD) matrices that considers the geometry of SPD matrices and provides a low dimensional representation of the…

数值分析 · 计算机科学 2017-02-23 Alireza Davoudi , Saeed Shiry Ghidary , Khadijeh Sadatnejad

Digital Memcomputing machines (DMMs) are dynamical systems with memory (time non-locality) that have been designed to solve combinatorial optimization problems. Their corresponding ordinary differential equations depend on a few…

计算物理 · 物理学 2025-11-17 Chesson Sipling , Yuan-Hang Zhang , Massimiliano Di Ventra

Organizing data into semantically more meaningful is one of the fundamental modes of understanding and learning. Cluster analysis is a formal study of methods for understanding and algorithm for learning. K-mean clustering algorithm is one…

机器学习 · 计算机科学 2013-01-03 Doreswamy , K. S. Hemanth