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Aiming at the latest particle swarm optimization algorithm, this paper proposes an improved Transformer model to improve the accuracy of heart disease prediction and provide a new algorithm idea. We first use three mainstream machine…

人工智能 · 计算机科学 2025-01-08 Jingyuan Yi , Peiyang Yu , Tianyi Huang , Zeqiu Xu

Compressed sensing (CS) model of complex-valued data can represent the signal recovery process of a large amount types of radar systems, especially when the measurement matrix is row-orthogonal. Based on debiased least absolute shrinkage…

信号处理 · 电气工程与系统科学 2023-07-28 Siqi Na , Tianyao Huang , Yimin Liu , Takashi Takahashi , Yoshiyuki Kabashima , Xiqin Wang

We propose a novel Caputo fractional derivative-based optimization algorithm. Upon defining the Caputo fractional gradient with respect to the Cartesian coordinate, we present a generic Caputo fractional gradient descent (CFGD) method. We…

最优化与控制 · 数学 2021-04-07 Yeonjong Shin , Jérôme Darbon , George Em Karniadakis

Nowadays swarm intelligence-based algorithms are being used widely to optimize the dynamic traveling salesman problem (DTSP). In this paper, we have used mixed method of Ant Colony Optimization (AOC)and gradient descent to optimize DTSP…

神经与进化计算 · 计算机科学 2013-07-30 Farhad Soleimanian Gharehchopogh , Isa Maleki , Seyyed Reza Khaze

While evolutionary algorithms are known to be very successful for a broad range of applications, the algorithm designer is often left with many algorithmic choices, for example, the size of the population, the mutation rates, and the…

神经与进化计算 · 计算机科学 2015-04-14 Benjamin Doerr , Carola Doerr

We introduce a novel two-stage parameter estimation framework designed to improve computational efficiency in settings involving complex, stochastic, or analytically intractable dynamic models. The proposed method, termed…

统计方法学 · 统计学 2025-07-04 Renata Retkute , Christopher A. Gilligan

Recent improvements in the predictive quality of natural language processing systems are often dependent on a substantial increase in the number of model parameters. This has led to various attempts of compressing such models, but existing…

计算与语言 · 计算机科学 2021-08-12 Guy Rotman , Amir Feder , Roi Reichart

We consider distributionally robust optimization (DRO) problems, reformulated as distributionally robust feasibility (DRF) problems, with multiple expectation constraints. We propose a generic stochastic first-order meta-algorithm, where…

最优化与控制 · 数学 2023-05-29 Hyungki Im , Paul Grigas

An artificial Ant Colony System (ACS) algorithm to solve general-purpose combinatorial Optimization Problems (COP) that extends previous AC models [21] by the inclusion of a negative pheromone, is here described. Several Travelling Salesman…

神经与进化计算 · 计算机科学 2013-06-14 Vitorino Ramos , David M. S. Rodrigues , Jorge Louçã

In this paper, a non-probabilistic method based on fuzzy logic is used to update finite element models (FEMs). Model updating techniques use the measured data to improve the accuracy of numerical models of structures. However, the measured…

人工智能 · 计算机科学 2017-01-05 I. Boulkaibet , T. Marwala , M. I. Friswell , H. Haddad Khodaparast , S. Adhikari

In the realm of cyber-security, detecting Advanced Persistent Threats (APTs) remains a formidable challenge due to their stealthy and sophisticated nature. This research paper presents an innovative approach that leverages Convolutional…

密码学与安全 · 计算机科学 2024-09-02 Ali M. Bakhiet , Salah A. Aly

In this paper, we propose sparsity-aware data-selective adaptive filtering algorithms with adjustable penalties. Prior work incorporates a penalty function into the cost function used in the optimization that originates the algorithms to…

数据结构与算法 · 计算机科学 2017-08-08 André Flores , Rodrigo C. de Lamare

Aligning large language models with human preferences must balance two competing goals: responding helpfully to legitimate requests and reliably refusing harmful ones. Most preference-based safety alignment methods collapse safety into a…

计算与语言 · 计算机科学 2026-04-22 Tiankai Yang , Yi Nian , Xinyuan Li , Ruiyao Xu , Kaize Ding , Yue Zhao

This work focuses on a comparison between the performances of two well-known Swarm algorithms: Cuckoo Search (CS) and Firefly Algorithm (FA), in estimating the parameters of Software Reliability Growth Models. This study is further…

人工智能 · 计算机科学 2020-03-11 Najla Akram AL-Saati , Marrwa Abd-AlKareem Alabajee

In this paper we propose a novel artificial multi-swarm PSO which consists of an exploration swarm, an artificial exploitation swarm and an artificial convergence swarm. The exploration swarm is a set of equal-sized sub-swarms randomly…

神经与进化计算 · 计算机科学 2020-06-23 Haohao Zhou , Zhi-Hui Zhan , Zhi-Xin Yang , Xiangzhi Wei

Accurate parameter identification in photovoltaic (PV) models is crucial for performance evaluation but remains challenging due to their nonlinear, multimodal, and high-dimensional nature. Although the Dung Beetle Optimization (DBO)…

神经与进化计算 · 计算机科学 2025-08-12 Yiwei Li , Zhihua Allen-Zhao , Yuncheng Xu , Sanyang Liu

We introduce a novel first-order stochastic swarm intelligence (SI) model in the spirit of consensus formation models, namely a consensus-based optimization (CBO) algorithm, which may be used for the global optimization of a function in…

概率论 · 数学 2017-10-06 René Pinnau , Claudia Totzeck , Oliver Tse , Stephan Martin

The offline time of the reduced basis method can be very long given a large training set of parameter samples. This usually happens when the system has more than two independent parameters. On the other hand, if the training set includes…

数值分析 · 数学 2023-04-04 Sridhar Chellappa , Lihong Feng , Peter Benner

BPSO algorithm is a swarm intelligence optimization algorithm, which has the characteristics of good optimization effect, high efficiency and easy to implement. In recent years, it has been used to optimize a variety of machine learning and…

神经与进化计算 · 计算机科学 2024-07-26 Qing Zhao , Chengkui Zhang , Hao Li , Ting Ke

This article addresses improvements on the design of the adaptive normalized matched filter (ANMF) for radar detection. It is well-acknowledged that the estimation of the noise-clutter covariance matrix is a fundamental step in adaptive…

信息论 · 计算机科学 2015-05-15 Abla Kammoun , Romain Couillet , Frederic Pascal , Mohamed-Slim Alouini