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In this letter, we propose a novel adaptive reduced-rank strategy based on joint iterative optimization (JIO) of filters according to the minimization of the bit error rate (BER) cost function. The proposed optimization technique adjusts…

Information Theory · Computer Science 2013-02-19 Yunlong Cai , Rodrigo C. de Lamare

Adapting models pre-trained on large-scale datasets is a proven way to reach strong performance quickly for down-stream tasks. However, the growth of state-of-the-art mod-els makes traditional full fine-tuning unsuitable and difficult,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Maxime Fontana , Michael Spratling , Miaojing Shi

Federated learning aggregates model updates from distributed clients, but standard first order methods such as FedAvg apply the same scalar weight to all parameters from each client. Under non-IID data, these uniformly weighted updates can…

Machine Learning · Computer Science 2026-01-21 Zhipeng Chang , Ting He , Wenrui Hao

Nature-inspired algorithms such as Particle Swarm Optimization and Firefly Algorithm are among the most powerful algorithms for optimization. In this paper, we intend to formulate a new metaheuristic algorithm by combining Levy flights with…

Optimization and Control · Mathematics 2010-03-09 Xin-She Yang

We introduce the payload optimization method for federated recommender systems (FRS). In federated learning (FL), the global model payload that is moved between the server and users depends on the number of items to recommend. The model…

Machine Learning · Computer Science 2021-07-29 Farwa K. Khan , Adrian Flanagan , Kuan E. Tan , Zareen Alamgir , Muhammad Ammad-Ud-Din

Although Large language Model (LLM)-powered information extraction (IE) systems have shown impressive capabilities, current fine-tuning paradigms face two major limitations: high training costs and difficulties in aligning with LLM…

Computation and Language · Computer Science 2025-12-16 Yushen Fang , Jianjun Li , Mingqian Ding , Chang Liu , Xinchi Zou , Wenqi Yang

One of the main limitations of utilizing optimal wavefront shaping in imaging and authentication applications is the slow speed of the optimization algorithms currently being used. To address this problem we develop a micro-genetic…

Federated learning (FL), as a disruptive machine learning paradigm, enables the collaborative training of a global model over decentralized local datasets without sharing them. It spans a wide scope of applications from Internet-of-Things…

Signal Processing · Electrical Eng. & Systems 2022-04-01 Yuhan Yang , Yong Zhou , Youlong Wu , Yuanming Shi

Federated learning (FL) has attracted increasing attention as a promising approach to driving a vast number of end devices with artificial intelligence. However, it is very challenging to guarantee the efficiency of FL considering the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-26 Wentai Wu , Ligang He , Weiwei Lin , Rui Mao , Carsten Maple , Stephen Jarvis

In this paper, a new meta-heuristic algorithm, called beetle swarm optimization algorithm, is proposed by enhancing the performance of swarm optimization through beetle foraging principles. The performance of 23 benchmark functions is…

Neural and Evolutionary Computing · Computer Science 2020-07-09 Tiantian Wang , Long Yang

Bayesian Federated Learning (FL) has been recently introduced to provide well-calibrated Machine Learning (ML) models quantifying the uncertainty of their predictions. Despite their advantages compared to frequentist FL setups, Bayesian FL…

Machine Learning · Computer Science 2024-05-12 Luca Barbieri , Stefano Savazzi , Monica Nicoli

A design method for chromatic dispersion compensation filters realized using overlap-save processing in the frequency domain is proposed. Based on the idea to use the values that are normally zero-padded, better results than using optimal…

Signal Processing · Electrical Eng. & Systems 2023-08-14 Oscar Gustafsson , Cheolyong Bae , Hakan Johansson

Balancing multiple competing and conflicting objectives is an essential task for any artificial intelligence tasked with satisfying human values or preferences. Conflict arises both from misalignment between individuals with competing…

Artificial Intelligence · Computer Science 2022-08-15 Benjamin J Smith , Robert Klassert , Roland Pihlakas

Fine-tuning text-to-image diffusion models with human feedback is an effective method for aligning model behavior with human intentions. However, this alignment process often suffers from slow convergence due to the large size and noise…

Machine Learning · Computer Science 2025-04-03 Yongjin Yang , Sihyeon Kim , Hojung Jung , Sangmin Bae , SangMook Kim , Se-Young Yun , Kimin Lee

In this paper we examine a formalization of feature distribution learning (FDL) in information-theoretic terms relying on the analytical approach and on the tools already used in the study of the information bottleneck (IB). It has been…

Machine Learning · Computer Science 2019-10-22 Fabio Massimo Zennaro , Ke Chen

Artificial fish swarm algorithm (AFSA) is one of the swarm intelligence optimization algorithms that works based on population and stochastic search. In order to achieve acceptable result, there are many parameters needs to be adjusted in…

Artificial Intelligence · Computer Science 2014-06-04 Reza Azizi

The dynamic environment in the real world calls for the adaptive techniques for information filtering, namely to provide real-time responses to the changes of system data. Where many incremental algorithms are designed for this purpose,…

Information Retrieval · Computer Science 2009-11-26 Ci-Hang Jin , Jian-Guo Liu , Yi-Cheng Zhang , Tao Zhou

In this Letter, we introduce a modified collaborative filtering (MCF) algorithm, which has remarkably higher accuracy than the standard collaborative filtering. In the MCF, instead of the standard Pearson coefficient, the user-user…

Data Analysis, Statistics and Probability · Physics 2015-05-13 Jian-Guo Liu , Tao Zhou , Bing-Hong Wang , Yi-Cheng Zhang

In this paper, a third-order time adaptive algorithm with less computation, low complexity is provided for shale reservoir model based on coupled fluid flow with porous media flow. The algorithm combines the three-step linear time filters…

Numerical Analysis · Mathematics 2024-07-26 Jian Li , Lele Chen , Yi Qin , Zhangxin Chen

In this paper, we introduce a method for fine-tuning Large Language Models (LLMs), inspired by Multi-Task learning in a federated manner. Our approach leverages the structure of each client's model and enables a learning scheme that…

Machine Learning · Computer Science 2024-10-22 Ahmed Elbakary , Chaouki Ben Issaid , Tamer ElBatt , Karim Seddik , Mehdi Bennis