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Leveraging planning during learning and decision-making is central to the long-term development of intelligent agents. Recent works have successfully combined tree-based search methods and self-play learning mechanisms to this end. However,…

人工智能 · 计算机科学 2024-11-01 Matthew V Macfarlane , Edan Toledo , Donal Byrne , Paul Duckworth , Alexandre Laterre

We introduce the Smoothed Online Optimization for Target Tracking (SOOTT) problem, a new framework that integrates three key objectives in online decision-making under uncertainty: (1) tracking cost for following a dynamically moving…

机器学习 · 计算机科学 2025-09-09 Ali Zeynali , Mahsa Sahebdel , Qingsong Liu , Mohammad Hajiesmaili , Ramesh K. Sitaraman

Prompt quality plays a central role in controlling the behavior, reliability, and reasoning performance of large language models (LLMs), particularly for smaller open-source instruction-tuned models that depend heavily on explicit…

计算与语言 · 计算机科学 2026-01-08 Prith Sharma , Austin Z. Henley

While a general embodied agent must function as a unified system, current methods are built on isolated models for understanding, world modeling, and control. This fragmentation prevents unifying multimodal generative capabilities and…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Hongzhe Bi , Hengkai Tan , Shenghao Xie , Zeyuan Wang , Shuhe Huang , Haitian Liu , Ruowen Zhao , Yao Feng , Chendong Xiang , Yinze Rong , Hongyan Zhao , Hanyu Liu , Zhizhong Su , Lei Ma , Hang Su , Jun Zhu

We present a novel adaptive online learning (AOL) framework to predict human movement trajectories in dynamic video scenes. Our framework learns and adapts to changes in the scene environment and generates best network weights for different…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Manh Huynh , Gita Alaghband

This study presents a novel training algorithm depending upon the recently proposed Fitness Dependent Optimizer (FDO). The stability of this algorithm has been verified and performance-proofed in both the exploration and exploitation stages…

神经与进化计算 · 计算机科学 2022-01-04 Dosti Kh. Abbas , Tarik A. Rashid , Karmand H. Abdallaand Nebojsa Bacanin , Abeer Alsadoon

Sentiment analysis plays a crucial role in various domains, such as business intelligence and financial forecasting. Large language models (LLMs) have become a popular paradigm for sentiment analysis, leveraging multi-task learning to…

计算与语言 · 计算机科学 2025-06-30 Hongcheng Ding , Xuanze Zhao , Ruiting Deng , Shamsul Nahar Abdullah , Deshinta Arrova Dewi , Zixiao Jiang

We study the problem of Online Convex Optimization (OCO) with memory, which allows loss functions to depend on past decisions and thus captures temporal effects of learning problems. In this paper, we introduce dynamic policy regret as the…

机器学习 · 计算机科学 2023-08-16 Peng Zhao , Yu-Hu Yan , Yu-Xiang Wang , Zhi-Hua Zhou

Recent decades have witnessed great advancements in multiobjective evolutionary algorithms (MOEAs) for multiobjective optimization problems (MOPs). However, these progressively improved MOEAs have not necessarily been equipped with scalable…

神经与进化计算 · 计算机科学 2023-02-28 Songbai Liu , Qiuzhen Lin , Jianqiang Li , Kay Chen Tan

Multi-objective learning endeavors to concurrently optimize multiple objectives using a single model, aiming to achieve high and balanced performance across diverse objectives. However, this often entails a more complex optimization…

机器学习 · 计算机科学 2025-05-16 Shijun Li , Hilaf Hasson , Jing Hu , Joydeep Ghosh

We consider a learning system based on the conventional multiplicative weight (MW) rule that combines experts' advice to predict a sequence of true outcomes. It is assumed that one of the experts is malicious and aims to impose the maximum…

机器学习 · 计算机科学 2020-09-21 S. Rasoul Etesami , Negar Kiyavash , Vincent Leon , H. Vincent Poor

Meta-learning methods typically follow a two-loop framework, where each loop potentially suffers from notorious overfitting, hindering rapid adaptation and generalization to new tasks. Existing schemes solve it by enhancing the…

机器学习 · 计算机科学 2023-06-16 Ren Wang , Haoliang Sun , Qi Wei , Xiushan Nie , Yuling Ma , Yilong Yin

Designing adaptive classifiers for an evolving data stream is a challenging task due to the data size and its dynamically changing nature. Combining individual classifiers in an online setting, the ensemble approach, is a well-known…

机器学习 · 计算机科学 2017-09-12 Hamed R. Bonab , Fazli Can

Prediction models frequently face the challenge of concept drift, in which the underlying data distribution changes over time, weakening performance. Examples can include models which predict loan default, or those used in healthcare…

机器学习 · 计算机科学 2024-12-16 Louis Chislett , Catalina A. Vallejos , Timothy I. Cannings , James Liley

As models continue to grow in size, the development of memory optimization methods (MOMs) has emerged as a solution to address the memory bottleneck encountered when training large models. To comprehensively examine the practical value of…

机器学习 · 计算机科学 2023-06-06 Xiaoxuan Liu , Siddharth Jha , Alvin Cheung

This study modifies the Covariance Matrix Adaptation Evolution Strategy (CMA-ES) algorithm for multi-modal optimization problems. The enhancements focus on addressing the challenges of multiple global minima, improving the algorithm's…

神经与进化计算 · 计算机科学 2024-07-02 Wathsala Karunarathne , Indu Bala , Dikshit Chauhan , Matthew Roughan , Lewis Mitchell

In text-based person search endeavors, data generation has emerged as a prevailing practice, addressing concerns over privacy preservation and the arduous task of manual annotation. Although the number of synthesized data can be infinite in…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Jintao Sun , Hao Fei , Zhedong Zheng , Gangyi Ding

The Matrix Multiplicative Weight Update (MMWU) is a seminal online learning algorithm with numerous applications. Applied to the matrix version of the Learning from Expert Advice (LEA) problem on the $d$-dimensional spectraplex, it is well…

机器学习 · 计算机科学 2025-09-12 Weiyuan Gong , Tongyang Li , Xinzhao Wang , Zhiyu Zhang

We consider the problem of tracking an adversarial state sequence in a linear dynamical system subject to adversarial disturbances and loss functions, generalizing earlier settings in the literature. To this end, we develop three…

机器学习 · 计算机科学 2022-02-23 Zhiyu Zhang , Ashok Cutkosky , Ioannis Ch. Paschalidis

Compared with the fixed-run designs, the sequential adaptive designs (SAD) are thought to be more efficient and effective. Efficient global optimization (EGO) is one of the most popular SAD methods for expensive black-box optimization…

机器学习 · 计算机科学 2020-10-22 Jianhui Ning , Yao Xiao , Zikang Xiong