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Genetic algorithms (GAs) that solve hard problems quickly, reliably and accurately are called competent GAs. When the fitness landscape of a problem changes overtime, the problem is called non--stationary, dynamic or time--variant problem.…

神经与进化计算 · 计算机科学 2007-05-23 H. A. Abbass , K. Sastry , D. E. Goldberg

This paper introduces a new approach for continual planning and model learning in relational, non-stationary stochastic environments. Such capabilities are essential for the deployment of sequential decision-making systems in the uncertain…

人工智能 · 计算机科学 2024-07-24 Rushang Karia , Pulkit Verma , Alberto Speranzon , Siddharth Srivastava

Graph-based Retrieval-Augmented Generation (RAG) methods have significantly enhanced the performance of large language models (LLMs) in domain-specific tasks. However, existing RAG methods do not adequately utilize the naturally inherent…

计算与语言 · 计算机科学 2025-09-29 Haoyu Huang , Yongfeng Huang , Junjie Yang , Zhenyu Pan , Yongqiang Chen , Kaili Ma , Hongzhi Chen , James Cheng

This study addresses the critical need for enhanced situational awareness in autonomous driving (AD) by leveraging the contextual reasoning capabilities of large language models (LLMs). Unlike traditional perception systems that rely on…

人工智能 · 计算机科学 2025-01-09 Xuewen Luo , Fan Ding , Fengze Yang , Yang Zhou , Junnyong Loo , Hwa Hui Tew , Chenxi Liu

Aerial robots are increasingly being utilized for environmental monitoring and exploration. However, a key challenge is efficiently planning paths to maximize the information value of acquired data as an initially unknown environment is…

机器人学 · 计算机科学 2022-03-04 Julius Rückin , Liren Jin , Marija Popović

Modelling robot dynamics accurately is essential for control, motion optimisation and safe human-robot collaboration. Given the complexity of modern robotic systems, dynamics modelling remains non-trivial, mostly in the presence of…

机器人学 · 计算机科学 2022-05-11 David Jorge , Gabriella Pizzuto , Michael Mistry

Retrieval-Augmented Generation (RAG) has gained significant attention in recent years for its potential to enhance natural language understanding and generation by combining large-scale retrieval systems with generative models. RAG…

计算与语言 · 计算机科学 2025-03-18 Mingyue Cheng , Yucong Luo , Jie Ouyang , Qi Liu , Huijie Liu , Li Li , Shuo Yu , Bohou Zhang , Jiawei Cao , Jie Ma , Daoyu Wang , Enhong Chen

This paper addresses multi-robot informative path planning (IPP) for environmental monitoring. The problem involves determining informative regions in the environment that should be visited by robots to gather the most information about the…

机器人学 · 计算机科学 2024-03-12 Kalvik Jakkala , Srinivas Akella

Retrieval-Augmented Generation (RAG) systems and large language model (LLM)-powered chatbots have significantly advanced conversational AI by combining generative capabilities with external knowledge retrieval. Despite their success,…

人工智能 · 计算机科学 2025-06-26 Priyaranjan Pattnayak , Amit Agarwal , Hansa Meghwani , Hitesh Laxmichand Patel , Srikant Panda

Retrieval-Augmented Generation (RAG) has emerged as a powerful framework for knowledge-intensive tasks, yet its effectiveness in long-context scenarios is often bottlenecked by the retriever's inability to distinguish sparse yet crucial…

信息检索 · 计算机科学 2026-04-14 Hang Ding , Jiawei Zhou , Haiyun Jiang

We propose Retrieval Augmented Generation (RAG) as an approach for automated radiology report writing that leverages multimodally aligned embeddings from a contrastively pretrained vision language model for retrieval of relevant candidate…

计算与语言 · 计算机科学 2023-05-08 Mercy Ranjit , Gopinath Ganapathy , Ranjit Manuel , Tanuja Ganu

Reconfigurable Intelligent Surface (RIS) has been recognized as a promising solution for enhancing localization accuracy. Traditional RIS-based localization methods typically rely on prior channel knowledge, beam scanning, and pilot-based…

信号处理 · 电气工程与系统科学 2025-04-04 Jiawei Yao , Yijie Mao , Mingzhe Chen , Ye Hu

Remote sensing image retrieval (RSIR) is the process of ranking database images depending on the degree of similarity compared to the query image. As the complexity of RSIR increases due to the diversity in shooting range, angle, and…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Hyunseung Chung , Woo-Jeoung Nam , Seong-Whan Lee

Concept drift and extreme verification latency pose significant challenges in data stream learning, particularly when dealing with recurring concept changes in dynamic environments. This work introduces a novel method based on the Growing…

机器学习 · 计算机科学 2025-04-11 Maria Arostegi , Miren Nekane Bilbao , Jesus L. Lobo , Javier Del Ser

In missions constrained by finite resources, efficient data collection is critical. Informative path planning, driven by automated decision-making, optimizes exploration by reducing the costs associated with accurate characterization of a…

机器人学 · 计算机科学 2024-11-04 Sapphira Akins , Hans Mertens , Frances Zhu

The last decade has seen an explosion in data sources available for the monitoring and prediction of environmental phenomena. While several inferential methods have been developed that make predictions on the underlying process by combining…

统计方法学 · 统计学 2023-03-06 Eun-Hye Yoo , Andrew Zammit-Mangion , Michael G. Chipeta

This work develops a multivariate extension of the Fixed Rank Kriging (FRK) framework for spatial prediction in settings where multiple spatial processes may provide complementary information. The goal is to preserve the computational…

统计方法学 · 统计学 2026-03-24 Gaia Caringi , Piercesare Secchi

Robots can be used to collect environmental data in regions that are difficult for humans to traverse. However, limitations remain in the size of region that a robot can directly observe per unit time. We introduce a method for selecting a…

机器人学 · 计算机科学 2020-09-03 Elizabeth A. Ricci , Madeleine Udell , Ross A. Knepper

We introduce the Self-Adaptive Goal Generation - Robust Intelligent Adaptive Curiosity (SAGG-RIAC) architecture as an intrinsi- cally motivated goal exploration mechanism which allows active learning of inverse models in high-dimensional…

机器学习 · 计算机科学 2013-01-23 Adrien Baranes , Pierre-Yves Oudeyer

In this work, we propose a new Gaussian process regression (GPR) method: physics information aided Kriging (PhIK). In the standard data-driven Kriging, the unknown function of interest is usually treated as a Gaussian process with assumed…

机器学习 · 统计学 2021-11-17 Xiu Yang , Guzel Tartakovsky , Alexandre Tartakovsky