English
Related papers

Related papers: RAG-HAR: Retrieval Augmented Generation-based Huma…

200 papers

The emergence of self-supervised learning in the field of wearables-based human activity recognition (HAR) has opened up opportunities to tackle the most pressing challenges in the field, namely to exploit unlabeled data to derive reliable…

Signal Processing · Electrical Eng. & Systems 2022-11-22 Harish Haresamudram , Irfan Essa , Thomas Plötz

Causality detection and mining are important tasks in information retrieval due to their enormous use in information extraction, and knowledge graph construction. To solve these tasks, in existing literature there exist several solutions --…

Computation and Language · Computer Science 2025-06-02 Thushara Manjari Naduvilakandy , Hyeju Jang , Mohammad Al Hasan

Sensor-based Human Activity Recognition (HAR) is crucial in ubiquitous computing, analysing behaviours through multi-dimensional observations. Despite research progress, HAR confronts challenges, particularly in data distribution…

Signal Processing · Electrical Eng. & Systems 2025-03-05 Xiaozhou Ye , Kouichi Sakurai , Nirmal Nair , Kevin I-Kai Wang

Human Activity Recognition (HAR) is an ongoing research topic. It has applications in medical support, sports, fitness, social networking, human-computer interfaces, senior care, entertainment, surveillance, and the list goes on.…

Human-Computer Interaction · Computer Science 2021-11-11 Hamza Ali Imran , Saad Wazir , Usman Iftikhar , Usama Latif

We developed a ResNet-based human activity recognition (HAR) model with minimal overhead to detect gait versus non-gait activities and everyday activities (walking, running, stairs, standing, sitting, lying, sit-to-stand transitions). The…

Accurate healthcare prediction is critical for improving patient outcomes and reducing operational costs. Bolstered by growing reasoning capabilities, large language models (LLMs) offer a promising path to enhance healthcare predictions by…

Artificial Intelligence · Computer Science 2025-11-18 Chuang Zhao , Hui Tang , Hongke Zhao , Xiaofang Zhou , Xiaomeng Li

Human activity recognition (HAR) research has increased in recent years due to its applications in mobile health monitoring, activity recognition, and patient rehabilitation. The typical approach is training a HAR classifier offline with…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Sizhe An , Ganapati Bhat , Suat Gumussoy , Umit Ogras

Retrieval-Augmented Generation (RAG) has been shown to enhance the factual accuracy of Large Language Models (LLMs), but existing methods often suffer from limited reasoning capabilities in effectively using the retrieved evidence,…

Computation and Language · Computer Science 2024-10-03 Shayekh Bin Islam , Md Asib Rahman , K S M Tozammel Hossain , Enamul Hoque , Shafiq Joty , Md Rizwan Parvez

The integration of external knowledge through Retrieval-Augmented Generation (RAG) has become foundational in enhancing large language models (LLMs) for knowledge-intensive tasks. However, existing RAG paradigms often overlook the cognitive…

Artificial Intelligence · Computer Science 2025-09-24 Yu Wang , Shiwan Zhao , Zhihu Wang , Ming Fan , Xicheng Zhang , Yubo Zhang , Zhengfan Wang , Heyuan Huang , Ting Liu

With powerful and integrative large language models (LLMs), medical AI agents have demonstrated unique advantages in providing personalized medical consultations, continuous health monitoring, and precise treatment plans.…

Hardware Architecture · Computer Science 2025-11-03 Zhipeng Liao , Kunming Shao , Jiangnan Yu , Liang Zhao , Tim Kwang-Ting Cheng , Chi-Ying Tsui , Jie Yang , Mohamad Sawan

Retrieval-augmented generation (RAG) has proven effective in integrating knowledge into large language models (LLMs). However, conventional RAGs struggle to capture complex relationships between pieces of knowledge, limiting their…

Information Retrieval · Computer Science 2025-12-12 Linhao Luo , Zicheng Zhao , Gholamreza Haffari , Dinh Phung , Chen Gong , Shirui Pan

Human Activity Recognition (HAR) is one of the key applications of health monitoring that requires continuous use of wearable devices to track daily activities. This paper proposes an Adaptive CNN for energy-efficient HAR (AHAR) suitable…

Machine Learning · Computer Science 2022-01-04 Nafiul Rashid , Berken Utku Demirel , Mohammad Abdullah Al Faruque

Recognizing human activities from multi-channel time series data collected from wearable sensors is ever more practical. However, in real-world conditions, coherent activities and body movements could happen at the same time, like moving…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Liming Zhang

Human Activity Recognition (HAR) plays a vital role in applications such as fitness tracking, smart homes, and healthcare monitoring. Traditional HAR systems often rely on single modalities, such as motion sensors or cameras, limiting…

Machine Learning · Computer Science 2025-08-05 Asmit Bandyopadhyay , Rohit Basu , Tanmay Sen , Swagatam Das

Human activity recognition (HAR) has become a popular topic in research because of its wide application. With the development of deep learning, new ideas have appeared to address HAR problems. Here, a deep network architecture using…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Yu Zhao , Rennong Yang , Guillaume Chevalier , Maoguo Gong

Human activity recognition (HAR) is a crucial area of research that involves understanding human movements using computer and machine vision technology. Deep learning has emerged as a powerful tool for this task, with models such as…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Mohammad Belal , Taimur Hassan , Abdelfatah Ahmed , Ahmad Aljarah , Nael Alsheikh , Irfan Hussain

In the many years since the inception of wearable sensor-based Human Activity Recognition (HAR), a wide variety of methods have been introduced and evaluated for their ability to recognize activities. Substantial gains have been made since…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Harish Haresamudram , Chi Ian Tang , Sungho Suh , Paul Lukowicz , Thomas Ploetz

Retrieval-augmented generation (RAG) augments large language models (LLM) by retrieving relevant knowledge, showing promising potential in mitigating LLM hallucinations and enhancing response quality, thereby facilitating the great adoption…

Computation and Language · Computer Science 2024-01-30 Yixuan Tang , Yi Yang

Human Activity Recognition (HAR) from wearable sensor data identifies movements or activities in unconstrained environments. HAR is a challenging problem as it presents great variability across subjects. Obtaining large amounts of labelled…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Arttu Lämsä , Jaakko Tervonen , Jussi Liikka , Constantino Álvarez Casado , Miguel Bordallo López

Retrieval-Augmented Generation (RAG) encounters efficiency challenges when scaling to massive knowledge bases while preserving contextual relevance. We propose Hash-RAG, a framework that integrates deep hashing techniques with systematic…

Information Retrieval · Computer Science 2025-06-04 Jinyu Guo , Xunlei Chen , Qiyang Xia , Zhaokun Wang , Jie Ou , Libo Qin , Shunyu Yao , Wenhong Tian