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In model-based reinforcement learning, generative and temporal models of environments can be leveraged to boost agent performance, either by tuning the agent's representations during training or via use as part of an explicit planning…

From ecology to atmospheric sciences, many academic disciplines deal with data characterized by intricate spatio-temporal complexities, the modeling of which often requires specialized approaches. Generative models of these data are of…

机器学习 · 计算机科学 2021-10-01 Konstantin Klemmer , Tianlin Xu , Beatrice Acciaio , Daniel B. Neill

Model-free reinforcement learning has emerged as a powerful method for developing robust robot control policies capable of navigating through complex and unstructured terrains. The effectiveness of these methods hinges on two essential…

机器人学 · 计算机科学 2024-10-15 Youwei Yu , Junhong Xu , Lantao Liu

With the rapid growth of the Internet of Things and Cyber-Physical Systems, widespread sensor deployment has become essential. However, the high costs of building sensor networks limit their scale and coverage, making fine-grained…

机器学习 · 计算机科学 2025-11-14 Zhuoxuan Liang , Wei Li , Dalin Zhang , Ziyu Jia , Yidan Chen , Zhihong Wang , Xiangping Zheng , Moustafa Youssef

Air pollution and carbon emissions caused by modern transportation are closely related to global climate change. With the help of next-generation information technology such as Internet of Things (IoT) and Artificial Intelligence (AI),…

机器学习 · 计算机科学 2022-10-03 Wei Zhao , Shiqi Zhang , Bing Zhou , Bei Wang

With the continuous development of industrial IoT (IIoT) technology, network security is becoming more and more important. And intrusion detection is an important part of its security. However, since the amount of attack traffic is very…

密码学与安全 · 计算机科学 2021-10-08 Lei Zhang , Shuaimin Jiang , Xiajiong Shen , Brij B. Gupta , Zhihong Tian

We present a novel two-layer hierarchical reinforcement learning approach equipped with a Goals Relational Graph (GRG) for tackling the partially observable goal-driven task, such as goal-driven visual navigation. Our GRG captures the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xin Ye , Yezhou Yang

Rapid developments in streaming data technologies have enabled real-time monitoring of human activity that can deliver high-resolution data on health variables over trajectories or paths carved out by subjects as they conduct their daily…

统计方法学 · 统计学 2024-09-11 Tomoya Wakayama , Sudipto Banerjee

Gaussian Processes (GPs) are expressive models for capturing signal statistics and expressing prediction uncertainty. As a result, the robotics community has gathered interest in leveraging these methods for inference, planning, and…

机器人学 · 计算机科学 2023-08-29 Francesco Crocetti , Jeffrey Mao , Alessandro Saviolo , Gabriele Costante , Giuseppe Loianno

Spatio-temporal forecasting is critical in applications such as traffic prediction, energy demand modeling, and weather monitoring. While Graph Attention Networks (GATs) are popular for modeling spatial dependencies, they rely on predefined…

机器学习 · 计算机科学 2025-06-03 Sai Vamsi Alisetti , Vikas Kalagi , Sanjukta Krishnagopal

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

Offline goal-conditioned reinforcement learning (GCRL) often struggles with long-horizon tasks, where errors in value estimation accumulate and produce unreliable policies. It is typically assumed that effective long-term planning is…

机器学习 · 计算机科学 2026-05-26 Evgenii Opryshko , Junwei Quan , Claas Voelcker , Yilun Du , Igor Gilitschenski

Accurate and timely air quality and weather predictions are of great importance to urban governance and human livelihood. Though many efforts have been made for air quality or weather prediction, most of them simply employ one another as…

机器学习 · 计算机科学 2021-01-06 Jindong Han , Hao Liu , Hengshu Zhu , Hui Xiong , Dejing Dou

Forecasting future states of sensors is key to solving tasks like weather prediction, route planning, and many others when dealing with networks of sensors. But complete spatial coverage of sensors is generally unavailable and would…

机器学习 · 计算机科学 2022-11-22 Andreas Roth , Thomas Liebig

Advanced Persistent Threats (APTs) represent a significant challenge in cybersecurity due to their sophisticated and stealthy nature. Traditional Intrusion Detection Systems (IDS) often fall short in detecting these multi-stage attacks.…

密码学与安全 · 计算机科学 2025-01-08 Atmane Ayoub Mansour Bahar , Kamel Soaid Ferrahi , Mohamed-Lamine Messai , Hamida Seba , Karima Amrouche

The use of Internet of Things (IoT) sensors for air pollution monitoring has significantly increased, resulting in the deployment of low-cost sensors. Despite this advancement, accurately calibrating these sensors in uncontrolled…

机器学习 · 计算机科学 2023-09-12 Keivan Faghih Niresi , Mengjie Zhao , Hugo Bissig , Henri Baumann , Olga Fink

Diffusion-based generative models are emerging as powerful tools for long-horizon planning in reinforcement learning (RL), particularly with offline datasets. However, their performance is fundamentally limited by the quality and diversity…

机器学习 · 计算机科学 2025-10-14 Kyowoon Lee , Jaesik Choi

Generative models are designed to address the data scarcity problem. Even with the exploding amount of data, due to computational advancements, some applications (e.g., health care, weather forecast, fault detection) still suffer from data…

机器学习 · 计算机科学 2024-05-07 Alireza Koochali , Maria Walch , Sankrutyayan Thota , Peter Schichtel , Andreas Dengel , Sheraz Ahmed

Spatiotemporal prediction is important in solving natural problems and processing video frames, especially in weather forecasting and human action recognition. Recent advances attempt to incorporate prior physical knowledge into the deep…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Xuanle Zhao , Yue Sun , Ziyi Wang , Bo Xu , Tielin Zhang

One of the primary aspects of sustainable development involves accurate understanding and modeling of environmental phenomena. Many of these phenomena exhibit variations in both space and time and it is imperative to develop a deeper…

机器学习 · 计算机科学 2018-04-30 Sahil Garg , Amarjeet Singh , Fabio Ramos