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Graph path search is a classic computer science problem that has been recently approached with Reinforcement Learning (RL) due to its potential to outperform prior methods. Existing RL techniques typically assume a global view of the…

机器学习 · 计算机科学 2024-11-27 Alexei Pisacane , Victor-Alexandru Darvariu , Mirco Musolesi

As the content on the Internet continues to grow, many new dynamically changing and heterogeneous sources of data constantly emerge. A conventional search engine cannot crawl and index at the same pace as the expansion of the Internet.…

信息检索 · 计算机科学 2023-04-18 Ulugbek Ergashev , Eduard C. Dragut , Weiyi Meng

The high-dimensional or sparse reward task of a reinforcement learning (RL) environment requires a superior potential controller such as hierarchical reinforcement learning (HRL) rather than an atomic RL because it absorbs the complexity of…

机器学习 · 计算机科学 2021-07-20 JaeYoon Kim , Junyu Xuan , Christy Liang , Farookh Hussain

Self-organizing networks face challenges from complex parameter interdependencies and conflicting objectives. This study introduces two compositional learning approaches-Compositional Deep Reinforcement Learning (CDRL) and Compositional…

机器学习 · 计算机科学 2025-06-04 Qi Liao , Parijat Bhattacharjee

Autonomous operation of service robotics in human-centric scenes remains challenging due to the need for understanding of changing environments and context-aware decision-making. While existing approaches like topological maps offer…

机器人学 · 计算机科学 2025-06-03 Jiawei Hou , Xiangyang Xue , Taiping Zeng

Autonomous mobile robots operating in complex, dynamic environments face the dual challenge of navigating large-scale, structurally diverse spaces with static obstacles while safely interacting with various moving agents. Traditional…

机器人学 · 计算机科学 2026-01-01 Yury Kolomeytsev , Dmitry Golembiovsky

Recently, increasing attention has been paid to heterogeneous graph representation learning (HGRL), which aims to embed rich structural and semantic information in heterogeneous information networks (HINs) into low-dimensional node…

机器学习 · 计算机科学 2022-10-12 Zhiqiang Zhong , Cheng-Te Li , Jun Pang

This paper studies the problem of traffic flow forecasting, which aims to predict future traffic conditions on the basis of road networks and traffic conditions in the past. The problem is typically solved by modeling complex…

机器学习 · 计算机科学 2023-09-22 Yusheng Zhao , Xiao Luo , Wei Ju , Chong Chen , Xian-Sheng Hua , Ming Zhang

Recent works have shown that generative data augmentation, where synthetic samples generated from deep generative models complement the training dataset, benefit NLP tasks. In this work, we extend this approach to the task of dialog state…

计算与语言 · 计算机科学 2020-10-08 Kang Min Yoo , Hanbit Lee , Franck Dernoncourt , Trung Bui , Walter Chang , Sang-goo Lee

Decentralized combinatorial optimization in evolving multi-agent systems poses significant challenges, requiring agents to balance long-term decision-making, short-term optimized collective outcomes, while preserving autonomy of interactive…

多智能体系统 · 计算机科学 2025-09-23 Chuhao Qin , Evangelos Pournaras

Recent advances in Reinforcement Learning (RL) combined with Deep Learning (DL) have demonstrated impressive performance in complex tasks, including autonomous driving. The use of RL agents in autonomous driving leads to a smooth human-like…

人工智能 · 计算机科学 2021-07-30 Briti Gangopadhyay , Harshit Soora , Pallab Dasgupta

Representation learning on heterogeneous text-rich networks (HTRNs), which consist of multiple types of nodes and edges with each node associated with textual information, is essential for various real-world applications. Given the success…

机器学习 · 计算机科学 2025-01-23 Qiuyu Zhu , Liang Zhang , Qianxiong Xu , Cheng Long

Training LLMs as interactive agents for multi-turn decision-making remains challenging, particularly in long-horizon tasks with sparse and delayed rewards, where agents must execute extended sequences of actions before receiving meaningful…

机器学习 · 计算机科学 2026-05-12 Jiangweizhi Peng , Yuanxin Liu , Ruida Zhou , Charles Fleming , Zhaoran Wang , Alfredo Garcia , Mingyi Hong

Predictive tasks on relational databases are critical in real-world applications spanning e-commerce, healthcare, and social media. To address these tasks effectively, Relational Deep Learning (RDL) encodes relational data as graphs,…

机器学习 · 计算机科学 2025-06-10 Tianlang Chen , Charilaos Kanatsoulis , Jure Leskovec

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures. Prior graph-based approaches have aimed…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ruiqi Liu , Xingyu Liu , Xiaohao Xu , Yixuan Zhang , Yongxin Ge , Lubin Weng

Effective decision-making on networks often relies on learning from graph-structured data, where Graph Neural Networks (GNNs) play a central role, but they take efforts to configure and tune. In this demo, we propose LLMNet, showing how to…

机器学习 · 计算机科学 2025-06-18 Xiaohan Zheng , Lanning Wei , Yong Li , Quanming Yao

Many previous studies aim to augment collaborative filtering with deep neural network techniques, so as to achieve better recommendation performance. However, most existing deep learning-based recommender systems are designed for modeling…

信息检索 · 计算机科学 2022-03-29 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Mengyin Lu , Liefeng Bo

Adaptive cooperation in multi-agent reinforcement learning (MARL) requires policies to express homogeneous, specialised, or mixed behaviours, yet achieving this adaptivity remains a critical challenge. While parameter sharing (PS) is…

机器学习 · 计算机科学 2025-10-30 Kale-ab Abebe Tessera , Arrasy Rahman , Amos Storkey , Stefano V. Albrecht

Construction of neural network architectures suitable for learning from both continuous and discrete tabular data is a challenging research endeavor. Contemporary high-dimensional tabular data sets are often characterized by a relatively…

机器学习 · 计算机科学 2025-02-14 Boshko Koloski , Nada Lavrač , Blaž Škrlj

We present a dynamic policy-learning approach that combines generalized planning and hierarchical task decomposition for LLM-based agents. Our method, Hierarchical Component Learning for Generalized Policies (HCL-GP ), learns parameterized…

人工智能 · 计算机科学 2026-05-11 Shirin Sohrabi , Haritha Ananthakrishnan , Harsha Kokel , Kavitha Srinivas , Michael Katz