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Annotating data is a time-consuming and costly task, but it is inherently required for supervised machine learning. Active Learning (AL) is an established method that minimizes human labeling effort by iteratively selecting the most…

Machine Learning · Computer Science 2025-06-05 Julius Gonsior , Tim Rieß , Anja Reusch , Claudio Hartmann , Maik Thiele , Wolfgang Lehner

Hierarchical Imitation Learning (HIL) is a promising approach for tackling long-horizon decision-making tasks. While it is a challenging task due to the lack of detailed supervisory labels for sub-goal learning, and reliance on hundreds to…

Artificial Intelligence · Computer Science 2024-10-04 Chengyang Gu , Yuxin Pan , Haotian Bai , Hui Xiong , Yize Chen

Hierarchical Imitation Learning (HIL) has been proposed to recover highly-complex behaviors in long-horizon tasks from expert demonstrations by modeling the task hierarchy with the option framework. Existing methods either overlook the…

Machine Learning · Computer Science 2023-05-29 Jiayu Chen , Tian Lan , Vaneet Aggarwal

The performance of deep learning models in remote sensing (RS) strongly depends on the availability of high-quality labeled data. However, collecting large-scale annotations is costly and time-consuming, while vast amounts of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Wei Huang , Zhitong Xiong , Chenying Liu , Xiao Xiang Zhu

The progress in hyperbolic neural networks (HNNs) research is hindered by their absence of inductive bias mechanisms, which are essential for generalizing to new tasks and facilitating scalable learning over large datasets. In this paper,…

Machine Learning · Computer Science 2023-10-31 Nurendra Choudhary , Nikhil Rao , Chandan K. Reddy

The application of deep reinforcement learning in multi-agent systems introduces extra challenges. In a scenario with numerous agents, one of the most important concerns currently being addressed is how to develop sufficient collaboration…

Artificial Intelligence · Computer Science 2022-10-12 Bin Zhang , Yunpeng Bai , Zhiwei Xu , Dapeng Li , Guoliang Fan

Node classification is one of the core tasks on attributed graphs, but successful graph learning solutions require sufficiently labeled data. To keep annotation costs low, active graph learning focuses on selecting the most qualitative…

Machine Learning · Computer Science 2023-10-03 Sandra Gilhuber , Julian Busch , Daniel Rotthues , Christian M. M. Frey , Thomas Seidl

Deriving robust control policies for realistic urban navigation scenarios is not a trivial task. In an end-to-end approach, these policies must map high-dimensional images from the vehicle's cameras to low-level actions such as steering and…

Machine Learning · Computer Science 2024-09-06 Gustavo Claudio Karl Couto , Eric Aislan Antonelo

Multi-instance learning is common for computer vision tasks, especially in biomedical image processing. Traditional methods for multi-instance learning focus on designing feature aggregation methods and multi-instance classifiers, where the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yanlun Tu , Houchao Lei , Wei Long , Yang Yang

Graph neural networks (GNNs) have been widely used in deep learning on graphs. They can learn effective node representations that achieve superior performances in graph analysis tasks such as node classification and node clustering.…

Machine Learning · Computer Science 2021-04-19 Jianxin Li , Hao Peng , Yuwei Cao , Yingtong Dou , Hekai Zhang , Philip S. Yu , Lifang He

Reinforcement learning algorithms struggle on tasks with complex hierarchical dependency structures. Humans and other intelligent agents do not waste time assessing the utility of every high-level action in existence, but instead only…

Machine Learning · Computer Science 2022-03-25 Robby Costales , Shariq Iqbal , Fei Sha

Heterophilic Graph Neural Networks (HGNNs) have shown promising results for semi-supervised learning tasks on graphs. Notably, most real-world heterophilic graphs are composed of a mixture of nodes with different neighbor patterns,…

Machine Learning · Computer Science 2025-02-26 Jinluan Yang , Zhengyu Chen , Teng Xiao , Wenqiao Zhang , Yong Lin , Kun Kuang

It has been a challenge to learning skills for an agent from long-horizon unannotated demonstrations. Existing approaches like Hierarchical Imitation Learning(HIL) are prone to compounding errors or suboptimal solutions. In this paper, we…

Machine Learning · Computer Science 2021-06-14 Mingxuan Jing , Wenbing Huang , Fuchun Sun , Xiaojian Ma , Tao Kong , Chuang Gan , Lei Li

Active Learning (AL) is a user-interactive approach aimed at reducing annotation costs by selecting the most crucial examples to label. Although AL has been extensively studied for image classification tasks, the specific scenario of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Leah Bar , Boaz Lerner , Nir Darshan , Rami Ben-Ari

Existing Graph Neural Networks (GNNs) follow the message-passing mechanism that conducts information interaction among nodes iteratively. While considerable progress has been made, such node interaction paradigms still have the following…

Machine Learning · Computer Science 2023-04-14 Jie Chen , Zilong Li , Yin Zhu , Junping Zhang , Jian Pu

Effective governance and steering of behavior in complex multi-agent systems (MAS) are essential for managing system-wide outcomes, particularly in environments where interactions are structured by dynamic networks. In many applications,…

Machine Learning · Computer Science 2024-11-01 Qiliang Chen , Babak Heydari

Graph Active Learning (GAL), which aims to find the most informative nodes in graphs for annotation to maximize the Graph Neural Networks (GNNs) performance, has attracted many research efforts but remains non-trivial challenges. One major…

Machine Learning · Computer Science 2023-08-21 Tianmeng Yang , Min Zhou , Yujing Wang , Zhengjie Lin , Lujia Pan , Bin Cui , Yunhai Tong

Machine unlearning, as a pivotal technology for enhancing model robustness and data privacy, has garnered significant attention in prevalent web mining applications, especially in thriving graph-based scenarios. However, most existing graph…

Machine Learning · Computer Science 2025-01-22 Xunkai Li , Bowen Fan , Zhengyu Wu , Zhiyu Li , Rong-Hua Li , Guoren Wang

Hard interaction learning between source sequences and their next targets is challenging, which exists in a myriad of sequential prediction tasks. During the training process, most existing methods focus on explicitly hard interactions…

Machine Learning · Computer Science 2022-02-15 Kaixi Hu , Lin Li , Qing Xie , Jianquan Liu , Xiaohui Tao

Influence maximization (IM) aims to select a small number of nodes that are able to maximize their influence in a network and covers a wide range of applications. Despite numerous attempts to provide effective solutions in ordinary…

Physics and Society · Physics 2023-10-25 Ming Xie , Xiu-Xiu Zhan , Chuang Liu , Zi-Ke Zhang