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Graph machine learning has been extensively studied in both academia and industry. However, in the literature, most existing graph machine learning models are designed to conduct training with data samples in a random order, which may…

Machine Learning · Computer Science 2024-03-14 Haoyang Li , Xin Wang , Wenwu Zhu

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…

Machine Learning · Computer Science 2021-07-20 JaeYoon Kim , Junyu Xuan , Christy Liang , Farookh Hussain

Graph Learning (GL) is at the core of inference and analysis of connections in data mining and machine learning (ML). By observing a dataset of graph signals, and considering specific assumptions, Graph Signal Processing (GSP) tools can…

Machine Learning · Computer Science 2022-11-08 Aref Einizade , Sepideh Hajipour Sardouie

Heterogeneous graphs with heterophily have emerged as a powerful abstraction for modeling complex real-world systems, where nodes of different types and labels interact in diverse and often non-homophilous ways. Despite recent advances,…

Artificial Intelligence · Computer Science 2026-05-01 Yihan Zhang , Ercan E. Kuruoglu

Operating systems include many heuristic algorithms designed to improve overall storage performance and throughput. Because such heuristics cannot work well for all conditions and workloads, system designers resorted to exposing numerous…

We introduce a new hierarchical deep learning framework for recursive higher-order meta-learning that enables neural networks (NNs) to construct, solve, and generalise across hierarchies of tasks. Central to this approach is a generative…

Machine Learning · Computer Science 2025-07-04 David H. Mguni

In class-incremental learning (CIL) scenarios, the phenomenon of catastrophic forgetting caused by the classifier's bias towards the current task has long posed a significant challenge. It is mainly caused by the characteristic of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Xusheng Cao , Haori Lu , Linlan Huang , Xialei Liu , Ming-Ming Cheng

Document images are a ubiquitous source of data where the text is organized in a complex hierarchical structure ranging from fine granularity (e.g., words), medium granularity (e.g., regions such as paragraphs or figures), to coarse…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Zilong Wang , Jiuxiang Gu , Chris Tensmeyer , Nikolaos Barmpalios , Ani Nenkova , Tong Sun , Jingbo Shang , Vlad I. Morariu

The joint optimization of representation learning and clustering in the embedding space has experienced a breakthrough in recent years. In spite of the advance, clustering with representation learning has been limited to flat-level…

Machine Learning · Computer Science 2019-03-26 Su-Jin Shin , Kyungwoo Song , Il-Chul Moon

Deep multi-task learning attracts much attention in recent years as it achieves good performance in many applications. Feature learning is important to deep multi-task learning for sharing common information among tasks. In this paper, we…

Machine Learning · Computer Science 2020-02-13 Pengxin Guo , Chang Deng , Linjie Xu , Xiaonan Huang , Yu Zhang

The burgeoning presence of Large Language Models (LLM) is propelling the development of personalized recommender systems. Most existing LLM-based methods fail to sufficiently explore the multi-view graph structure correlations inherent in…

Information Retrieval · Computer Science 2025-07-30 Xu Guo , Tong Zhang , Yuanzhi Wang , Chenxu Wang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

Hybridizing machine learning techniques with metaheuristics has attracted significant attention in recent years. Many attempts employ supervised or reinforcement learning to support the decision-making of heuristic methods. However, in some…

Machine Learning · Computer Science 2026-02-25 Bruna C. B. Charytitsch , Mariá C. V. Nascimento

Hierarchical Extreme Multi-Label Classification poses greater difficulties compared to traditional multi-label classification because of the intricate hierarchical connections of labels within a domain-specific taxonomy and the substantial…

Machine Learning · Computer Science 2025-05-08 Linqing Chen , Weilei Wang , Wentao Wu , Hanmeng Zhong

Unsupervised semantic segmentation aims to discover groupings within and across images that capture object and view-invariance of a category without external supervision. Grouping naturally has levels of granularity, creating ambiguity in…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Tsung-Wei Ke , Jyh-Jing Hwang , Yunhui Guo , Xudong Wang , Stella X. Yu

We describe a new software framework for fast training of generalized linear models. The framework, named Snap Machine Learning (Snap ML), combines recent advances in machine learning systems and algorithms in a nested manner to reflect the…

Today's scene graph generation (SGG) models typically require abundant manual annotations to learn new predicate types. Therefore, it is difficult to apply them to real-world applications with massive uncommon predicate categories whose…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Xingchen Li , Jun Xiao , Guikun Chen , Yinfu Feng , Yi Yang , An-an Liu , Long Chen

Recent years have witnessed the success of heterogeneous graph neural networks (HGNNs) in modeling heterogeneous information networks (HINs). In this paper, we focus on the benchmark task of HGNNs, i.e., node classification, and empirically…

Social and Information Networks · Computer Science 2023-04-04 Cheng Yang , Xumeng Gong , Chuan Shi , Philip S. Yu

Goal-oriented reinforcement learning has recently been a practical framework for robotic manipulation tasks, in which an agent is required to reach a certain goal defined by a function on the state space. However, the sparsity of such…

Machine Learning · Computer Science 2019-12-19 Zhizhou Ren , Kefan Dong , Yuan Zhou , Qiang Liu , Jian Peng

Multivariate time-series forecasting is a critical task for many applications, and graph time-series network is widely studied due to its capability to capture the spatial-temporal correlation simultaneously. However, most existing works…

Machine Learning · Computer Science 2022-10-14 Hongyuan Yu , Ting Li , Weichen Yu , Jianguo Li , Yan Huang , Liang Wang , Alex Liu

Graph augmentations are essential for graph contrastive learning. Most existing works use pre-defined random augmentations, which are usually unable to adapt to different input graphs and fail to consider the impact of different nodes and…

Machine Learning · Computer Science 2023-03-28 Yifu Chen , Qianqian Ren , Liu Yong