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The significant variability in cell size and shape continues to pose a major obstacle in computer-assisted cancer detection on gigapixel Whole Slide Images (WSIs), due to cellular heterogeneity. Current CNN-Transformer hybrids use static…

Image and Video Processing · Electrical Eng. & Systems 2026-03-24 Gia Huy Thai , Hoang-Nguyen Vu , Anh-Minh Phan , Quang-Thinh Ly , Tram Dinh , Thi-Ngoc-Truc Nguyen , Nhat Ho

Graph representation learning has made major strides over the past decade. However, in many relational domains, the input data are not suited for simple graph representations as the relationships between entities go beyond pairwise…

Machine Learning · Computer Science 2021-01-20 Balasubramaniam Srinivasan , Da Zheng , George Karypis

Understanding traffic scenes requires considering heterogeneous information about dynamic agents and the static infrastructure. In this work we propose SCENE, a methodology to encode diverse traffic scenes in heterogeneous graphs and to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Thomas Monninger , Julian Schmidt , Jan Rupprecht , David Raba , Julian Jordan , Daniel Frank , Steffen Staab , Klaus Dietmayer

Node importance estimation (NIE) in heterogeneous knowledge graphs is a critical yet challenging task, essential for applications such as recommendation, knowledge reasoning, and question answering. Existing methods often rely on pairwise…

Artificial Intelligence · Computer Science 2025-12-16 Jiawen Chen , Yanyan He , Qi Shao , Mengli Wei , Duxin Chen , Wenwu Yu , Yanlong Zhao

We propose a graph-oriented attention-based explainability method for tabular data. Tasks involving tabular data have been solved mostly using traditional tree-based machine learning models which have the challenges of feature selection and…

Machine Learning · Computer Science 2024-06-05 Andrea Treviño Gavito , Diego Klabjan , Jean Utke

To achieve parsimonious inference in per-pixel labeling tasks with a limited computational budget, we propose a \emph{Pixel-wise Attentional Gating} unit (\emph{PAG}) that learns to selectively process a subset of spatial locations at each…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Shu Kong , Charless Fowlkes

Heterogeneous graphs (HGs) are composed of multiple types of nodes and edges, making it more effective in capturing the complex relational structures inherent in the real world. However, in real-world scenarios, labeled data is often…

Machine Learning · Computer Science 2025-08-20 Ruobing Jiang , Yacong Li , Haobing Liu , Yanwei Yu

In the age of big data, the demand for hidden information mining in technological intellectual property is increasing in discrete countries. Definitely, a considerable number of graph learning algorithms for technological intellectual…

Information Retrieval · Computer Science 2022-10-13 Yuxin Liu , Yawen Li , Yingxia Shao , Zeli Guan

Generative self-supervised learning on graphs, particularly graph masked autoencoders, has emerged as a popular learning paradigm and demonstrated its efficacy in handling non-Euclidean data. However, several remaining issues limit the…

Machine Learning · Computer Science 2024-02-14 Yijun Tian , Chuxu Zhang , Ziyi Kou , Zheyuan Liu , Xiangliang Zhang , Nitesh V. Chawla

Lattices are an efficient and effective method to encode ambiguity of upstream systems in natural language processing tasks, for example to compactly capture multiple speech recognition hypotheses, or to represent multiple linguistic…

Computation and Language · Computer Science 2019-06-05 Matthias Sperber , Graham Neubig , Ngoc-Quan Pham , Alex Waibel

Hierarchical multi-label classification (HMLC) is essential for modeling structured label dependencies in remote sensing. Yet existing approaches struggle in multi-path settings, where images may activate multiple taxonomic branches,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Boshko Koloski , Marjan Stoimchev , Jurica Levatić , Dragi Kocev , Sašo Džeroski

Most previous heterogeneous graph embedding models represent elements in a heterogeneous graph as vector representations in a low-dimensional Euclidean space. However, because heterogeneous graphs inherently possess complex structures, such…

Machine Learning · Computer Science 2024-04-16 Jongmin Park , Seunghoon Han , Soohwan Jeong , Sungsu Lim

The recent contrastive learning methods, due to their effectiveness in representation learning, have been widely applied to modeling graph data. Random perturbation is widely used to build contrastive views for graph data, which however,…

Machine Learning · Computer Science 2023-07-04 Yucheng Shi , Kaixiong Zhou , Ninghao Liu

Text-to-image (T2I) generation has been actively studied using Diffusion Models and Autoregressive Models. Recently, Masked Generative Transformers have gained attention as an alternative to Autoregressive Models to overcome the inherent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Wonjun Kang , Byeongkeun Ahn , Minjae Lee , Kevin Galim , Seunghyuk Oh , Hyung Il Koo , Nam Ik Cho

The high-dimensional features extracted from large-scale unlabeled data via various pretrained models with diverse architectures are referred to as heterogeneous multiview data. Most existing unsupervised transfer learning methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jie Chen , Yuanbiao Gou , Chuanbin Liu , Zhu Wang , Xi Peng

Graph neural networks (GNN) have been proven to be mature enough for handling graph-structured data on node-level graph representation learning tasks. However, the graph pooling technique for learning expressive graph-level representation…

Machine Learning · Computer Science 2021-04-14 Ning Liu , Songlei Jian , Dongsheng Li , Yiming Zhang , Zhiquan Lai , Hongzuo Xu

Heterogeneous graph pre-training (HGP) has demonstrated remarkable performance across various domains. However, the issue of heterophily in real-world heterogeneous graphs (HGs) has been largely overlooked. To bridge this research gap, we…

Machine Learning · Computer Science 2025-01-16 Haosen Wang , Chenglong Shi , Can Xu , Surong Yan , Pan Tang

Heterogeneous information network (HIN) embedding, aiming to map the structure and semantic information in a HIN to distributed representations, has drawn considerable research attention. Graph neural networks for HIN embeddings typically…

Social and Information Networks · Computer Science 2020-07-07 Di Jin , Zhizhi Yu , Dongxiao He , Carl Yang , Philip S. Yu , Jiawei Han

Knowledge graphs (KGs) have proven to be effective for high-quality recommendation, where the connectivities between users and items provide rich and complementary information to user-item interactions. Most existing methods, however, are…

Information Retrieval · Computer Science 2021-09-16 Xiao Sha , Zhu Sun , Jie Zhang

While graph neural networks (GNNs) have gained popularity for learning circuit representations in various electronic design automation (EDA) tasks, they face challenges in scalability when applied to large graphs and exhibit limited…

Machine Learning · Computer Science 2024-04-12 Chenhui Deng , Zichao Yue , Cunxi Yu , Gokce Sarar , Ryan Carey , Rajeev Jain , Zhiru Zhang