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Multiple Instance Learning (MIL) has enabled weakly supervised analysis of whole-slide images (WSIs) in computational pathology. However, traditional MIL approaches often lose crucial contextual information, while transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Xitong Ling , Minxi Ouyang , Xiaoxiao Li , Jiawen Li , Ying Chen , Yuxuan Sun , Xinrui Chen , Tian Guan , Xiaoping Liu , Yonghong He

This paper presents a novel federated learning solution, QHetFed, suitable for large-scale Internet of Things deployments, addressing the challenges of large geographic span, communication resource limitation, and data heterogeneity.…

Machine Learning · Computer Science 2025-04-08 Seyed Mohammad Azimi-Abarghouyi , Viktoria Fodor

Detection of malicious activities in corporate environments is a very complex task and much effort has been invested into research of its automation. However, vast majority of existing methods operate only in a narrow scope which limits…

Cryptography and Security · Computer Science 2021-11-11 Jan Kohout , Čeněk Škarda , Kyrylo Shcherbin , Martin Kopp , Jan Brabec

The rapid expansion of the Internet of Things (IoT) in domains such as smart cities, transportation, and industrial systems has heightened the urgency of addressing their security vulnerabilities. IoT devices often operate under limited…

Machine Learning · Computer Science 2026-01-27 Jake Lyon , Ehsan Saeedizade , Shamik Sengupta

Modern recommender systems often embed users and items into low-dimensional latent representations, based on their observed interactions. In practical recommendation scenarios, users often exhibit various intents which drive them to…

Information Retrieval · Computer Science 2022-03-29 Lianghao Xia , Yong Xu , Chao Huang , Peng Dai , Liefeng Bo

Heterogeneous information networks (HINs) have been extensively applied to real-world tasks, such as recommendation systems, social networks, and citation networks. While existing HIN representation learning methods can effectively learn…

Artificial Intelligence · Computer Science 2023-07-11 Tsai Hor Chan , Chi Ho Wong , Jiajun Shen , Guosheng Yin

Graph learning has become essential in various domains, including recommendation systems and social network analysis. Graph Neural Networks (GNNs) have emerged as promising techniques for encoding structural information and improving…

Machine Learning · Computer Science 2024-10-10 Lianghao Xia , Ben Kao , Chao Huang

Among all privacy attacks against Machine Learning (ML), membership inference attacks (MIA) attracted the most attention. In these attacks, the attacker is given an ML model and a data point, and they must infer whether the data point was…

Cryptography and Security · Computer Science 2025-12-02 Bram van Dartel , Marc Damie , Florian Hahn

Recommender systems are a critical component of e-commercewebsites. The rapid development of online social networking services provides an opportunity to explore social networks together with information used in traditional recommender…

Social and Information Networks · Computer Science 2024-12-18 Xin Li , Mengyue Wang , T. -P. Liang

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…

Information Retrieval · Computer Science 2022-03-29 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Mengyin Lu , Liefeng Bo

Automatically detecting/segmenting object(s) that blend in with their surroundings is difficult for current models. A major challenge is that the intrinsic similarities between such foreground objects and background surroundings make the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Qiang Zhai , Xin Li , Fan Yang , Chenglizhao Chen , Hong Cheng , Deng-Ping Fan

The ability to reason with and integrate different sensory inputs is the foundation underpinning human intelligence and it is the reason for the growing interest in modelling multi-modal information within Knowledge Graphs. Multi-Modal…

Artificial Intelligence · Computer Science 2024-10-18 Gianluca Apriceno , Valentina Tamma , Tania Bailoni , Jacopo de Berardinis , Mauro Dragoni

To accelerate learning process with few samples, meta-learning resorts to prior knowledge from previous tasks. However, the inconsistent task distribution and heterogeneity is hard to be handled through a global sharing model…

Machine Learning · Computer Science 2022-06-22 Geng Li , Boyuan Ren , Hongzhi Wang

To enable heterogeneous computing systems with autonomous programming and optimization capabilities, we propose a unified, end-to-end, programmable graph representation learning (PGL) framework that is capable of mining the complexity of…

Machine Learning · Computer Science 2022-04-27 Yao Xiao , Guixiang Ma , Nesreen K. Ahmed , Mihai Capota , Theodore Willke , Shahin Nazarian , Paul Bogdan

Social networks, such as Twitter, form a heterogeneous information network (HIN) where nodes represent domain entities (e.g., user, content, advertiser, etc.) and edges represent one of many entity interactions (e.g, a user re-sharing…

Social and Information Networks · Computer Science 2022-09-07 Ahmed El-Kishky , Thomas Markovich , Serim Park , Chetan Verma , Baekjin Kim , Ramy Eskander , Yury Malkov , Frank Portman , Sofía Samaniego , Ying Xiao , Aria Haghighi

This paper investigates the use of multi-agent reinforcement learning (MARL) to address distributed channel access in wireless local area networks. In particular, we consider the challenging yet more practical case where the agents…

Machine Learning · Computer Science 2025-06-13 Jiaming Yu , Le Liang , Chongtao Guo , Ziyang Guo , Shi Jin , Geoffrey Ye Li

Modeling power transmission networks is an important area of research with applications such as vulnerability analysis, study of cascading failures, and location of measurement devices. Graph-theoretic approaches have been widely used to…

Graph Neural Networks (GNNs) have proven to be useful for many different practical applications. However, many existing GNN models have implicitly assumed homophily among the nodes connected in the graph, and therefore have largely…

Machine Learning · Computer Science 2021-06-16 Jiong Zhu , Ryan A. Rossi , Anup Rao , Tung Mai , Nedim Lipka , Nesreen K. Ahmed , Danai Koutra

Resource allocation and scheduling are a common problem in various distributed systems. Although widely studied, the state-of-the-art solutions either do not scale or lack the expressive power to capture the most complex instances of the…

Data Structures and Algorithms · Computer Science 2025-06-03 Rajpreet Singh , Novak Boškov , Aditya Gudal , Manzoor A. Khan

Urban land use inference is a critically important task that aids in city planning and policy-making. Recently, the increased use of sensor and location technologies has facilitated the collection of multi-modal mobility data, offering…

Artificial Intelligence · Computer Science 2026-05-11 Xuehao Zhai , Junqi Jiang , Adam Dejl , Antonio Rago , Fangce Guo , Francesca Toni , Aruna Sivakumar