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In light of the growing impact of disinformation on social, economic, and political landscapes, accurate and efficient identification methods are increasingly critical. This paper introduces HyperGraphDis, a novel approach for detecting…

Social and Information Networks · Computer Science 2024-04-04 Nikos Salamanos , Pantelitsa Leonidou , Nikolaos Laoutaris , Michael Sirivianos , Maria Aspri , Marius Paraschiv

Human-Object Interaction (HOI) detection devotes to learn how humans interact with surrounding objects via inferring triplets of < human, verb, object >. However, recent HOI detection methods mostly rely on additional annotations (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Dongming Yang , Yuexian Zou

Heterogeneous graphs have multiple node and edge types and are semantically richer than homogeneous graphs. To learn such complex semantics, many graph neural network approaches for heterogeneous graphs use metapaths to capture multi-hop…

Machine Learning · Computer Science 2022-07-26 See Hian Lee , Feng Ji , Wee Peng Tay

With the rising number of interconnected devices and sensors, modeling distributed sensor networks is of increasing interest. Recurrent neural networks (RNN) are considered particularly well suited for modeling sensory and streaming data.…

Machine Learning · Computer Science 2017-11-15 Stephan Baier , Sigurd Spieckermann , Volker Tresp

Long-term memory is essential for conversational agents to maintain coherence, track persistent tasks, and provide personalized interactions across extended dialogues. However, existing approaches as Retrieval-Augmented Generation (RAG) and…

Computation and Language · Computer Science 2026-04-13 Juwei Yue , Chuanrui Hu , Jiawei Sheng , Zuyi Zhou , Wenyuan Zhang , Tingwen Liu , Li Guo , Yafeng Deng

Complex systems frequently exhibit multi-way, rather than pairwise, interactions. These group interactions cannot be faithfully modeled as collections of pairwise interactions using graphs and instead require hypergraphs. However, methods…

Discrete Mathematics · Computer Science 2024-11-25 Jason Niu , Ilya D. Amburg , Sinan G. Aksoy , Ahmet Erdem Sarıyüce

Recently, online social media has become a primary source for new information and misinformation or rumours. In the absence of an automatic rumour detection system the propagation of rumours has increased manifold leading to serious…

Computation and Language · Computer Science 2022-12-21 Shaswat Patel , Prince Bansal , Preeti Kaur

Recent advances in large language model-powered multi-agent systems have demonstrated remarkable collective intelligence through effective communication. However, existing approaches face two primary challenges: (i) \textit{Ineffective…

Multiagent Systems · Computer Science 2026-02-27 Heng Zhang , Yuling Shi , Xiaodong Gu , Zijian Zhang , Haochen You , Lubin Gan , Yilei Yuan , Jin Huang

In this paper, we propose a novel model named DemiNet (short for DEpendency-Aware Multi-Interest Network) to address the above two issues. To be specific, we first consider various dependency types between item nodes and perform…

Information Retrieval · Computer Science 2024-03-12 Yule Wang , Qiang Luo , Yue Ding , Yunzhe Li , Dong Wang , Hongbo Deng

Human-object interaction(HOI) detection is an important task for understanding human activity. Graph structure is appropriate to denote the HOIs in the scene. Since there is an subordination between human and object---human play subjective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Hai Wang , Wei-Shi Zheng , Ling Yingbiao

Dependency graph, as a heterogeneous graph representing the intrinsic relationships between different pairs of system entities, is essential to many data analysis applications, such as root cause diagnosis, intrusion detection, etc. Given a…

Artificial Intelligence · Computer Science 2017-08-29 Chen Luo , Zhengzhang Chen , Lu-An Tang , Anshumali Shrivastava , Zhichun Li

Usual relations between entities could be captured using graphs; but those of a higher-order -- more so between two different types of entities (which we term "left" and "right") -- calls for a "bipartite hypergraph". For example, given a…

Machine Learning · Computer Science 2021-11-02 Govind Sharma , Swyam Prakash Singh , V. Susheela Devi , M. Narasimha Murty

Hypergraphs, as a generalization of traditional graphs, naturally capture high-order relationships. In recent years, hypergraph neural networks (HNNs) have been widely used to capture complex high-order relationships. However, most existing…

Machine Learning · Computer Science 2025-11-25 Renchu Guan , Xuyang Li , Yachao Zhang , Wei Pang , Fausto Giunchiglia , Ximing Li , Yonghao Liu , Xiaoyue Feng

The development of social media platforms has revolutionized the speed and manner in which information is disseminated, leading to both beneficial and detrimental effects on society. While these platforms facilitate rapid communication,…

Social and Information Networks · Computer Science 2025-03-04 Liu Yan , Liu Yunpeng , Zhao Liang

Neural networks are increasingly used for graph classification in a variety of contexts. Social media is a critical application area in this space, however the characteristics of social media graphs differ from those seen in most popular…

Machine Learning · Computer Science 2021-01-01 Thomas Magelinski , David Beskow , Kathleen M. Carley

Hypergraphs are powerful mathematical structures that can model complex, high-order relationships in various domains, including social networks, bioinformatics, and recommender systems. However, generating realistic and diverse hypergraphs…

Machine Learning · Computer Science 2026-03-11 Dorian Gailhard , Enzo Tartaglione , Lirida Naviner , Jhony H. Giraldo

In recent years, Graph Neural Networks has received enormous attention from academia for its huge potential of modeling the network traits such as macrostructure and single node attributes. However, prior mainstream works mainly focus on…

Social and Information Networks · Computer Science 2022-07-13 Yang Yan , Qiuyan Wang

Head and human detection have been rapidly improved with the development of deep convolutional neural networks. However, these two tasks are often studied separately without considering their inherent correlation, leading to that 1) head…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Cheng Chi , Shifeng Zhang , Junliang Xing , Zhen Lei , Stan Z. Li , Xudong Zou

Network motifs are recurrent, small-scale patterns of interactions observed frequently in a system. They shed light on the interplay between the topology and the dynamics of complex networks across various domains. In this work, we focus on…

Social and Information Networks · Computer Science 2023-11-08 Quintino Francesco Lotito , Federico Musciotto , Federico Battiston , Alberto Montresor

Identifying objects in an image and their mutual relationships as a scene graph leads to a deep understanding of image content. Despite the recent advancement in deep learning, the detection and labeling of visual object relationships…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Rajat Koner , Poulami Sinhamahapatra , Volker Tresp