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Graph neural networks (GNNs) are the predominant approach for graph-based machine learning. While neural networks have shown great performance at learning useful representations, they are often criticized for their limited high-level…

机器学习 · 计算机科学 2024-07-09 Markus Zopf , Francesco Alesiani

Lots of learning tasks require dealing with graph data which contains rich relation information among elements. Modeling physics systems, learning molecular fingerprints, predicting protein interface, and classifying diseases demand a model…

机器学习 · 计算机科学 2021-10-07 Jie Zhou , Ganqu Cui , Shengding Hu , Zhengyan Zhang , Cheng Yang , Zhiyuan Liu , Lifeng Wang , Changcheng Li , Maosong Sun

Convolutional neural networks (CNNs) leverage the great power in representation learning on regular grid data such as image and video. Recently, increasing attention has been paid on generalizing CNNs to graph or network data which is…

社会与信息网络 · 计算机科学 2018-08-21 Yao Ma , Suhang Wang , Charu C. Aggarwal , Dawei Yin , Jiliang Tang

Interpretable graph neural networks (XGNNs ) are widely adopted in various scientific applications involving graph-structured data. Existing XGNNs predominantly adopt the attention-based mechanism to learn edge or node importance for…

机器学习 · 计算机科学 2024-06-13 Yongqiang Chen , Yatao Bian , Bo Han , James Cheng

Graph Neural Networks (GNNs) have achieved promising performance in a variety of graph-focused tasks. Despite their success, however, existing GNNs suffer from two significant limitations: a lack of interpretability in their results due to…

机器学习 · 统计学 2024-11-19 Wenzhuo Zhou , Annie Qu , Keiland W. Cooper , Norbert Fortin , Babak Shahbaba

In this paper, we propose a multi-resolution deep-learning architecture to semantically segment dense large-scale pointclouds. Dense pointcloud data require a computationally expensive feature encoding process before semantic segmentation.…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Liuyue Xie , Tomotake Furuhata , Kenji Shimada

While achieving unmatched performance on many well-defined tasks, deep learning models have also been used to solve visual abstract reasoning tasks, which are relatively less well-defined, and have been widely used to measure human…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Yuan Yang , Deepayan Sanyal , Joel Michelson , James Ainooson , Maithilee Kunda

Recent research has explored the use of Large Language Models (LLMs) for tackling complex graph reasoning tasks. However, due to the intricacies of graph structures and the inherent limitations of LLMs in handling long text, current…

人工智能 · 计算机科学 2025-11-26 Yuwei Hu , Runlin Lei , Xinyi Huang , Zhewei Wei , Yongchao Liu

Answering questions that require reading texts in an image is challenging for current models. One key difficulty of this task is that rare, polysemous, and ambiguous words frequently appear in images, e.g., names of places, products, and…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Difei Gao , Ke Li , Ruiping Wang , Shiguang Shan , Xilin Chen

Recent advancements in multimodal large language models have driven breakthroughs in visual question answering. Yet, a critical gap persists, `conceptualization'-the ability to recognize and reason about the same concept despite variations…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Zahra Babaiee , Peyman M. Kiasari , Daniela Rus , Radu Grosu

This work deals with the challenge of learning and reasoning over multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn cross paragraph reasoning paths and find the…

计算与语言 · 计算机科学 2020-11-19 Chen Zheng , Parisa Kordjamshidi

Computational learning approaches to solving visual reasoning tests, such as Raven's Progressive Matrices (RPM), critically depend on the ability to identify the visual concepts used in the test (i.e., the representation) as well as the…

机器学习 · 计算机科学 2022-07-01 Pritish Sahu , Kalliopi Basioti , Vladimir Pavlovic

In the last decade or so, we have witnessed deep learning reinvigorating the machine learning field. It has solved many problems in the domains of computer vision, speech recognition, natural language processing, and various other tasks…

机器学习 · 计算机科学 2021-09-09 Lilapati Waikhom , Ripon Patgiri

Multiplex graphs, with multiple edge types (graph views) among common nodes, provide richer structural semantics and better modeling capabilities. Multiplex Graph Neural Networks (MGNNs), typically comprising view-specific GNNs and a…

机器学习 · 计算机科学 2025-02-11 Yunhui Liu , Zhen Tao , Xiang Zhao , Jianhua Zhao , Tao Zheng , Tieke He

Extractive text summarization aims at extracting the most representative sentences from a given document as its summary. To extract a good summary from a long text document, sentence embedding plays an important role. Recent studies have…

计算与语言 · 计算机科学 2021-09-10 Baoyu Jing , Zeyu You , Tao Yang , Wei Fan , Hanghang Tong

Large language models (LLMs) show promising performance on small-scale graph reasoning tasks but fail when handling real-world graphs with complex queries. This phenomenon arises from LLMs' working memory constraints, which result in their…

人工智能 · 计算机科学 2025-10-01 Rongzheng Wang , Shuang Liang , Qizhi Chen , Yihong Huang , Muquan Li , Yizhuo Ma , Dongyang Zhang , Ke Qin , Man-Fai Leung

Graph Neural Networks (GNNs) are widely adopted in advanced AI systems due to their capability of representation learning on graph data. Even though GNN explanation is crucial to increase user trust in the systems, it is challenging due to…

机器学习 · 计算机科学 2022-08-08 Tien-Cuong Bui , Wen-syan Li , Sang-Kyun Cha

Graph Neural Networks (GNNs) are a promising deep learning approach for circumventing many real-world problems on graph-structured data. However, these models usually have at least one of four fundamental limitations: over-smoothing,…

机器学习 · 计算机科学 2022-10-03 Xun Liu , Alex Hay-Man Ng , Fangyuan Lei , Yikuan Zhang , Zhengmin Li

Recent advances in neural algorithmic reasoning with graph neural networks (GNNs) are propped up by the notion of algorithmic alignment. Broadly, a neural network will be better at learning to execute a reasoning task (in terms of sample…

机器学习 · 计算机科学 2022-10-12 Andrew Dudzik , Petar Veličković

Neural networks have succeeded in many reasoning tasks. Empirically, these tasks require specialized network structures, e.g., Graph Neural Networks (GNNs) perform well on many such tasks, but less structured networks fail. Theoretically,…

机器学习 · 计算机科学 2020-02-18 Keyulu Xu , Jingling Li , Mozhi Zhang , Simon S. Du , Ken-ichi Kawarabayashi , Stefanie Jegelka