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Graph Neural Networks (GNNs) that capture the relationships between graph nodes via message passing have been a hot research direction in the natural language processing community. In this paper, we propose Graph Topic Model (GTM), a GNN…

计算与语言 · 计算机科学 2020-09-30 Deyu Zhou , Xuemeng Hu , Rui Wang

Graph regression is a fundamental task that has gained significant attention in various graph learning tasks. However, the inference process is often not easily interpretable. Current explanation techniques are limited to understanding…

机器学习 · 计算机科学 2024-10-25 Jiaxing Zhang , Zhuomin Chen , Hao Mei , Longchao Da , Dongsheng Luo , Hua Wei

Graph Neural Networks (GNNs) are an emerging research field. This specialized Deep Neural Network (DNN) architecture is capable of processing graph structured data and bridges the gap between graph processing and Deep Learning (DL). As…

分布式、并行与集群计算 · 计算机科学 2023-05-24 Jana Vatter , Ruben Mayer , Hans-Arno Jacobsen

Text Classification is the most essential and fundamental problem in Natural Language Processing. While numerous recent text classification models applied the sequential deep learning technique, graph neural network-based models can…

计算与语言 · 计算机科学 2024-07-08 Kunze Wang , Yihao Ding , Soyeon Caren Han

We propose a neural multi-document summarization (MDS) system that incorporates sentence relation graphs. We employ a Graph Convolutional Network (GCN) on the relation graphs, with sentence embeddings obtained from Recurrent Neural Networks…

计算与语言 · 计算机科学 2017-08-24 Michihiro Yasunaga , Rui Zhang , Kshitijh Meelu , Ayush Pareek , Krishnan Srinivasan , Dragomir Radev

Graph Convolutional Neural Networks (GCNNs) are generalizations of CNNs to graph-structured data, in which convolution is guided by the graph topology. In many cases where graphs are unavailable, existing methods manually construct graphs…

机器学习 · 计算机科学 2019-09-17 Xiang Gao , Wei Hu , Zongming Guo

Text classification is fundamental in natural language processing (NLP), and Graph Neural Networks (GNN) are recently applied in this task. However, the existing graph-based works can neither capture the contextual word relationships within…

计算与语言 · 计算机科学 2020-05-13 Yufeng Zhang , Xueli Yu , Zeyu Cui , Shu Wu , Zhongzhen Wen , Liang Wang

As the content on the Internet continues to grow, many new dynamically changing and heterogeneous sources of data constantly emerge. A conventional search engine cannot crawl and index at the same pace as the expansion of the Internet.…

信息检索 · 计算机科学 2023-04-18 Ulugbek Ergashev , Eduard C. Dragut , Weiyi Meng

Graph neural networks (GNNs) are among the most powerful tools in deep learning. They routinely solve complex problems on unstructured networks, such as node classification, graph classification, or link prediction, with high accuracy.…

机器学习 · 计算机科学 2023-08-21 Maciej Besta , Torsten Hoefler

Recently, text classification model based on graph neural network (GNN) has attracted more and more attention. Most of these models adopt a similar network paradigm, that is, using pre-training node embedding initialization and two-layer…

计算与语言 · 计算机科学 2023-01-26 Jiayuan Chen , Boyu Zhang , Yinfei Xu , Meng Wang

In recent years, Graph Neural Networks (GNNs), which can naturally integrate node information and topological structure, have been demonstrated to be powerful in learning on graph data. These advantages of GNNs provide great potential to…

信息检索 · 计算机科学 2019-11-26 Wenqi Fan , Yao Ma , Qing Li , Yuan He , Eric Zhao , Jiliang Tang , Dawei Yin

Recommender systems (RS) serve as a fundamental tool for navigating the vast expanse of online information, with deep learning advancements playing an increasingly important role in improving ranking accuracy. Among these, graph neural…

信息检索 · 计算机科学 2025-02-18 Bin Wu , Yihang Wang , Yuanhao Zeng , Jiawei Liu , Jiashu Zhao , Cheng Yang , Yawen Li , Long Xia , Dawei Yin , Chuan Shi

Graph neural networks (GNNs) have shown advantages in graph-based analysis tasks. However, most existing methods have the homogeneity assumption and show poor performance on heterophilic graphs, where the linked nodes have dissimilar…

机器学习 · 计算机科学 2024-04-16 Tianhao Peng , Wenjun Wu , Haitao Yuan , Zhifeng Bao , Zhao Pengrui , Xin Yu , Xuetao Lin , Yu Liang , Yanjun Pu

Document structure analysis, such as zone segmentation and table recognition, is a complex problem in document processing and is an active area of research. The recent success of deep learning in solving various computer vision and machine…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Shah Rukh Qasim , Hassan Mahmood , Faisal Shafait

We present a novel graph neural network (GNN) architecture for retrieval-augmented generation (RAG) that leverages query-aware attention mechanisms and learned scoring heads to improve retrieval accuracy on complex, multi-hop questions.…

信息检索 · 计算机科学 2025-08-11 Vibhor Agrawal , Fay Wang , Rishi Puri

Graph neural networks (GNNs) are powerful deep learning models for graph-structured data, demonstrating remarkable success across diverse domains. Recently, the database (DB) community has increasingly recognized the potentiality of GNNs,…

数据库 · 计算机科学 2025-02-20 Ziming Li , Youhuan Li , Yuyu Luo , Guoliang Li , Chuxu Zhang

Most research in reading comprehension has focused on answering questions based on individual documents or even single paragraphs. We introduce a neural model which integrates and reasons relying on information spread within documents and…

计算与语言 · 计算机科学 2022-09-28 Nicola De Cao , Wilker Aziz , Ivan Titov

Recently, graph neural networks (GNNs)-based recommender systems have encountered great success in recommendation. As the number of GNNs approaches rises, some works have started questioning the theoretical and empirical reasons behind…

Graph Convolutional Neural Networks (GCNNs) are the most recent exciting advancement in deep learning field and their applications are quickly spreading in multi-cross-domains including bioinformatics, chemoinformatics, social networks,…

机器学习 · 统计学 2018-08-28 Saurabh Verma , Zhi-Li Zhang

GRank is a recent graph-based recommendation approach the uses a novel heterogeneous information network to model users' priorities and analyze it to directly infer a recommendation list. Unfortunately, GRank neglects the semantics behind…

社会与信息网络 · 计算机科学 2018-11-06 Bita Shams , Saman Haratizadeh