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For management, documents are categorized into a specific category, and to do these, most of the organizations use manual labor. In today's automation era, manual efforts on such a task are not justified, and to avoid this, we have so many…

机器学习 · 计算机科学 2020-04-20 Ritu Yadav

Auto-encoders have emerged as a successful framework for unsupervised learning. However, conventional auto-encoders are incapable of utilizing explicit relations in structured data. To take advantage of relations in graph-structured data,…

机器学习 · 计算机科学 2019-05-28 Amin Salehi , Hasan Davulcu

Attention mechanism in graph neural networks is designed to assign larger weights to important neighbor nodes for better representation. However, what graph attention learns is not understood well, particularly when graphs are noisy. In…

机器学习 · 计算机科学 2022-04-12 Dongkwan Kim , Alice Oh

Neural architecture search has attracted wide attentions in both academia and industry. To accelerate it, researchers proposed weight-sharing methods which first train a super-network to reuse computation among different operators, from…

机器学习 · 计算机科学 2020-12-16 Xin Chen , Lingxi Xie , Jun Wu , Longhui Wei , Yuhui Xu , Qi Tian

Graph Neural Networks have demonstrated significant success in graph classification tasks, yet they often require substantial computational resources and struggle to capture global graph properties effectively. We introduce LightTopoGAT, a…

机器学习 · 计算机科学 2025-12-16 Ankit Sharma , Sayan Roy Gupta

Graph convolutional networks (GCN) have recently demonstrated their potential in analyzing non-grid structure data that can be represented as graphs. The core idea is to encode the local topology of a graph, via convolutions, into the…

机器学习 · 计算机科学 2021-01-12 Yiding Yang , Xinchao Wang , Mingli Song , Junsong Yuan , Dacheng Tao

Given the success of Graph Neural Networks (GNNs) for structure-aware machine learning, many studies have explored their use for text classification, but mostly in specific domains with limited data characteristics. Moreover, some…

计算与语言 · 计算机科学 2024-01-23 Margarita Bugueño , Gerard de Melo

In this paper, we design Graph Neural Networks (GNNs) with attention mechanisms to tackle an important yet challenging nonlinear regression problem: massive network localization. We first review our previous network localization method…

机器学习 · 计算机科学 2025-04-08 Wenzhong Yan , Feng Yin , Juntao Wang , Geert Leus , Abdelhak M. Zoubir , Yang Tian

Graph Neural Networks (GNN) have shown remarkable performance in different tasks. However, there are a few studies about GNN on recommender systems. GCN as a type of GNNs can extract high-quality embeddings for different entities in a…

信息检索 · 计算机科学 2022-01-17 Taher Hekmatfar , Saman Haratizadeh , Parsa Razban , Sama Goliaei

Due to their inherent capability in semantic alignment of aspects and their context words, attention mechanism and Convolutional Neural Networks (CNNs) are widely applied for aspect-based sentiment classification. However, these models lack…

计算与语言 · 计算机科学 2019-10-15 Chen Zhang , Qiuchi Li , Dawei Song

With the tremendous growth in the number of scientific papers being published, searching for references while writing a scientific paper is a time-consuming process. A technique that could add a reference citation at the appropriate place…

计算与语言 · 计算机科学 2019-03-18 Chanwoo Jeong , Sion Jang , Hyuna Shin , Eunjeong Park , Sungchul Choi

Graph Neural Networks (GNNs) have emerged as the de facto standard for modeling graph data, with attention mechanisms and transformers significantly enhancing their performance on graph-based tasks. Despite these advancements, the…

机器学习 · 计算机科学 2025-04-07 Nikhil Shivakumar Nayak

We propose a novel application of graph attention networks (GATs), a type of graph neural network enhanced with attention mechanisms, to develop a deep learning algorithm for detecting collusive behavior, leveraging predictive features…

计量经济学 · 经济学 2025-07-18 David Imhof , Emanuel W Viklund , Martin Huber

In computer vision tasks, the ability to focus on relevant regions within an image is crucial for improving model performance, particularly when key features are small, subtle, or spatially dispersed. Convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Mahmudul Hasan

The number of scientific papers has increased rapidly in recent years. How to make good use of scientific papers for research is very important. Through the high-quality classification of scientific papers, researchers can quickly find the…

信息检索 · 计算机科学 2022-10-10 Jiashun Liu , Zhe Xue , Ang Li

Due to the cost of labeling nodes, classifying a node in a sparsely labeled graph while maintaining the prediction accuracy deserves attention. The key point is how the algorithm learns sufficient information from more neighbors with…

机器学习 · 计算机科学 2020-04-10 Chaojie Ji , Ruxin Wang , Rongxiang Zhu , Yunpeng Cai , Hongyan Wu

Graph neural networks (GNN) have been ubiquitous in graph node classification tasks. Most of GNN methods update the node embedding iteratively by aggregating its neighbors' information. However, they often suffer from negative disturbance,…

机器学习 · 计算机科学 2022-02-02 Jie Chen , Shouzhen Chen , Mingyuan Bai , Jian Pu , Junping Zhang , Junbin Gao

A comprehensive and high-quality lexicon plays a crucial role in traditional text classification approaches. And it improves the utilization of the linguistic knowledge. Although it is helpful for the task, the lexicon has got little…

计算与语言 · 计算机科学 2020-02-19 QingBiao LI , Chunhua Wu , Kangfeng Zheng

As one of the most popular GNN architectures, the graph attention networks (GAT) is considered the most advanced learning architecture for graph representation and has been widely used in various graph mining tasks with impressive results.…

机器学习 · 计算机科学 2023-01-18 Jingbo Zhou , Yixuan Du , Ruqiong Zhang , Rui Zhang

The existing sonar image classification methods based on deep learning are often analyzed in Euclidean space, only considering the local image features. For this reason, this paper presents a sonar classification method based on improved…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Can Lei , Huigang Wang , Juan Lei