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Recently, graph neural networks (GNNs) have proved to be suitable in tasks on unstructured data. Particularly in tasks as community detection, node classification, and link prediction. However, most GNN models still operate with static…

机器学习 · 计算机科学 2019-06-07 Darwin Saire Pilco , Adín Ramírez Rivera

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

Graph representation learning methods have been widely adopted in financial applications to enhance company representations by leveraging inter-firm relationships. However, current approaches face three key challenges: (1) The advantages of…

统计金融 · 定量金融 2025-07-04 Yingjie Niu , Mingchuan Zhao , Valerio Poti , Ruihai Dong

Stock market forecasting is a classic problem that has been thoroughly investigated using machine learning and artificial neural network based tools and techniques. Interesting aspects of this problem include its time reliance as well as…

统计金融 · 定量金融 2023-02-20 Raihan Tanvir , Md Tanvir Rouf Shawon , Md. Golam Rabiul Alam

The construction of spatiotemporal networks using graph convolution networks (GCNs) has become one of the most popular methods for predicting traffic signals. However, when using a GCN for traffic speed prediction, the conventional approach…

机器学习 · 计算机科学 2022-09-07 JunKyu Jang , Sung-Hyuk Park

Graph Neural Networks (GNNs) have been widely applied to various fields for learning over graph-structured data. They have shown significant improvements over traditional heuristic methods in various tasks such as node classification and…

机器学习 · 计算机科学 2022-06-10 Seongjun Yun , Seoyoon Kim , Junhyun Lee , Jaewoo Kang , Hyunwoo J. Kim

Link prediction is a fundamental task in graph learning, inherently shaped by the topology of the graph. While traditional heuristics are grounded in graph topology, they encounter challenges in generalizing across diverse graphs. Recent…

机器学习 · 计算机科学 2024-06-18 Juzheng Zhang , Lanning Wei , Zhen Xu , Quanming Yao

Deep multi-task learning attracts much attention in recent years as it achieves good performance in many applications. Feature learning is important to deep multi-task learning for sharing common information among tasks. In this paper, we…

机器学习 · 计算机科学 2020-02-13 Pengxin Guo , Chang Deng , Linjie Xu , Xiaonan Huang , Yu Zhang

Predicting future direction of stock markets using the historical data has been a fundamental component in financial forecasting. This historical data contains the information of a stock in each specific time span, such as the opening,…

统计金融 · 定量金融 2023-01-25 Christopher Wimmer , Navid Rekabsaz

The task of inferring the missing links in a graph based on its current structure is referred to as link prediction. Link prediction methods that are based on pairwise node similarity are well-established approaches in the literature. They…

社会与信息网络 · 计算机科学 2020-08-21 Md Kamrul Islam , Sabeur Aridhi , Malika Smail-Tabbone

Customer satisfaction is an important factor in creating and maintaining long-term relationships with customers. Near real-time identification of potentially dissatisfied customers following phone calls can provide organizations the…

机器学习 · 计算机科学 2021-02-09 Teja Kanchinadam , Zihang Meng , Joseph Bockhorst , Vikas Singh , Glenn Fung

Financial markets are difficult to predict due to its complex systems dynamics. Although there have been some recent studies that use machine learning techniques for financial markets prediction, they do not offer satisfactory performance…

统计金融 · 定量金融 2022-01-31 Jia Wang , Tong Sun , Benyuan Liu , Yu Cao , Degang Wang

Graph matching pairs corresponding nodes across two or more graphs. The problem is difficult as it is hard to capture the structural similarity across graphs, especially on large graphs. We propose to incorporate high-order information for…

人工智能 · 计算机科学 2020-10-12 Hui Xu , Liyao Xiang , Youmin Le , Xiaoying Gan , Yuting Jia , Luoyi Fu , Xinbing Wang

Graph representation learning (GRL) has emerged as an effective technique for modeling graph-structured data. When modeling heterogeneity and dynamics in real-world complex networks, GRL methods designed for complex heterogeneous temporal…

社会与信息网络 · 计算机科学 2026-05-19 Huan Liu , Pengfei Jiao , Mengzhou Gao , Chaochao Chen , Di Jin

Graph representation learning based on graph neural networks (GNNs) can greatly improve the performance of downstream tasks, such as node and graph classification. However, the general GNN models do not aggregate node information in a…

机器学习 · 计算机科学 2020-07-30 Fei Ding , Xiaohong Zhang , Justin Sybrandt , Ilya Safro

Automated equipment health monitoring from streaming multisensor time-series data can be used to enable condition-based maintenance, avoid sudden catastrophic failures, and ensure high operational availability. We note that most complex…

机器学习 · 计算机科学 2020-07-01 Jyoti Narwariya , Pankaj Malhotra , Vishnu TV , Lovekesh Vig , Gautam Shroff

We propose a novel graph-driven generative model, that unifies multiple heterogeneous learning tasks into the same framework. The proposed model is based on the fact that heterogeneous learning tasks, which correspond to different…

机器学习 · 计算机科学 2019-11-21 Wenlin Wang , Hongteng Xu , Zhe Gan , Bai Li , Guoyin Wang , Liqun Chen , Qian Yang , Wenqi Wang , Lawrence Carin

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

Time series prediction has been studied in a variety of domains. However, it is still challenging to predict future series given historical observations and past exogenous data. Existing methods either fail to consider the interactions…

机器学习 · 计算机科学 2018-06-05 Yunzhe Tao , Lin Ma , Weizhong Zhang , Jian Liu , Wei Liu , Qiang Du

Experience has shown that trading in stock and cryptocurrency markets has the potential to be highly profitable. In this light, considerable effort has been recently devoted to investigate how to apply machine learning and deep learning to…

机器学习 · 计算机科学 2022-05-18 Mohammadmahdi Ghahramani , Hamid Esmaeili Najafabadi