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Genetic programming (GP) is the state-of-the-art in financial automated feature construction task. It employs reverse polish expression to represent features and then conducts the evolution process. However, with the development of deep…

统计金融 · 定量金融 2021-03-12 Jie Fang , Shutao Xia , Jianwu Lin , Zhikang Xia , Xiang Liu , Yong Jiang

Graph Neural Networks (GNNs) have already been widely applied in various graph mining tasks. However, they suffer from the shallow architecture issue, which is the key impediment that hinders the model performance improvement. Although…

机器学习 · 计算机科学 2021-08-03 Wentao Zhang , Zeang Sheng , Yuezihan Jiang , Yikuan Xia , Jun Gao , Zhi Yang , Bin Cui

In this paper, we present "Graph Feature Preprocessor", a software library for detecting typical money laundering patterns in financial transaction graphs in real time. These patterns are used to produce a rich set of transaction features…

Control Flow Graphs and Function Call Graphs have become pivotal in providing a detailed understanding of program execution and effectively characterizing the behavior of malware. These graph-based representations, when combined with Graph…

密码学与安全 · 计算机科学 2024-12-06 Hesamodin Mohammadian , Griffin Higgins , Samuel Ansong , Roozbeh Razavi-Far , Ali A. Ghorbani

This paper aims to develop a new deep learning-inspired gaming approach for early detection of dementia. This research integrates a robust convolutional neural network (CNN)-based model for early dementia detection using health metrics data…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Paramita Kundu Maji , Soubhik Acharya , Priti Paul , Sanjay Chakraborty , Saikat Basu

Combinatorial optimization algorithms for graph problems are usually designed afresh for each new problem with careful attention by an expert to the problem structure. In this work, we develop a new framework to solve any combinatorial…

Graph neural networks (GNNs) have attracted much attention due to their ability to leverage the intrinsic geometries of the underlying data. Although many different types of GNN models have been developed, with many benchmarking procedures…

Building on our prior explorations of convolutional neural networks (CNNs) for financial data processing, this paper introduces two significant enhancements to refine our CNN model's predictive performance and robustness for financial…

计算金融 · 定量金融 2024-08-23 Sina Montazeri , Haseebullah Jumakhan , Sonia Abrasiabian , Amir Mirzaeinia

A theoretical performance analysis of the graph neural network (GNN) is presented. For classification tasks, the neural network approach has the advantage in terms of flexibility that it can be employed in a data-driven manner, whereas…

机器学习 · 计算机科学 2020-01-29 Tatsuro Kawamoto , Masashi Tsubaki , Tomoyuki Obuchi

This paper demonstrates how to apply machine learning algorithms to distinguish good stocks from the bad stocks. To this end, we construct 244 technical and fundamental features to characterize each stock, and label stocks according to…

投资组合管理 · 定量金融 2018-08-09 XingYu Fu , JinHong Du , YiFeng Guo , MingWen Liu , Tao Dong , XiuWen Duan

Structural features are important features in a geometrical graph. Although there are some correlation analysis of features based on covariance, there is no relevant research on structural feature correlation analysis with graph neural…

机器学习 · 计算机科学 2022-05-03 Jiaqing Xie , Rex Ying

Malware detection has become a major concern due to the increasing number and complexity of malware. Traditional detection methods based on signatures and heuristics are used for malware detection, but unfortunately, they suffer from poor…

密码学与安全 · 计算机科学 2023-08-21 Tristan Bilot , Nour El Madhoun , Khaldoun Al Agha , Anis Zouaoui

Medical imaging deep learning models are often large and complex, requiring specialized hardware to train and evaluate these models. To address such issues, we propose the PocketNet paradigm to reduce the size of deep learning models by…

图像与视频处理 · 电气工程与系统科学 2023-11-21 Adrian Celaya , Jonas A. Actor , Rajarajeswari Muthusivarajan , Evan Gates , Caroline Chung , Dawid Schellingerhout , Beatrice Riviere , David Fuentes

This paper introduces an information-theoretic method for selecting a subset of problems which gives the most information about a group of problem-solving algorithms. This method was tested on the games in the General Video Game AI (GVGAI)…

Graph neural networks (GNNs) have achieved great success in many scenarios with graph-structured data. However, in many real applications, there are three issues when applying GNNs: graphs are unknown, nodes have noisy features, and graphs…

机器学习 · 计算机科学 2022-10-11 Yixiang Shan , Jielong Yang , Xing Liu , Yixing Gao , Hechang Chen , Shuzhi Sam Ge

Due to the significant computational challenge of training large-scale graph neural networks (GNNs), various sparse learning techniques have been exploited to reduce memory and storage costs. Examples include \textit{graph sparsification}…

机器学习 · 计算机科学 2023-02-07 Shuai Zhang , Meng Wang , Pin-Yu Chen , Sijia Liu , Songtao Lu , Miao Liu

The minimum cost multicut problem is the NP-hard/APX-hard combinatorial optimization problem of partitioning a real-valued edge-weighted graph such as to minimize the total cost of the partition. While graph convolutional neural networks…

机器学习 · 计算机科学 2022-04-05 Steffen Jung , Margret Keuper

Graph Convolutional Network (GCN) has experienced great success in graph analysis tasks. It works by smoothing the node features across the graph. The current GCN models overwhelmingly assume that the node feature information is complete.…

机器学习 · 计算机科学 2020-12-08 Hibiki Taguchi , Xin Liu , Tsuyoshi Murata

Graph Neural Networks (GNNs) are powerful and flexible neural networks that use the naturally sparse connectivity information of the data. GNNs represent this connectivity as sparse matrices, which have lower arithmetic intensity and thus…

机器学习 · 计算机科学 2020-09-04 Alok Tripathy , Katherine Yelick , Aydin Buluc

We propose precision gating (PG), an end-to-end trainable dynamic dual-precision quantization technique for deep neural networks. PG computes most features in a low precision and only a small proportion of important features in a higher…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Yichi Zhang , Ritchie Zhao , Weizhe Hua , Nayun Xu , G. Edward Suh , Zhiru Zhang