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相关论文: Structure Diagram Recognition in Financial Announc…

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We study the method for detecting relationship changes in financial markets and providing human-interpretable network visualization to support the decision-making of fund managers dealing with multi-assets. First, we construct co-occurrence…

综合金融 · 定量金融 2020-11-17 Makoto Naraoka , Teruaki Hayashi , Takaaki Yoshino , Toshiaki Sugie , Kota Takano , Yukio Ohsawa

Graphs are fundamental mathematical structures used in various fields to represent data, signals and processes. In this paper, we propose a novel framework for learning/estimating graphs from data. The proposed framework includes (i)…

机器学习 · 计算机科学 2017-07-07 Hilmi E. Egilmez , Eduardo Pavez , Antonio Ortega

Financial crises emerge when structural vulnerabilities accumulate across sectors, markets, and investor behavior. Predicting these systemic transitions is challenging because they arise from evolving interactions between market…

风险管理 · 定量金融 2025-12-22 Sandeep Neela

Graph embedding algorithms are used to efficiently represent (encode) a graph in a low-dimensional continuous vector space that preserves the most important properties of the graph. One aspect that is often overlooked is whether the graph…

机器学习 · 计算机科学 2020-01-31 Zekarias T. Kefato , Nasrullah Sheikh , Alberto Montresor

Company financial risks pose a significant threat to personal wealth and national economic stability, stimulating increasing attention towards the development of efficient andtimely methods for monitoring them. Current approaches tend to…

计算工程、金融与科学 · 计算机科学 2025-03-11 Huaming Du , Lei Yuan , Qing Yang , Xingyan Chen , Yu Zhao , Han Ji , Fuzhen Zhuang , Carl Yang , Gang Kou

In the field of financial fraud detection, understanding the underlying patterns and dynamics is important to ensure effective and reliable systems. This research introduces a new technique, "TimeTrail," which employs advanced temporal…

机器学习 · 计算机科学 2023-08-29 Sushrut Ghimire

In the current context of accelerated globalization and digitalization, the complexity and uncertainty of financial markets are increasing, and the identification and prevention of economic risks have become a key link in maintaining the…

统计金融 · 定量金融 2024-11-20 Xin Zhang , Zhen Xu , Yue Liu , Mengfang Sun , Tong Zhou , Wenying Sun

In this research the technology of complex Markov chains is applied to predict financial time series. The main distinction of complex or high-order Markov Chains and simple first-order ones is the existing of aftereffect or memory. The…

统计金融 · 定量金融 2011-11-23 Vladimir Soloviev , Vladimir Saptsin , Dmitry Chabanenko

Spreadsheets are the go-to tool for computerized calculation and modelling, but are hard to comprehend and adapt after reaching a certain complexity. In general, cognition of complex systems is facilitated by having a higher order mental…

软件工程 · 计算机科学 2018-09-11 Patrick Koch

Graph-structured data arise naturally in many different application domains. By representing data as graphs, we can capture entities (i.e., nodes) as well as their relationships (i.e., edges) with each other. Many useful insights can be…

人工智能 · 计算机科学 2018-07-24 John Boaz Lee , Ryan A. Rossi , Sungchul Kim , Nesreen K. Ahmed , Eunyee Koh

A structural graph summary is a small graph representation that preserves structural information necessary for a given task. The summary is used instead of the original graph to complete the task faster. We introduce multi-view structural…

数据结构与算法 · 计算机科学 2024-12-23 Jonatan Frank , Andor Diera , David Richerby , Ansgar Scherp

Recognition of goals and plans using incomplete evidence from action execution can be done efficiently by using planning techniques. In many applications it is important to recognize goals and plans not only accurately, but also quickly. In…

人工智能 · 计算机科学 2017-02-08 Ramon Fraga Pereira , Felipe Meneguzzi

We propose a new method for shape recognition and retrieval based on dynamic programming. Our approach uses the dynamic programming algorithm to compute the optimal score and to find the optimal alignment between two strings. First, each…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Noreddine Gherabi , Bahaj Mohamed

Tables are information-rich structured objects in document images. While significant work has been done in localizing tables as graphic objects in document images, only limited attempts exist on table structure recognition. Most existing…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Sachin Raja , Ajoy Mondal , C. V. Jawahar

Scientific papers use schematic diagrams to communicate methods, workflows, and system structure, yet existing scientific-figure corpora often mix them with plots, screenshots, and photographs and rarely preserve document context. We…

信息检索 · 计算机科学 2026-05-28 Ling Yue , Tingwen Zhang , Jiaying Wang , Zhen Xu , Shaowu Pan

The stock market is inherently complex, with interdependent relationships among companies, sectors, and financial indicators. Traditional research has largely focused on time-series forecasting and single-company analysis, relying on…

数据库 · 计算机科学 2026-01-21 Cheonsol Lee , Youngsang Jeong , Jeongyeol Shin , Huiju Kim , Jidong Kim

In this paper, we introduce a new approach for drawing diagrams that have applications in software visualization. Our approach is to use a technique we call confluent drawing for visualizing non-planar diagrams in a planar way. This…

计算几何 · 计算机科学 2007-05-23 Matthew Dickerson , David Eppstein , Michael T. Goodrich , Jeremy Meng

This paper addresses the problem of anomaly detection in accounting subject association structures, proposing a structured modeling and unsupervised discriminant framework based on graph neural networks. This framework is used to mine…

机器学习 · 计算机科学 2026-04-30 Yuhan Wang , Ruobing Yan , Zhe Su , Hejing Chen , Ningjing Sang , Yunfei Nie

Accurate structural analysis is essential to gain physical knowledge and understanding of atomic-scale processes in materials from atomistic simulations. However, traditional analysis methods often reach their limits when applied to…

The increasing prevalence of graph-structured data across various domains has intensified greater interest in graph classification tasks. While numerous sophisticated graph learning methods have emerged, their complexity often hinders…

机器学习 · 计算机科学 2025-09-03 Saiful Islam , Md. Nahid Hasan , Pitambar Khanra