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In this paper we provide a comprehensive introduction to knowledge graphs, which have recently garnered significant attention from both industry and academia in scenarios that require exploiting diverse, dynamic, large-scale collections of…

Comparative graph and network analysis play an important role in both systems biology and pattern recognition, but existing surveys on the topic have historically ignored or underserved one or the other of these fields. We present an…

Social and Information Networks · Computer Science 2019-05-17 Emily Evans , Marissa Graham

Financial institutions obtain enormous amounts of data about user transactions and money transfers, which can be considered as a large graph dynamically changing in time. In this work, we focus on the task of predicting new interactions in…

Machine Learning · Statistics 2020-01-24 Valentina Shumovskaia , Kirill Fedyanin , Ivan Sukharev , Dmitry Berestnev , Maxim Panov

We investigate the effectiveness of a momentum trading signal based on the coverage network of financial analysts. This signal builds on the key information-brokerage role financial sell-side analysts play in modern stock markets. The…

Computational Finance · Quantitative Finance 2024-10-29 Dragos Gorduza , Yaxuan Kong , Xiaowen Dong , Stefan Zohren

Deep learning has shown remarkable results on Euclidean data (e.g. audio, images, text) however this type of data is limited in the amount of relational information it can hold. In mathematics we can model more general relational data in a…

Statistical Finance · Quantitative Finance 2021-12-20 Edward Turner

Tax evasion causes severe losses of government revenues and disturbs the economic order of fair competition. To help alleviate this problem, the latest tax evasion detection solutions utilize expert knowledge to extract features and then…

Machine Learning · Computer Science 2026-05-27 Yiming Xu , Bin Shi , Bo Dong , Jiaxiang Wang , Hua Wei , Qinghua Zheng

Negative screening is one method to avoid interactions with inappropriate entities. For example, financial institutions keep investment exclusion lists of inappropriate firms that have environmental, social, and government (ESG) problems.…

Social and Information Networks · Computer Science 2020-03-27 Ryohei Hisano , Didier Sornette , Takayuki Mizuno

Networks of companies can be constructed by using return correlations. A crucial issue in this approach is to select the relevant correlations from the correlation matrix. In order to study this problem, we start from an empty graph with no…

Statistical Mechanics · Physics 2009-11-10 J. -P. Onnela , K. Kaski , J. Kertesz

Accurately extracting structured data from structure diagrams in financial announcements is of great practical importance for building financial knowledge graphs and further improving the efficiency of various financial applications. First,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Meixuan Qiao , Jun Wang , Junfu Xiang , Qiyu Hou , Ruixuan Li

Understanding customer behavior is fundamental for many use-cases in industry, especially in accelerated growth areas such as fin-tech and e-commerce. Structured data are often expensive, time-consuming and inadequate to analyze and study…

Machine Learning · Computer Science 2020-10-07 Amir Jalilifard , Dehua Chen , Lucas Pereira Lopes , Isaac Ben-Akiva , Pedro Henrique Gonçalves Inazawa

Knowledge graphs in manufacturing and production aim to make production lines more efficient and flexible with higher quality output. This makes knowledge graphs attractive for companies to reach Industry 4.0 goals. However, existing…

Artificial Intelligence · Computer Science 2024-08-13 Georg Buchgeher , David Gabauer , Jorge Martinez-Gil , Lisa Ehrlinger

Sourcing and identification of new manufacturing partners is crucial for manufacturing system integrators to enhance agility and reduce risk through supply chain diversification in the global economy. The advent of advanced large language…

Artificial Intelligence · Computer Science 2024-04-11 Yunqing Li , Binil Starly

Knowledge graphs (KGs) of real-world facts about entities and their relationships are useful resources for a variety of natural language processing tasks. However, because knowledge graphs are typically incomplete, it is useful to perform…

Computation and Language · Computer Science 2020-10-28 Dat Quoc Nguyen

Financial technology (FinTech) has drawn much attention among investors and companies. While conventional stock analysis in FinTech targets at predicting stock prices, less effort is made for profitable stock recommendation. Besides, in…

Machine Learning · Computer Science 2021-06-21 Yi-Ling Hsu , Yu-Che Tsai , Cheng-Te Li

The thin-file borrowers are customers for whom a creditworthiness assessment is uncertain due to their lack of credit history; many researchers have used borrowers' relationships and interactions networks in the form of graphs as an…

Social and Information Networks · Computer Science 2022-09-20 Ricardo Muñoz-Cancino , Cristián Bravo , Sebastián A. Ríos , Manuel Graña

Individual investors are significantly outnumbered and disadvantaged in financial markets, overwhelmed by abundant information and lacking professional analysis. Equity research reports stand out as crucial resources, offering valuable…

Machine Learning · Computer Science 2025-08-05 Xiang Li , Penglei Sun , Wanyun Zhou , Zikai Wei , Yongqi Zhang , Xiaowen Chu

Query answering routinely employs knowledge graphs to assist the user in the search process. Given a knowledge graph that represents entities and relationships among them, one aims at complementing the search with intuitive but effective…

Databases · Computer Science 2018-02-13 Davide Mottin , Bastian Grasnick , Axel Kroschk , Patrick Siegler , Emmanuel Mueller

This paper takes the graph neural network as the technical framework, integrates the intrinsic connections between enterprise financial indicators, and proposes a model for enterprise credit risk assessment. The main research work includes:…

Risk Management · Quantitative Finance 2024-09-27 Bingyao Liu , Iris Li , Jianhua Yao , Yuan Chen , Guanming Huang , Jiajing Wang

Predicting stock prices presents a challenging research problem due to the inherent volatility and non-linear nature of the stock market. In recent years, knowledge-enhanced stock price prediction methods have shown groundbreaking results…

Statistical Finance · Quantitative Finance 2023-08-10 Liping Wang , Jiawei Li , Lifan Zhao , Zhizhuo Kou , Xiaohan Wang , Xinyi Zhu , Hao Wang , Yanyan Shen , Lei Chen

Event extraction is a classic task in natural language processing with wide use in handling large amount of yet rapidly growing financial, legal, medical, and government documents which often contain multiple events with their elements…

Computation and Language · Computer Science 2021-09-07 Kaihao Guo , Tianpei Jiang , Haipeng Zhang