中文
相关论文

相关论文: BiRank vs PageRank: Using SNA on Company Register …

200 篇论文

Insurance fraud occurs when policyholders file claims that are exaggerated or based on intentional damages. This contribution develops a fraud detection strategy by extracting insightful information from the social network of a claim.…

社会与信息网络 · 计算机科学 2020-09-18 María Óskarsdóttir , Waqas Ahmed , Katrien Antonio , Bart Baesens , Rémi Dendievel , Tom Donas , Tom Reynkens

Online transaction fraud presents substantial challenges to businesses and consumers, risking significant financial losses. Conventional rule-based systems struggle to keep pace with evolving fraud tactics, leading to high false positive…

风险管理 · 定量金融 2024-02-20 Catayoun Azarm , Erman Acar , Mickey van Zeelt

[Background]Discovering key nodes plays a significant role in Social Network Analysis(SNA). Effective and accurate mining of key nodes promotes more successful applications in fields like advertisement and recommendation. [Methods] With…

社会与信息网络 · 计算机科学 2018-03-02 Jinshuo Liu , Chenghao Mou , Donghong Ji

In recent years, designing fairness-aware methods has received much attention in various domains, including machine learning, natural language processing, and information retrieval. However, understanding structural bias and inequalities in…

社会与信息网络 · 计算机科学 2024-03-21 Akrati Saxena , George Fletcher , Mykola Pechenizkiy

Friendship prediction is an important task in social network analysis (SNA). It can help users identify friends and improve their level of activity. Most previous approaches predict users' friendship based on their historical records, such…

社会与信息网络 · 计算机科学 2014-02-18 Erheng Zhong , Evan Wei Xiang , Wei Fan , Nathan Nan Liu , Qiang Yang

With rise in security breaches over the past few years, there has been an increasing need to mine insights from social media platforms to raise alerts of possible attacks in an attempt to defend conflict during competition. We use…

社会与信息网络 · 计算机科学 2018-11-16 Soumajyoti Sarkar , Mohammad Almukaynizi , Jana Shakarian , Paulo Shakarian

Social reviews have dominated the web and become a plausible source of product information. People and businesses use such information for decision-making. Businesses also make use of social information to spread fake information using a…

机器学习 · 计算机科学 2023-01-05 Saeedreza Shehnepoor , Roberto Togneri , Wei Liu , Mohammed Bennamoun

This research explores the opportunities for the application of network analytic techniques to prevent money laundering. We worked on real world data by analyzing the central database of a factoring company, mainly operating in Italy, over…

社会与信息网络 · 计算机科学 2021-05-13 A. Fronzetti Colladon , E. Remondi

Social networks play a significant role in today's world. The importance of social networks, for example Facebook or Twitter, are undeniable. However, they also have many issues. One of which is the need for a defense mechanism against fake…

社会与信息网络 · 计算机科学 2019-11-19 Ngoc C. Lê , Manh-Tuan Dao , Hoang-Linh Nguyen , Tuyet-Nhi Nguyen , Hue Vu

Ways in which people's opinions change are, without a doubt, subject to a rich tapestry of differing influences. Factors that affect how one arrives at an opinion reflect how they have been shaped by their environment throughout their…

社会与信息网络 · 计算机科学 2026-05-21 Stanisław Stępień , Michalina Janik , Mateusz Nurek , Akrati Saxena , Radosław Michalski

While numerous studies have been conducted in the literature exploring different types of machine learning approaches for search ranking, most of them are focused on specific pre-defined problems but only a few of them have studied the…

信息检索 · 计算机科学 2022-03-29 Zhen Liao

The social network analysis (SNA), branch of complex systems can be used in the construction of multiagent systems. This paper proposes a study of how social network analysis can assist in modeling multiagent systems, while addressing…

多智能体系统 · 计算机科学 2015-06-18 Andre Filipe de Moraes Batista , Maria das Graças Bruno Marietto

Banks are interested in evaluating the risk of the financial distress before giving out a loan. Many researchers proposed the use of models based on the Neural Networks in order to help the banker better make a decision. The objective of…

风险管理 · 定量金融 2013-11-19 Younes Boujelbène , Sihem Khemakhem

Since the emergence of joint-stock companies, financial fraud by listed firms has repeatedly undermined capital markets. Fraud is difficult to detect because of covert tactics and the high labor and time costs of audits. Traditional…

机器学习 · 计算机科学 2025-12-11 Xiao Li

Many online platforms have deployed anti-fraud systems to detect and prevent fraudulent activities. However, there is usually a gap between the time that a user commits a fraudulent action and the time that the user is suspended by the…

机器学习 · 计算机科学 2018-11-15 Panpan Zheng , Shuhan Yuan , Xintao Wu

Many studies that gather social network data use survey methods that lead to censored, missing or otherwise incomplete information. For example, the popular fixed rank nomination (FRN) scheme, often used in studies of schools and…

统计方法学 · 统计学 2012-12-27 Peter Hoff , Bailey Fosdick , Alex Volfovsky , Katherine Stovel

Financial frauds cause billions of losses annually and yet it lacks efficient approaches in detecting frauds considering user profile and their behaviors simultaneously in social network . A social network forms a graph structure whilst…

社会与信息网络 · 计算机科学 2023-03-28 Hanyi Hu , Long Zhang , Shuan Li , Zhi Liu , Yao Yang , Chongning Na

Financial performance management is at the core of business management and has historically relied on financial ratio analysis using Balance Sheet and Income Statement data to assess company performance as compared with competitors. Little…

统计金融 · 定量金融 2023-11-13 Ricardo Cuervo

Amid the rapid digitalization of judicial systems, the integration of big data into adjudication remains underexplored, particularly in uncovering the structural logic of legal applications. This study bridges this gap by employing social…

The article proposes an expert system for detection, and subsequent investigation, of groups of collaborating automobile insurance fraudsters. The system is described and examined in great detail, several technical difficulties in detecting…

人工智能 · 计算机科学 2011-04-21 Lovro Šubelj , Štefan Furlan , Marko Bajec
‹ 上一页 1 2 3 10 下一页 ›