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相关论文: Fake Reviews Detection through Ensemble Learning

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Artificial neural networks have been successfully applied to a variety of machine learning tasks, including image recognition, semantic segmentation, and machine translation. However, few studies fully investigated ensembles of artificial…

机器学习 · 统计学 2017-04-07 Cheng Ju , Aurélien Bibaut , Mark J. van der Laan

Fake news detection research is still in the early stage as this is a relatively new phenomenon in the interest raised by society. Machine learning helps to solve complex problems and to build AI systems nowadays and especially in those…

计算与语言 · 计算机科学 2022-01-20 Sajjad Ahmed , Knut Hinkelmann , Flavio Corradini

The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

The promising performance of Deep Neural Networks (DNNs) in text classification, has attracted researchers to use them for fraud review detection. However, the lack of trusted labeled data has limited the performance of the current…

机器学习 · 计算机科学 2021-03-18 Saeedreza Shehnepoor , Roberto Togneri , Wei Liu , Mohammed Bennamoun

Stance detection in fake news is an important component in news veracity assessment because this process helps fact-checking by understanding stance to a central claim from different information sources. The Fake News Challenge Stage 1…

计算与语言 · 计算机科学 2019-09-27 Wenjun Liao , Chenghua Lin

Threat actors continue to exploit geopolitical and global public events launch aggressive campaigns propagating disinformation over the Internet. In this paper we extend our prior research in detecting disinformation using psycholinguistic…

密码学与安全 · 计算机科学 2024-05-30 Alex V Mbaziira , Maha F Sabir

Combining multiple machine learning models into an ensemble is known to provide superior performance levels compared to the individual components forming the ensemble. This is because models can complement each other in taking better…

声音 · 计算机科学 2021-06-09 Nicolae-Catalin Ristea , Radu Tudor Ionescu

Online reviews play a crucial role in deciding the quality before purchasing any product. Unfortunately, spammers often take advantage of online review forums by writing fraud reviews to promote/demote certain products. It may turn out to…

社会与信息网络 · 计算机科学 2019-07-30 Sarthika Dhawan , Siva Charan Reddy Gangireddy , Shiv Kumar , Tanmoy Chakraborty

Nowadays, there are a lot of people using social media opinions to make their decision on buying products or services. Opinion spam detection is a hard problem because fake reviews can be made by organizations as well as individuals for…

信息检索 · 计算机科学 2018-07-31 L. H. Nguyen , N. T. H. Pham , V. M. Ngo

Accurate prediction of students knowledge is a fundamental building block of personalized learning systems. Here, we propose a novel ensemble model to predict student knowledge gaps. Applying our approach to student trace data from the…

计算与语言 · 计算机科学 2018-07-18 Anton Osika , Susanna Nilsson , Andrii Sydorchuk , Faruk Sahin , Anders Huss

Machine Learning approaches are good in solving problems that have less information. In most cases, the software domain problems characterize as a process of learning that depend on the various circumstances and changes accordingly. A…

软件工程 · 计算机科学 2015-06-26 Saiqa Aleem , Luiz Fernando Capretz , Faheem Ahmed

Can machine learning models for recommendation be easily fooled? While the question has been answered for hand-engineered fake user profiles, it has not been explored for machine learned adversarial attacks. This paper attempts to close…

信息检索 · 计算机科学 2018-09-25 Konstantina Christakopoulou , Arindam Banerjee

Ensemble methods for supervised machine learning have become popular due to their ability to accurately predict class labels with groups of simple, lightweight "base learners." While ensembles offer computationally efficient models that…

机器学习 · 统计学 2011-09-01 Orianna DeMasi , Juan Meza , David H. Bailey

Online reviews are an important source of feedback for understanding customers. In this study, we follow novel approaches that target this absence of actionable insights by classifying reviews as defect reports and requests for improvement.…

计算与语言 · 计算机科学 2020-04-21 Gino V. H. Mangnoesing , Maria Mihaela Trusca , Flavius Frasincar

Modern multi-centre randomized controlled trials (MCRCTs) collect massive amounts of tabular data, and are monitored intensively for irregularities by humans. We began by empirically evaluating 6 modern machine learning-based outlier…

机器学习 · 计算机科学 2023-11-10 Walter Nelson , Jonathan Ranisau , Jeremy Petch

Student performance prediction is a critical research problem to understand the students' needs, present proper learning opportunities/resources, and develop the teaching quality. However, traditional machine learning methods fail to…

机器学习 · 计算机科学 2021-12-23 Yinkai Wang , Aowei Ding , Kaiyi Guan , Shixi Wu , Yuanqi Du

Federated learning allows us to run machine learning algorithms on decentralized data when data sharing is not permitted due to privacy concerns. Ensemble-based learning works by training multiple (weak) classifiers whose output is…

机器学习 · 计算机科学 2024-02-20 Florian van Daalen , Lianne Ippel , Andre Dekker , Inigo Bermejo

To address the issues of stability and fidelity in interpretable learning, a novel interpretable methodology, ensemble interpretation, is presented in this paper which integrates multi-perspective explanation of various interpretation…

机器学习 · 计算机科学 2023-12-12 Chao Min , Guoyong Liao , Guoquan Wen , Yingjun Li , Xing Guo

This work presents a fraud and abuse detection framework for streaming services by modeling user streaming behavior. The goal is to discover anomalous and suspicious incidents and scale the investigation efforts by creating models that…

机器学习 · 计算机科学 2022-03-07 Soheil Esmaeilzadeh , Negin Salajegheh , Amir Ziai , Jeff Boote

In this paper, we address customer review understanding problems by using supervised machine learning approaches, in order to achieve a fully automatic review aspects categorisation and sentiment analysis. In general, such supervised…

计算与语言 · 计算机科学 2019-11-05 Yanwei Cui , Xavier Illy