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Large-scale Hierarchical Classification (HC) involves datasets consisting of thousands of classes and millions of training instances with high-dimensional features posing several big data challenges. Feature selection that aims to select…

机器学习 · 计算机科学 2017-06-07 Azad Naik , Huzefa Rangwala

Owing to the development and advancement of artificial intelligence, numerous works were established in the human facial expression recognition system. Meanwhile, the detection and classification of micro-expressions are attracting…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Sze-Teng Liong , Y. S. Gan , Danna Zheng , Shu-Meng Lic , Hao-Xuan Xua , Han-Zhe Zhang , Ran-Ke Lyu , Kun-Hong Liu

Users on the internet usually require venues to provide better purchasing recommendations. This can be provided by a reputation system that processes ratings to provide recommendations. The rating aggregation process is a main part of…

机器学习 · 计算机科学 2022-09-13 Ahmad Alqwadri , Mohammad Azzeh , Fadi Almasalha

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

Fraud detection is a challenging task due to the changing nature of fraud patterns over time and the limited availability of fraud examples to learn such sophisticated patterns. Thus, fraud detection with the aid of smart versions of…

机器学习 · 计算机科学 2022-09-07 Mary Isangediok , Kelum Gajamannage

The rapid advancement of Large Language Models (LLMs) has ushered in an era where AI-generated text is increasingly indistinguishable from human-generated content. Detecting AI-generated text has become imperative to combat misinformation,…

计算与语言 · 计算机科学 2024-06-12 Ye Zhang , Qian Leng , Mengran Zhu , Rui Ding , Yue Wu , Jintong Song , Yulu Gong

In machine learning, the process of feature selection involves finding a reduced subset of features that captures most of the information required to train an accurate and efficient model. This work presents FeatureCuts, a novel feature…

机器学习 · 计算机科学 2025-08-05 Andy Hu , Devika Prasad , Luiz Pizzato , Nicholas Foord , Arman Abrahamyan , Anna Leontjeva , Cooper Doyle , Dan Jermyn

User reviews reflect significant value of product in the world of e-market. Many firms or product providers hire spammers for misleading new customers by posting spam reviews. There are three types of fake reviews, untruthful reviews, brand…

信息检索 · 计算机科学 2020-03-03 Jay Kumar

In industrial imaging, accurately detecting and distinguishing surface defects from noise is critical and challenging, particularly in complex environments with noisy data. This paper presents a hybrid framework that integrates both…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Alejandro Garnung Menéndez

The integration of large language models (LLMs) into peer review raises a concern beyond authorship and detection: the potential cascading automation of the entire editorial process. As reviews become partially or fully machine-generated,…

人工智能 · 计算机科学 2026-04-10 Alin-Gabriel Văduva , Simona-Vasilica Oprea , Adela Bâra

With the rise of generative language models, machine-generated text detection has become a critical challenge. A wide variety of models is available, but inconsistent datasets, evaluation metrics, and assessment strategies obscure…

计算与语言 · 计算机科学 2026-04-23 Kevin Stowe , Kailash Patil

Customer reviews play a crucial role in assessing customer satisfaction, gathering feedback, and driving improvements for businesses. Analyzing these reviews provides valuable insights into customer sentiments, including compliments,…

计算与语言 · 计算机科学 2023-08-23 Anusuya Krishnan

In this study, machine learning models were tested to predict whether or not a customer of an insurance company would purchase a travel insurance product. For this purpose, secondary data provided by an open-source website that compiles…

应用统计 · 统计学 2025-06-09 Luciano Ribeiro Galvão , Rafael de Andrade Moral

Machine learning has opened up new tools for financial fraud detection. Using a sample of annotated transactions, a machine learning classification algorithm learns to detect frauds. With growing credit card transaction volumes and rising…

机器学习 · 计算机科学 2022-08-26 Gayan K. Kulatilleke

This study uses stacked generalization, which is a two-step process of combining machine learning methods, called meta or super learners, for improving the performance of algorithms in step one (by minimizing the error rate of each…

机器学习 · 计算机科学 2020-04-07 Kathleen Kerwin , Nathaniel D. Bastian

Machine learning models differ in terms of accuracy, computational/memory complexity, training time, and adaptability among other characteristics. For example, neural networks (NNs) are well-known for their high accuracy due to the quality…

机器学习 · 计算机科学 2020-08-05 Mahdi Nazemi , Amirhossein Esmaili , Arash Fayyazi , Massoud Pedram

In many online platforms, customers' decisions are substantially influenced by product rankings as most customers only examine a few top-ranked products. Concurrently, such platforms also use the same data corresponding to customers'…

机器学习 · 计算机科学 2020-09-14 Negin Golrezaei , Vahideh Manshadi , Jon Schneider , Shreyas Sekar

The prohibitive cost of evaluating large language models (LLMs) on comprehensive benchmarks necessitates the creation of small yet representative data subsets (i.e., tiny benchmarks) that enable efficient assessment while retaining…

人工智能 · 计算机科学 2026-05-19 Andrew M. Bean , Nabeel Seedat , Shengzhuang Chen , Jonathan Richard Schwarz

Online platform businesses can be identified by using web-scraped texts. This is a classification problem that combines elements of natural language processing and rare event detection. Because online platforms are rare, accurately…

机器学习 · 计算机科学 2024-07-10 Luuk Gubbels , Marco Puts , Piet Daas

Every year, thousands of people receive consumer product related injuries. Research indicates that online customer reviews can be processed to autonomously identify product safety issues. Early identification of safety issues can lead to…

机器学习 · 计算机科学 2018-07-24 Graham Bleaney , Matthew Kuzyk , Julian Man , Hossein Mayanloo , H. R. Tizhoosh