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相关论文: A Study on Feature Selection Techniques in Educati…

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This study introduces a specialized pipeline designed to classify the concentration state of an individual student during online learning sessions by training a custom-tailored machine learning model. Detailed protocols for acquiring and…

机器学习 · 计算机科学 2025-02-24 Zewen Zhuo , Mohamad Najafi , Hazem Zein , Amine Nait-Ali

Feature construction can contribute to comprehensibility and performance of machine learning models. Unfortunately, it usually requires exhaustive search in the attribute space or time-consuming human involvement to generate meaningful…

机器学习 · 计算机科学 2023-01-24 Boštjan Vouk , Matej Guid , Marko Robnik-Šikonja

Deep Recommender Systems (DRS) are increasingly dependent on a large number of feature fields for more precise recommendations. Effective feature selection methods are consequently becoming critical for further enhancing the accuracy and…

信息检索 · 计算机科学 2024-06-21 Pengyue Jia , Yejing Wang , Zhaocheng Du , Xiangyu Zhao , Yichao Wang , Bo Chen , Wanyu Wang , Huifeng Guo , Ruiming Tang

Objective: With the rapid rise of wearable sleep monitoring devices with non-conventional electrode configurations, there is a need for automated algorithms that can perform sleep staging on configurations with small amounts of labeled…

信号处理 · 电气工程与系统科学 2022-01-04 Elisabeth R. M. Heremans , Huy Phan , Amir H. Ansari , Pascal Borzée , Bertien Buyse , Dries Testelmans , Maarten De Vos

Score-based generative models have recently achieved remarkable success. While they are usually parameterized by the score, an alternative way is to use a series of time-dependent energy-based models (EBMs), where the score is obtained from…

机器学习 · 统计学 2026-05-22 RuiKang OuYang , Louis Grenioux , José Miguel Hernández-Lobato

Stakeholders make various types of decisions with respect to requirements, design, management, and so on during the software development life cycle. Nevertheless, these decisions are typically not well documented and classified due to…

软件工程 · 计算机科学 2021-05-05 Liming Fu , Peng Liang , Xueying Li , Chen Yang

Data Mining is best-known for its analytical and prediction capabilities. It is used in several areas such as fraud detection, predicting client behavior, money market behavior, bankruptcy prediction. It can also help in establishing an…

计算机与社会 · 计算机科学 2017-08-11 Pooja Thakar , Anil Mehta , Manisha

Most accurate predictions are typically obtained by learning machines with complex feature spaces (as e.g. induced by kernels). Unfortunately, such decision rules are hardly accessible to humans and cannot easily be used to gain insights…

机器学习 · 统计学 2010-08-13 Alexander Zien , Nicole Kraemer , Soeren Sonnenburg , Gunnar Raetsch

Software testing is one of the important ways to ensure the quality of software. It is found that testing cost more than 50% of overall project cost. Effective and efficient software testing utilizes the minimum resources of software.…

机器学习 · 计算机科学 2020-09-01 Ali Nawaz , Attique Ur Rehman , Muhammad Abbas

This research presents preliminary work to address the challenge of identifying at-risk students using supervised machine learning and three unique data categories: engagement, demographics, and performance data collected from Fall 2023…

机器学习 · 计算机科学 2025-07-16 Azucena L. Jimenez Martinez , Kanika Sood , Rakeshkumar Mahto

Digital textbook (e-book) systems record student interactions with textbooks as a sequence of events called EventStream data. In the past, researchers extracted meaningful features from EventStream, and utilized them as inputs for…

计算机与社会 · 计算机科学 2024-07-19 Yuma Miyazaki , Valdemar Švábenský , Yuta Taniguchi , Fumiya Okubo , Tsubasa Minematsu , Atsushi Shimada

As machine learning is increasingly used to make real-world decisions, recent research efforts aim to define and ensure fairness in algorithmic decision making. Existing methods often assume a fixed set of observable features to define…

机器学习 · 计算机科学 2020-05-11 YooJung Choi , Golnoosh Farnadi , Behrouz Babaki , Guy Van den Broeck

In this age of Big Data, machine learning based data mining methods are extensively used to inspect large scale data sets. Deriving applicable predictive modeling from these type of data sets is a challenging obstacle because of their high…

机器学习 · 计算机科学 2015-04-14 Ferhat Özgür Çatak

Feature selection is generally used as one of the most important preprocessing techniques in machine learning, as it helps to reduce the dimensionality of data and assists researchers and practitioners in understanding data. Thereby, by…

机器学习 · 计算机科学 2021-04-26 Yiwen Liao , Raphaël Latty , Bin Yang

Personalized education, tailored to individual student needs, leverages educational technology and artificial intelligence (AI) in the digital age to enhance learning effectiveness. The integration of AI in educational platforms provides…

计算机与社会 · 计算机科学 2024-03-03 Zhang Xiong , Haoxuan Li , Zhuang Liu , Zhuofan Chen , Hao Zhou , Wenge Rong , Yuanxin Ouyang

Feature selection places an important role in improving the performance of outlier detection, especially for noisy data. Existing methods usually perform feature selection and outlier scoring separately, which would select feature subsets…

机器学习 · 计算机科学 2020-01-17 Li Cheng , Yijie Wang , Xinwang Liu , Bin Li

Student performance modelling (SPM) is a critical step to assessing and improving students performances in their learning discourse. However, most existing SPM are based on statistical approaches, which on one hand are based on probability,…

Predicting user positive response (e.g., purchases and clicks) probability is a critical task in Web applications. To identify predictive features from raw data, the state-of-the-art extreme deep factorization machine model (xDeepFM)…

机器学习 · 计算机科学 2021-12-13 Ling Chen , Hongyu Shi

In recommendation systems, users frequently engage in multiple types of behaviors, such as clicking, adding to a cart, and purchasing. However, with diversified behavior data, user behavior sequences will become very long in the short term,…

信息检索 · 计算机科学 2024-03-27 Yongqiang Han , Hao Wang , Kefan Wang , Likang Wu , Zhi Li , Wei Guo , Yong Liu , Defu Lian , Enhong Chen

Learning Management Systems (LMS) and Educational Data Mining (EDM) are two important parts of online educational environment with the former being a centralised web-based information systems where the learning content is managed and…

人机交互 · 计算机科学 2020-01-28 Manikandan Ravikiran