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相关论文: Imputing Knowledge Tracing Data with Subject-Based…

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This work focuses on combining nonparametric topic models with Auto-Encoding Variational Bayes (AEVB). Specifically, we first propose iTM-VAE, where the topics are treated as trainable parameters and the document-specific topic proportions…

计算与语言 · 计算机科学 2018-06-19 Xuefei Ning , Yin Zheng , Zhuxi Jiang , Yu Wang , Huazhong Yang , Junzhou Huang

Multimodal sensory data resembles the form of information perceived by humans for learning, and are easy to obtain in large quantities. Compared to unimodal data, synchronization of concepts between modalities in such data provides…

机器学习 · 统计学 2018-05-30 Wei-Ning Hsu , James Glass

Generative models often incur the catastrophic forgetting problem when they are used to sequentially learning multiple tasks, i.e., lifelong generative learning. Although there are some endeavors to tackle this problem, they suffer from…

机器学习 · 计算机科学 2022-01-20 Libo Huang , Zhulin An , Xiang Zhi , Yongjun Xu

Knowledge tracing aims to track students' knowledge status over time to predict students' future performance accurately. Markov chain-based knowledge tracking (MCKT) models can track knowledge concept mastery probability over time. However,…

机器学习 · 计算机科学 2023-02-20 Hengyu Liu , Tiancheng Zhang , Fan Li , Minghe Yu , Ge Yu

Most of the data-driven approaches applied to bearing fault diagnosis up to date are established in the supervised learning paradigm, which usually requires a large set of labeled data collected a priori. In practical applications, however,…

机器学习 · 计算机科学 2019-12-10 Shen Zhang , Fei Ye , Bingnan Wang , Thomas G. Habetler

Data-driven method for Structural Health Monitoring (SHM), that mine the hidden structural performance from the correlations among monitored time series data, has received widely concerns recently. However, missing data significantly…

机器学习 · 计算机科学 2023-04-04 Fan Deng , Xiaoming Tao , Pengxiang Wei , Shiyin Wei

Most existing distance metric learning approaches use fully labeled data to learn the sample similarities in an embedding space. We present a self-training framework, SLADE, to improve retrieval performance by leveraging additional…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Jiali Duan , Yen-Liang Lin , Son Tran , Larry S. Davis , C. -C. Jay Kuo

In the realm of Intelligent Tutoring System (ITS), the accurate assessment of students' knowledge states through Knowledge Tracing (KT) is crucial for personalized learning. However, due to data bias, $\textit{i.e.}$, the unbalanced…

机器学习 · 计算机科学 2025-03-05 Yiyun Zhou , Zheqi Lv , Shengyu Zhang , Jingyuan Chen

The variational autoencoder (VAE) is a popular probabilistic generative model. However, one shortcoming of VAEs is that the latent variables cannot be discrete, which makes it difficult to generate data from different modes of a…

机器学习 · 统计学 2017-11-21 Jay A. Hennig , Akash Umakantha , Ryan C. Williamson

Knowledge tracing (KT) in programming education presents unique challenges due to the complexity of coding tasks and the diverse methods students use to solve problems. Although students' questions often contain valuable signals about their…

计算机与社会 · 计算机科学 2025-02-18 Doyoun Kim , Suin Kim , Yojan Jo

In real-world NLP applications, Large Language Models (LLMs) offer promising solutions due to their extensive training on vast datasets. However, the large size and high computation demands of LLMs limit their practicality in many…

人工智能 · 计算机科学 2025-04-01 Juanhui Li , Sreyashi Nag , Hui Liu , Xianfeng Tang , Sheikh Sarwar , Limeng Cui , Hansu Gu , Suhang Wang , Qi He , Jiliang Tang

Knowledge tracing (KT), wherein students' problem-solving histories are used to estimate their current levels of knowledge, has attracted significant interest from researchers. However, most existing KT models were developed with an…

计算与语言 · 计算机科学 2024-06-19 Heeseok Jung , Jaesang Yoo , Yohaan Yoon , Yeonju Jang

In recent years, the field of machine learning has made phenomenal progress in the pursuit of simulating real-world data generation processes. One notable example of such success is the variational autoencoder (VAE). In this work, with a…

机器学习 · 统计学 2021-12-30 Hwan Goh , Sheroze Sheriffdeen , Jonathan Wittmer , Tan Bui-Thanh

Modelling student knowledge is a key challenge when leveraging AI in education, with major implications for personalised learning. The Knowledge Tracing (KT) task aims to predict how students will respond to educational questions in…

计算与语言 · 计算机科学 2026-01-27 Max Norris , Kobi Gal , Sahan Bulathwela

In this study, we investigate the application of self-supervised learning via pre-trained Long Short-Term Memory (LSTM) networks for training surface electromyography pattern recognition models (sEMG-PR) using dynamic data with transitions.…

信号处理 · 电气工程与系统科学 2024-09-24 Shriram Tallam Puranam Raghu , Dawn T. MacIsaac , Erik J. Scheme

Learning from an imbalanced distribution presents a major challenge in predictive modeling, as it generally leads to a reduction in the performance of standard algorithms. Various approaches exist to address this issue, but many of them…

机器学习 · 计算机科学 2024-12-11 Samuel Stocksieker , Denys Pommeret , Arthur Charpentier

Despite advancements in vehicle security systems, over the last decade, auto-theft rates have increased, and cyber-security attacks on internet-connected and autonomous vehicles are becoming a new threat. In this paper, a deep learning…

机器学习 · 计算机科学 2019-11-20 Abenezer Girma , Xuyang Yan , Abdollah Homaifar

We propose a novel approach to leveraging pre-trained language models (LMs) for early forecasting of academic trajectories in STEM students using high-dimensional longitudinal experiential data. This data, which captures students'…

机器学习 · 计算机科学 2025-03-31 Ahatsham Hayat , Bilal Khan , Mohammad Rashedul Hasan

Deep metric learning has been demonstrated to be highly effective in learning semantic representation and encoding information that can be used to measure data similarity, by relying on the embedding learned from metric learning. At the…

机器学习 · 统计学 2023-02-09 Haque Ishfaq , Assaf Hoogi , Daniel Rubin

Predicting drop coalescence based on process parameters is crucial for experiment design in chemical engineering. However, predictive models can suffer from the lack of training data and more importantly, the label imbalance problem. In…

计算工程、金融与科学 · 计算机科学 2023-05-02 Kewei Zhu , Sibo Cheng , Nina Kovalchuk , Mark Simmons , Yi-Ke Guo , Omar K. Matar , Rossella Arcucci