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In theoretical cognitive science, there is a tension between highly structured models whose parameters have a direct psychological interpretation and highly complex, general-purpose models whose parameters and representations are difficult…

人工智能 · 计算机科学 2016-06-22 Mohammad Khajah , Robert V. Lindsey , Michael C. Mozer

In active learning, the focus is mainly on the selection strategy of unlabeled data for enhancing the generalization capability of the next learning cycle. For this, various uncertainty measurement methods have been proposed. On the other…

计算机视觉与模式识别 · 计算机科学 2020-11-06 SeulGi Hong , Heonjin Ha , Junmo Kim , Min-Kook Choi

Knowledge tracing (KT) models are a popular approach for predicting students' future performance at practice problems using their prior attempts. Though many innovations have been made in KT, most models including the state-of-the-art Deep…

软件工程 · 计算机科学 2022-06-09 Yang Shi , Min Chi , Tiffany Barnes , Thomas Price

Adaptive learning technology solutions often use a learner model to trace learning and make pedagogical decisions. The present research introduces a formalized methodology for specifying learner models, Logistic Knowledge Tracing (LKT),…

应用统计 · 统计学 2021-12-14 Philip I. Pavlik, , Luke G. Eglington , Leigh M. Harrell-Williams

Deep neural networks have become popular in many supervised learning tasks, but they may suffer from overfitting when the training dataset is limited. To mitigate this, many researchers use data augmentation, which is a widely used and…

机器学习 · 计算机科学 2022-05-27 Jianhan Wu , Shijing Si , Jianzong Wang , Jing Xiao

Knowledge tracing is a technique that predicts students' future performance by analyzing their learning process through historical interactions with intelligent educational platforms, enabling a precise evaluation of their knowledge…

机器学习 · 计算机科学 2024-09-12 Zhiyu Chen , Wei Ji , Jing Xiao , Zitao Liu

Batch normalization (BN) is a ubiquitous technique for training deep neural networks that accelerates their convergence to reach higher accuracy. However, we demonstrate that BN comes with a fundamental drawback: it incentivizes the model…

机器学习 · 计算机科学 2022-07-05 Saeid Asgari Taghanaki , Ali Gholami , Fereshte Khani , Kristy Choi , Linh Tran , Ran Zhang , Aliasghar Khani

Despite huge successes on a wide range of tasks, neural networks are known to sometimes struggle to generalise to unseen data. Many approaches have been proposed over the years to promote the generalisation ability of neural networks,…

机器学习 · 计算机科学 2026-02-02 Christiaan P. Opperman , Anna S. Bosman , Katherine M. Malan

Knowledge tracing (KT) is a popular approach for modeling students' learning progress over time, which can enable more personalized and adaptive learning. However, existing KT approaches face two major limitations: (1) they rely heavily on…

机器学习 · 计算机科学 2025-03-14 Yilmazcan Ozyurt , Stefan Feuerriegel , Mrinmaya Sachan

Knowledge Tracing (KT) is a task of tracing evolving knowledge state of students with respect to one or more concepts as they engage in a sequence of learning activities. One important purpose of KT is to personalize the practice sequence…

人工智能 · 计算机科学 2017-02-20 Jiani Zhang , Xingjian Shi , Irwin King , Dit-Yan Yeung

Knowledge Tracing (KT) is a fundamental technology in intelligent tutoring systems used to simulate changes in students' knowledge state during learning, track personalized knowledge mastery, and predict performance. However, current KT…

人工智能 · 计算机科学 2025-05-01 Jiahui Cen , Jianghao Lin , Weixuan Zhong , Dong Zhou , Jin Chen , Aimin Yang , Yongmei Zhou

We present the SCR framework for enhancing the training of graph neural networks (GNNs) with consistency regularization. Regularization is a set of strategies used in Machine Learning to reduce overfitting and improve the generalization…

社会与信息网络 · 计算机科学 2022-06-14 Chenhui Zhang , Yufei He , Yukuo Cen , Zhenyu Hou , Wenzheng Feng , Yuxiao Dong , Xu Cheng , Hongyun Cai , Feng He , Jie Tang

Although existing Quantization-Aware Training (QAT) methods intensively depend on knowledge distillation to guarantee performance, QAT still suffers from severe performance drop. The experiments have shown that vanilla quantization is…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Junbiao Pang , Tianyang Cai , Baochang Zhang , Jiaqi Wu

Knowledge tracing (KT) is a crucial task in intelligent education, focusing on predicting students' performance on given questions to trace their evolving knowledge. The advancement of deep learning in this field has led to deep-learning…

人工智能 · 计算机科学 2024-06-21 Jiajun Cui , Hong Qian , Bo Jiang , Wei Zhang

Adversarial training (AT) is currently one of the most successful methods to obtain the adversarial robustness of deep neural networks. However, the phenomenon of robust overfitting, i.e., the robustness starts to decrease significantly…

机器学习 · 计算机科学 2021-12-23 Jihoon Tack , Sihyun Yu , Jongheon Jeong , Minseon Kim , Sung Ju Hwang , Jinwoo Shin

Knowledge tracing (KT) aims to trace students' knowledge states by predicting whether students answer correctly on exercises. Despite the excellent performance of existing Transformer-based KT approaches, they are criticized for the…

神经与进化计算 · 计算机科学 2023-10-03 Shangshang Yang , Xiaoshan Yu , Ye Tian , Xueming Yan , Haiping Ma , Xingyi Zhang

Knowledge Tracing (KT) is crucial in education assessment, which focuses on depicting students' learning states and assessing students' mastery of subjects. With the rise of modern online learning platforms, particularly massive open online…

机器学习 · 计算机科学 2025-01-22 Weihua Cheng , Hanwen Du , Chunxiao Li , Ersheng Ni , Liangdi Tan , Tianqi Xu , Yongxin Ni

Adversarial training (AT) has proven to be one of the most effective ways to defend Deep Neural Networks (DNNs) against adversarial attacks. However, the phenomenon of robust overfitting, i.e., the robustness will drop sharply at a certain…

机器学习 · 计算机科学 2022-05-25 Shudong Zhang , Haichang Gao , Tianwei Zhang , Yunyi Zhou , Zihui Wu

Knowledge Tracing (KT) involves monitoring the changes in a student's knowledge over time by analyzing their past responses, with the goal of predicting future performance. However, most existing methods primarily focus on feature…

人工智能 · 计算机科学 2025-11-18 Lixiang Xu , Xianwei Ding , Xin Yuan , Richang Hong , Feiping Nie , Enhong Chen , Philip S. Yu

Knowledge tracing (KT) refers to the problem of predicting future learner performance given their past performance in educational applications. Recent developments in KT using flexible deep neural network-based models excel at this task.…

机器学习 · 计算机科学 2020-07-27 Aritra Ghosh , Neil Heffernan , Andrew S. Lan