English
Related papers

Related papers: RouterKT: Mixture-of-Experts for Knowledge Tracing

200 papers

Knowledge Tracing (KT) plays a central role in assessing students skill mastery and predicting their future performance. While deep learning based KT models achieve superior predictive accuracy compared to traditional methods, their…

Computers and Society · Computer Science 2025-09-24 Sein Minn , Roger Nkambou

Knowledge tracing (KT) plays a crucial role in computer-aided education and intelligent tutoring systems, aiming to assess students' knowledge proficiency by predicting their future performance on new questions based on their past response…

Computers and Society · Computer Science 2024-06-03 Jiajun Cui , Minghe Yu , Bo Jiang , Aimin Zhou , Jianyong Wang , Wei Zhang

Intelligent tutoring systems optimize the selection and timing of learning materials to enhance understanding and long-term retention. This requires estimates of both the learner's progress (''knowledge tracing''; KT), and the prerequisite…

Machine Learning · Computer Science 2024-03-21 Hanqi Zhou , Robert Bamler , Charley M. Wu , Álvaro Tejero-Cantero

Mixture-of-Experts (MoE) architectures have emerged as a cornerstone of modern AI systems. In particular, MoEs route inputs dynamically to specialized experts whose outputs are aggregated through weighted summation. Despite their widespread…

Machine Learning · Computer Science 2025-10-09 Fangshuo Liao , Anastasios Kyrillidis

Knowledge Tracing (KT) aims to model a student's learning trajectory and predict performance on the next question. A key challenge is how to better represent the relationships among students, questions, and knowledge concepts (KCs).…

Artificial Intelligence · Computer Science 2026-01-26 Chi Yu , Hongyu Yuan , Zhiyi Duan

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…

Software Engineering · Computer Science 2022-06-09 Yang Shi , Min Chi , Tiffany Barnes , Thomas Price

This paper addresses the importance of Knowledge Structure (KS) and Knowledge Tracing (KT) in improving the recommendation of educational content in intelligent tutoring systems. The KS represents the relations between different Knowledge…

Computers and Society · Computer Science 2024-02-06 Louis Annabi , Sao Mai Nguyen

Knowledge Tracing (KT) aims to predict students' future performances based on their former exercises and additional information in educational settings. KT has received significant attention since it facilitates personalized experiences in…

Artificial Intelligence · Computer Science 2025-02-18 Hao Zhou , Wenge Rong , Jianfei Zhang , Qing Sun , Yuanxin Ouyang , Zhang Xiong

Crowd counting is an application-oriented task and its inference efficiency is crucial for real-world applications. However, most previous works relied on heavy backbone networks and required prohibitive run-time consumption, which would…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Lingbo Liu , Jiaqi Chen , Hefeng Wu , Tianshui Chen , Guanbin Li , Liang Lin

Knowledge tracing (KT) models aim to predict students' future performance based on their historical interactions. Most existing KT models rely exclusively on human-defined knowledge concepts (KCs) associated with exercises. As a result, the…

Machine Learning · Computer Science 2025-01-20 Yahya Badran , Christine Preisach

Sparse Mixture of Experts (MoE) models offer a scalable and efficient architecture for training large neural networks by activating only a subset of parameters ("experts") for each input. A learned router computes a distribution over these…

Machine Learning · Computer Science 2025-10-14 Nabil Omi , Siddhartha Sen , Ali Farhadi

Knowledge Tracing (KT) aims to determine whether students will respond correctly to the next question, which is a crucial task in intelligent tutoring systems (ITS). In educational KT scenarios, transductive ID-based methods often face…

Artificial Intelligence · Computer Science 2024-11-05 Lingyue Fu , Hao Guan , Kounianhua Du , Jianghao Lin , Wei Xia , Weinan Zhang , Ruiming Tang , Yasheng Wang , Yong Yu

Scaling the size of a model enhances its capabilities but significantly increases computation complexity. Mixture-of-Experts models (MoE) address the issue by allowing model size to scale up without substantially increasing training or…

Computation and Language · Computer Science 2024-08-30 Zhenpeng Su , Zijia Lin , Xue Bai , Xing Wu , Yizhe Xiong , Haoran Lian , Guangyuan Ma , Hui Chen , Guiguang Ding , Wei Zhou , Songlin Hu

We study the problem of knowledge tracing (KT) where the goal is to trace the students' knowledge mastery over time so as to make predictions on their future performance. Owing to the good representation capacity of deep neural networks…

Computers and Society · Computer Science 2021-08-11 Xiaopeng Guo , Zhijie Huang , Jie Gao , Mingyu Shang , Maojing Shu , Jun Sun

Knowledge tracing consists in predicting the performance of some students on new questions given their performance on previous questions, and can be a prior step to optimizing assessment and learning. Deep knowledge tracing (DKT) is a…

Computers and Society · Computer Science 2023-12-27 Jill-Jênn Vie , Hisashi Kashima

Accurate modeling of student knowledge is essential for large-scale online learning systems that are increasingly used for student training. Knowledge tracing aims to model student knowledge state given the student's sequence of learning…

Computers and Society · Computer Science 2023-01-31 Siqian Zhao , Chunpai Wang , Shaghayegh Sahebi

Knowledge Tracing (KT) infers a student's knowledge state from past interactions to predict future performance. Conventional Deep Learning (DL)-based KT models are typically tied to platform-specific identifiers and latent representations,…

Artificial Intelligence · Computer Science 2026-04-23 Zhiyi Duan , Hongyu Yuan , Rui Liu

This work introduces a novel interpretable machine learning method called Mixture of Decision Trees (MoDT). It constitutes a special case of the Mixture of Experts ensemble architecture, which utilizes a linear model as gating function and…

Machine Learning · Computer Science 2022-11-29 Simeon Brüggenjürgen , Nina Schaaf , Pascal Kerschke , Marco F. Huber

Knowledge tracing (KT) has recently been an active research area of computational pedagogy. The task is to model students' mastery level of knowledge concepts based on their responses to the questions in the past, as well as predict the…

Machine Learning · Computer Science 2021-10-15 Shanghui Yang , Mengxia Zhu , Xuesong Lu

Continual learning (CL) has garnered significant attention because of its ability to adapt to new tasks that arrive over time. Catastrophic forgetting (of old tasks) has been identified as a major issue in CL, as the model adapts to new…

Machine Learning · Computer Science 2025-02-20 Hongbo Li , Sen Lin , Lingjie Duan , Yingbin Liang , Ness B. Shroff