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

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Knowledge tracing (KT) is the problem of predicting students' future performance based on their historical interactions with intelligent tutoring systems. Recent studies have applied multiple types of deep neural networks to solve the KT…

Computers and Society · Computer Science 2023-02-17 Zitao Liu , Qiongqiong Liu , Jiahao Chen , Shuyan Huang , Boyu Gao , Weiqi Luo , Jian Weng

Sparsely-activated Mixture-of-experts (MoE) models allow the number of parameters to greatly increase while keeping the amount of computation for a given token or a given sample unchanged. However, a poor expert routing strategy (e.g. one…

Machine Learning · Computer Science 2022-10-17 Yanqi Zhou , Tao Lei , Hanxiao Liu , Nan Du , Yanping Huang , Vincent Zhao , Andrew Dai , Zhifeng Chen , Quoc Le , James Laudon

Knowledge tracing (KT) enhances student learning by leveraging past performance to predict future performance. Current research utilizes models based on attention mechanisms and recurrent neural network structures to capture long-term…

Artificial Intelligence · Computer Science 2024-05-28 Yang Cao , Wei Zhang

Emerging Knowledge Tracing (KT) models, particularly deep learning and attention-based Knowledge Tracing, have shown great potential in realizing personalized learning analysis via prediction of students' future performance based on their…

Machine Learning · Computer Science 2025-01-13 Shubham Kose , Jin Wei-Kocsis

A prevailing trend in neural network research suggests that model performance improves with increasing depth and capacity - often at the cost of integrability and efficiency. In this paper, we propose a strategy to optimize small,…

Machine Learning · Computer Science 2025-08-14 Yanick Chistian Tchenko , Felix Mohr , Hicham Hadj Abdelkader , Hedi Tabia

The goal of Knowledge Tracing (KT) is to estimate how well students have mastered a concept based on their historical learning of related exercises. The benefit of knowledge tracing is that students' learning plans can be better organised…

Machine Learning · Computer Science 2022-01-25 Xiangyu Song , Jianxin Li , Qi Lei , Wei Zhao , Yunliang Chen , Ajmal Mian

Knowledge Tracing (KT) aims to predict a student's future performance based on their sequence of interactions with learning content. Many KT models rely on knowledge concepts (KCs), which represent the skills required for each item.…

Computers and Society · Computer Science 2025-08-26 Yahya Badran , Christine Preisach

Knowledge Tracing (KT), tracking a human's knowledge acquisition, is a central component in online learning and AI in Education. In this paper, we present a simple, yet effective strategy to improve the generalization ability of KT models:…

Machine Learning · Computer Science 2021-05-04 Seewoo Lee , Youngduck Choi , Juneyoung Park , Byungsoo Kim , Jinwoo Shin

The real-world traffic networks undergo expansion through the installation of new sensors, implying that the traffic patterns continually evolve over time. Incrementally training a model on the newly added sensors would make the model…

Machine Learning · Computer Science 2024-06-06 Sanghyun Lee , Chanyoung Park

Model merging via Mixture-of-Experts (MoE) has emerged as a scalable solution for consolidating multiple task-specific models into a unified sparse architecture, where each expert is derived from a model fine-tuned on a distinct task. While…

Cryptography and Security · Computer Science 2025-08-05 Xin He , Junxi Shen , Zhenheng Tang , Xiaowen Chu , Bo Li , Ivor W. Tsang , Yew-Soon Ong

Knowledge Tracing (KT) aims to estimate a learner's evolving mastery based on interaction histories. Recent studies have explored Large Language Models (LLMs) for KT via autoregressive nature, but such approaches typically require…

Computation and Language · Computer Science 2026-01-06 Unggi Lee , Joo Young Kim , Ran Ju , Minyoung Jung , Jeyeon Eo

In educational applications, Knowledge Tracing (KT), the problem of accurately predicting students' responses to future questions by summarizing their knowledge states, has been widely studied for decades as it is considered a fundamental…

Computers and Society · Computer Science 2021-05-14 Yuhao Zhou , Xihua Li , Yunbo Cao , Xuemin Zhao , Qing Ye , Jiancheng Lv

In this paper, we introduce a novel dynamic expert selection framework for Mixture of Experts (MoE) models, aiming to enhance computational efficiency and model performance by adjusting the number of activated experts based on input…

Machine Learning · Computer Science 2024-03-13 Quzhe Huang , Zhenwei An , Nan Zhuang , Mingxu Tao , Chen Zhang , Yang Jin , Kun Xu , Kun Xu , Liwei Chen , Songfang Huang , Yansong Feng

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…

Artificial Intelligence · Computer Science 2025-11-18 Lixiang Xu , Xianwei Ding , Xin Yuan , Richang Hong , Feiping Nie , Enhong Chen , Philip S. Yu

Knowledge tracing is the task of predicting a learner's future performance based on the history of the learner's performance. Current knowledge tracing models are built based on an extensive set of data that are collected from multiple…

Computers and Society · Computer Science 2022-01-19 Sujanya Suresh , Savitha Ramasamy , P. N. Suganthan , Cheryl Sze Yin Wong

This research combines Knowledge Distillation (KD) and Mixture of Experts (MoE) to develop modular, efficient multilingual language models. Key objectives include evaluating adaptive versus fixed alpha methods in KD and comparing modular…

Artificial Intelligence · Computer Science 2024-07-30 Mohammed Al-Maamari , Mehdi Ben Amor , Michael Granitzer

Knowledge Tracing (KT) aims to mine students' evolving knowledge states and predict their future question-answering performance. Existing methods based on heterogeneous information networks (HINs) are prone to introducing noises due to…

Artificial Intelligence · Computer Science 2025-11-20 Zhiyi Duan , Zixing Shi , Hongyu Yuan , Qi Wang

Modern applications increasingly involve many heterogeneous input streams, such as clinical sensors, wearable device data, imaging, and text, each with distinct measurement models, sampling rates, and noise characteristics. We define this…

Machine Learning · Computer Science 2026-03-03 Xing Han , Hsing-Huan Chung , Joydeep Ghosh , Paul Pu Liang , Suchi Saria

Recent progress in deep learning has been driven by increasingly large-scale models, but the resulting computational cost has become a critical bottleneck. Sparse Mixture of Experts (MoE) offers an effective solution by activating only a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Masahiro Kada , Ryota Yoshihashi , Satoshi Ikehata , Rei Kawakami , Ikuro Sato

As an important technique for modeling the knowledge states of learners, the traditional knowledge tracing (KT) models have been widely used to support intelligent tutoring systems and MOOC platforms. Driven by the fast advancements of deep…

Machine Learning · Computer Science 2020-05-14 Yu Lu , Deliang Wang , Qinggang Meng , Penghe Chen