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Knowledge tracing (KT) is a crucial technique to predict students' future performance by observing their historical learning processes. Due to the powerful representation ability of deep neural networks, remarkable progress has been made by…

机器学习 · 计算机科学 2023-03-17 Jiahao Chen , Zitao Liu , Shuyan Huang , Qiongqiong Liu , Weiqi Luo

Traditional recommendation methods, which typically focus on modeling a single user behavior (e.g., purchase), often face severe data sparsity issues. Multi-behavior recommendation methods offer a promising solution by leveraging user data…

信息检索 · 计算机科学 2026-03-20 Mingshi Yan , Zhiyong Cheng , Yahong Han , Meng Wang

Latent factor models are increasingly popular for modeling multi-relational knowledge graphs. By their vectorial nature, it is not only hard to interpret why this class of models works so well, but also to understand where they fail and how…

机器学习 · 计算机科学 2017-09-19 Théo Trouillon , Éric Gaussier , Christopher R. Dance , Guillaume Bouchard

Fairness-aware learning mainly focuses on single task learning (STL). The fairness implications of multi-task learning (MTL) have only recently been considered and a seminal approach has been proposed that considers the fairness-accuracy…

机器学习 · 计算机科学 2022-06-20 Arjun Roy , Eirini Ntoutsi

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

Knowledge tracing (KT) aims to monitor students' evolving knowledge states through their learning interactions with concept-related questions, and can be indirectly evaluated by predicting how students will perform on future questions. In…

人工智能 · 计算机科学 2023-12-12 Chaoran Cui , Hebo Ma , Chen Zhang , Chunyun Zhang , Yumo Yao , Meng Chen , Yuling Ma

This study centers on overcoming the challenge of selecting the best annotators for each query in Active Learning (AL), with the objective of minimizing misclassifications. AL recognizes the challenges related to cost and time when…

机器学习 · 计算机科学 2025-08-02 Diana Mortagua

As a key to accessing research impact, citation dynamics underpins research evaluation, scholarly recommendation, and the study of knowledge diffusion. Citation prediction is particularly critical for newborn papers, where early assessment…

社会与信息网络 · 计算机科学 2026-02-17 Mingfei Lu , Mengjia Wu , Jiawei Xu , Weikai Li , Feng Liu , Ying Ding , Yizhou Sun , Jie Lu , Yi Zhang

Transformer-based models, even though achieving super-human performance on several downstream tasks, are often regarded as a black box and used as a whole. It is still unclear what mechanisms they have learned, especially their core module:…

计算与语言 · 计算机科学 2023-10-17 Chong Li , Shaonan Wang , Yunhao Zhang , Jiajun Zhang , Chengqing Zong

We propose a single chunk model of long-term memory that combines the basic features of the ACT-R theory and the multiple trace memory architecture. The pivot point of the developed theory is a mathematical description of the creation of…

神经元与认知 · 定量生物学 2014-02-18 Ihor Lubashevsky , Bohdan Datsko

Factor analysis, often regarded as a Bayesian variant of matrix factorization, offers superior capabilities in capturing uncertainty, modeling complex dependencies, and ensuring robustness. As the deep learning era arrives, factor analysis…

机器学习 · 计算机科学 2024-08-02 Zhibin Duan , Tiansheng Wen , Yifei Wang , Chen Zhu , Bo Chen , Mingyuan Zhou

Multi-agent AI systems, which simulate diverse instructional roles such as teachers and peers, offer new possibilities for personalized and interactive learning. Yet, student-AI interaction patterns and their pedagogical implications remain…

人机交互 · 计算机科学 2026-03-24 Zhanxin Hao , Jie Cao , Ruimiao Li , Jifan Yu , Zhiyuan Liu , Yu Zhang

Knowledge tracing (KT), aiming to mine students' mastery of knowledge by their exercise records and predict their performance on future test questions, is a critical task in educational assessment. While researchers achieved tremendous…

人工智能 · 计算机科学 2024-05-28 Haoxuan Li , Jifan Yu , Yuanxin Ouyang , Zhuang Liu , Wenge Rong , Juanzi Li , Zhang Xiong

Jet tagging is a crucial classification task in high energy physics. Recently the performance of jet tagging has been significantly improved by the application of deep learning techniques. In this study, we introduce a new architecture for…

高能物理 - 唯象学 · 物理学 2023-11-29 Minxuan He , Daohan Wang

Digital textbooks are widely used in various educational contexts, such as university courses and online lectures. Such textbooks yield learning log data that have been used in numerous educational data mining (EDM) studies for student…

机器学习 · 计算机科学 2025-07-22 Shunsuke Yoneda , Valdemar Švábenský , Gen Li , Daisuke Deguchi , Atsushi Shimada

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

Multi-event detection and recognition in real time is of challenge for a modern grid as its feature is usually non-identifiable. Based on factor model, this paper porposes a data-driven method as an alternative solution under the framework…

应用统计 · 统计学 2017-12-27 Fan Yang , Xing He , Robert Caiming Qiu , Zenan Ling

In this work, we propose several attention formulations for multivariate sequence data. We build on top of the recently introduced 2D-Attention and reformulate the attention learning methodology by quantifying the relevance of…

计算机视觉与模式识别 · 计算机科学 2022-01-27 Kateryna Chumachenko , Alexandros Iosifidis , Moncef Gabbouj

Knowledge distillation has become increasingly important in model compression. It boosts the performance of a miniaturized student network with the supervision of the output distribution and feature maps from a sophisticated teacher…

机器学习 · 计算机科学 2020-08-04 Yushuo Guan , Pengyu Zhao , Bingxuan Wang , Yuanxing Zhang , Cong Yao , Kaigui Bian , Jian Tang

To accomplish the punctuation restoration task, most existing approaches focused on leveraging extra information (e.g., part-of-speech tags) or addressing the class imbalance problem. Recent works have widely applied the transformer-based…

计算与语言 · 计算机科学 2022-04-12 Yangjun Wu , Kebin Fang , Yao Zhao