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The integration of event cameras and spiking neural networks (SNNs) promises energy-efficient visual intelligence, yet scarce event data and the sparsity of DVS outputs hinder effective training. Prior knowledge transfers from RGB to DVS…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yuqi Xie , Shuhan Ye , Yi Yu , Chong Wang , Qixin Zhang , Jiazhen Xu , Le Shen , Yuanbin Qian , Jiangbo Qian , Guoqi Li

Knowledge Tracing (KT) aims to model student's knowledge state and predict future performance to enable personalized learning in Intelligent Tutoring Systems. However, traditional KT methods face fundamental limitations in explainability,…

Machine Learning · Computer Science 2026-01-29 Jungyang Park , Suho Kang , Jaewoo Park , Jaehong Kim , Jaewoo Shin , Seonjoon Park , Youngjae Yu

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

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…

Machine Learning · Computer Science 2023-03-17 Jiahao Chen , Zitao Liu , Shuyan Huang , Qiongqiong Liu , Weiqi Luo

For offering proactive services to students in intelligent education, one of the fundamental tasks is predicting their performance (e.g., scores) on future exercises, where it is necessary to track each student's knowledge acquisition…

Computers and Society · Computer Science 2019-06-14 Qi Liu , Zhenya Huang , Yu Yin , Enhong Chen , Hui Xiong , Yu Su , Guoping Hu

In this paper, we tackle a new problem: how to transfer knowledge from the pre-trained cumbersome yet well-performed CNN-based model to learn a compact Vision Transformer (ViT)-based model while maintaining its learning capacity? Due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Xu Zheng , Yunhao Luo , Pengyuan Zhou , Lin Wang

Knowledge Tracing (KT), which aims to model student knowledge level and predict their performance, is one of the most important applications of user modeling. Modern KT approaches model and maintain an up-to-date state of student knowledge…

Computers and Society · Computer Science 2022-10-18 Chunpai Wang , Shaghayegh Sahebi , Siqian Zhao , Peter Brusilovsky , Laura O. Moraes

Crowd estimation is a very challenging problem. The most recent study tries to exploit auditory information to aid the visual models, however, the performance is limited due to the lack of an effective approach for feature extraction and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Usman Sajid , Xiangyu Chen , Hasan Sajid , Taejoon Kim , Guanghui Wang

Knowledge graph (KG) learning offers a powerful framework for generating new knowledge and making inferences. Training KG embedding can take a significantly long time, especially for larger datasets. Our analysis shows that the gradient…

Machine Learning · Computer Science 2025-05-01 Md Saidul Hoque Anik , Ariful Azad

Forecasting the flow of crowds is of great importance to traffic management and public safety, yet a very challenging task affected by many complex factors, such as inter-region traffic, events and weather. In this paper, we propose a…

Artificial Intelligence · Computer Science 2017-01-11 Junbo Zhang , Yu Zheng , Dekang Qi

Density regression has been widely employed in crowd counting. However, the frequency imbalance of pixel values in the density map is still an obstacle to improve the performance. In this paper, we propose a novel learning strategy for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Wenxi Li , Zhuoqun Cao , Qian Wang , Songjian Chen , Rui Feng

This work introduces a novel knowledge distillation framework for classification tasks where information on existing subclasses is available and taken into consideration. In classification tasks with a small number of classes or binary…

Machine Learning · Computer Science 2022-07-19 Ahmad Sajedi , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Knowledge tracing (KT) is a fundamental task in educational data mining that mainly focuses on students' dynamic cognitive states of skills. The question-answering process of students can be regarded as a thinking process that considers the…

Computers and Society · Computer Science 2022-10-18 Haotian Zhang , Chenyang Bu , Fei Liu , Shuochen Liu , Yuhong Zhang , Xuegang Hu

Spatiotemporal learning is challenging due to the intricate interplay between spatial and temporal dependencies, the high dimensionality of the data, and scalability constraints. These challenges are further amplified in scientific domains,…

Machine Learning · Computer Science 2025-04-17 David Keetae Park , Xihaier Luo , Guang Zhao , Seungjun Lee , Miruna Oprescu , Shinjae Yoo

Modern online education has the capacity to provide intelligent educational services by automatically analyzing substantial amounts of student behavioral data. Knowledge Tracing (KT) is one of the fundamental tasks for student behavioral…

Computers and Society · Computer Science 2024-07-16 Shuanghong Shen , Qi Liu , Zhenya Huang , Yonghe Zheng , Minghao Yin , Minjuan Wang , Enhong Chen

Recently, distributed GNN training frameworks, such as DistDGL and PyG, have been developed to enable training GNN models on large graphs by leveraging multiple GPUs in a distributed manner. Despite these advances, their memory requirements…

Machine Learning · Computer Science 2025-12-09 Xin Huang , Weipeng Zhuo , Minh Phu Vuong , Shiju Li , Jongryool Kim , Bradley Rees , Chul-Ho Lee

Cross-media retrieval is a research hotspot in multimedia area, which aims to perform retrieval across different media types such as image and text. The performance of existing methods usually relies on labeled data for model training.…

Multimedia · Computer Science 2018-03-13 Xin Huang , Yuxin Peng

Human-curated knowledge graphs provide critical supportive information to various natural language processing tasks, but these graphs are usually incomplete, urging auto-completion of them. Prevalent graph embedding approaches, e.g.,…

Computation and Language · Computer Science 2021-02-25 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

Knowledge tracing is the task of modeling each student's mastery of knowledge concepts (KCs) as (s)he engages with a sequence of learning activities. Each student's knowledge is modeled by estimating the performance of the student on the…

Machine Learning · Computer Science 2019-07-17 Shalini Pandey , George Karypis

Crowd counting from unconstrained scene images is a crucial task in many real-world applications like urban surveillance and management, but it is greatly challenged by the camera's perspective that causes huge appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Lingbo Liu , Hongjun Wang , Guanbin Li , Wanli Ouyang , Liang Lin