no code implementations • 15 Mar 2023 • Tongwen Huang, Xihua Li, Chao Yi, Xuemin Zhao, Yunbo Cao
When students make a mistake in an exercise, they can consolidate it by ``similar exercises'' which have the same concepts, purposes and methods.
no code implementations • 9 Mar 2023 • He Zhu, Xihua Li, Xuemin Zhao, Yunbo Cao, Shan Yu
Finally, supervised contrastive learning was conducted on relevance prediction-related downstream tasks, which helped the model to learn the representation of questions effectively.
no code implementations • 17 Nov 2021 • Hengyao Bao, Xihua Li, Xuemin Zhao, Yunbo Cao
In this paper, we propose a method of student representation with the exploration of the hierarchical relations of knowledge concepts and student embedding.
no code implementations • 16 Nov 2021 • Tongwen Huang, Xihua Li
Education artificial intelligence aims to profit tasks in the education domain such as intelligent test paper generation and consolidation exercises where the main technique behind is how to match the exercises, known as the finding similar exercises(FSE) problem.
1 code implementation • 21 Apr 2021 • Yuhao Zhou, Xihua Li, Yunbo Cao, Xuemin Zhao, Qing Ye, Jiancheng Lv
With pivot module reconstructed the decoder for individual students and leveled learning specialized encoders for groups, personalized DKT was achieved.
no code implementations • 9 Sep 2017 • Xihua Li
In this paper, a combination of modified mean search and LSH method would be introduced orderly to improve the precision and recall of SIPP face recognition without retrain of the DNN model.