关键词: 知识追踪, 学习者, 知识状态, 在线教育, 深度学习

Abstract: Knowledge tracing was considered a fundamental and challenging task in online education, and it involved the establishment of a learner's knowledge state model based on their learning history. Learners could benefit from better understanding their knowledge status, while teachers could gain insights into their learning progress. A retrospective survey of knowledge tracing research for online education was presented, with a focus on developments in the relevant field. The main tasks and historical progression of knowledge tracing were introduced. Subsequently, traditional knowledge tracing models and deep learning knowledge tracing models were discussed. Furthermore, relevant datasets and evaluation metrics were summarized, alongside a compilation of the applications of knowledge tracing. In conclusion, the current state of knowledge tracing were summarized, and prospects for future advancements were explored, along with a discussion of the limitations of the study and potential directions for future improvements.

Key words: knowledge tracing, learners, state of knowledge, online education, deep learning