用大模型辅助构建学科知识图谱,实现跨专业个性化学习推荐
LLM-Assisted Knowledge Graph Completion for Curriculum and Domain Modelling in Personalized Higher Education Recommendations
- 大模型与专家协作提取课程细粒度知识点
- 构建包含课程与领域模型的双模块知识图谱
- 适合教育科技研发与个性化学习系统设计者
个性化学习虽具潜力,但高等教育需更深入考虑学科模型与学习情境以发展有效算法。本文提出一种基于大语言模型(LLMs)的知识图谱(KG)补全方法,用于大学课程建模,旨在生成个性化学习路径推荐。研究聚焦于建模高校课程,并将其主题与领域模型关联,实现跨学院、跨机构学习模块的整合。核心在于人机协同流程:大模型协助专家从讲义中提取高质量、细粒度的主题。我们构建了面向大学模块与利益相关者的领域、课程与用户模型,并在两个课程模块——嵌入式系统与使用FPGA开发嵌入式系统——上实现该模型,形成结构化知识图谱。通过定性专家反馈与定量图质量指标评估,结果显示该方法显著提升了跨学科课程关联能力,支持个性化学习体验;专家对人机协同的概念提取与分类方法高度认可。
原文摘要 · Abstract (English)
While learning personalization offers great potential for learners, modern practices in higher education require a deeper consideration of domain models and learning contexts, to develop effective personalization algorithms. This paper introduces an innovative approach to higher education curriculum modelling that utilizes large language models (LLMs) for knowledge graph (KG) completion, with the goal of creating personalized learning-path recommendations. Our research focuses on modelling university subjects and linking their topics to corresponding domain models, enabling the integration of learning modules from different faculties and institutions in the student's learning path. Central to our approach is a collaborative process, where LLMs assist human experts in extracting high-quality, fine-grained topics from lecture materials. We develop a domain, curriculum, and user models for university modules and stakeholders. We implement this model to create the KG from two study modules: Embedded Systems and Development of Embedded Systems Using FPGA. The resulting KG structures the curriculum and links it to the domain models. We evaluate our approach through qualitative expert feedback and quantitative graph quality metrics. Domain experts validated the relevance and accuracy of the model, while the graph quality metrics measured the structural properties of our KG. Our results show that the LLM-assisted graph completion approach enhances the ability to connect related courses across disciplines to personalize the learning experience. Expert feedback also showed high acceptance of the proposed collaborative approach for concept extraction and classification.
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