TutorLLM: customizing learning recommendations with knowledge tracing and retrieval-augmented generation

Abstract

The integration of AI in education offers significant potential to enhance learning efficiency. Large Language Models (LLMs), such as ChatGPT, Gemini, and Llama, allow students to query a wide range of topics, providing unprecedented flexibility. However, LLMs face challenges, such as handling varying content relevance and lack of personalization. To address these challenges, we propose TutorLLM, a personalized learning recommender LLM system based on Knowledge Tracing (KT) and Retrieval-Augmented Generation (RAG). The novelty of TutorLLM lies in its unique combination of KT and RAG techniques with LLMs, which enables dynamic retrieval of context-specific knowledge and provides personalized learning recommendations based on the student's personal learning state. Specifically, this integration allows TutorLLM to tailor responses based on individual learning states predicted by the Multi-Features with Latent Relations BERT-based KT (MLFBK) model and to enhance response accuracy with a Scraper model. The evaluat

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Identifiers

ORCID for Zhaoxing Li: orcid.org/0000-0003-3560-3461

ORCID for Vahid Yazdanpanah: orcid.org/0000-0002-4468-6193

ORCID for Sarah Kiden: orcid.org/0000-0003-2651-9620

ORCID for Sebastian Stein: orcid.org/0000-0003-2858-8857

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