Enhancing Textbook Question Answering Task with Large Language Models and Retrieval Augmented Generation

• URL: http://arxiv.org/abs/2402.05128v2
• Date: Wed, 14 Feb 2024 10:06:54 GMT
• Title: Enhancing Textbook Question Answering Task with Large Language Models and Retrieval Augmented Generation
• Authors: Hessa Abdulrahman Alawwad, Areej Alhothali, Usman Naseem, Ali Alkhathlan, Amani Jamal
• Abstract summary: This paper proposes a methodology that handle the out-of-domain scenario in Textbook question answering (TQA) Through supervised fine-tuning of the LLM model Llama-2 and the incorporation of RAG, our architecture outperforms the baseline, achieving a 4.12% accuracy improvement on validation set and 9.84% on test set for non-diagram multiple-choice questions.
• Score: 3.948068081583197
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context and multimodal data. Although previous research has significantly improved the task, there are still some limitations including the models' weak reasoning and inability to capture contextual information in the lengthy context. The introduction of large language models (LLMs) has revolutionized the field of AI, however, directly applying LLMs often leads to inaccurate answers. This paper proposes a methodology that handle the out-of-domain scenario in TQA where concepts are spread across different lessons by incorporating the retrieval augmented generation (RAG) technique and utilize transfer learning to handle the long context and enhance reasoning abilities. Through supervised fine-tuning of the LLM model Llama-2 and the incorporation of RAG, our architecture outperforms the baseline, achieving a 4.12% accuracy improvement on validation set and 9.84% on test set for non-diagram multiple-choice questions.

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