BookAsSumQA: An Evaluation Framework for Aspect-Based Book Summarization via Question Answering

• URL: http://arxiv.org/abs/2511.06183v1
• Date: Sun, 09 Nov 2025 01:54:53 GMT
• Title: BookAsSumQA: An Evaluation Framework for Aspect-Based Book Summarization via Question Answering
• Authors: Ryuhei Miyazato, Ting-Ruen Wei, Xuyang Wu, Hsin-Tai Wu, Kei Harada,
• Abstract summary: BookAsSumQA is a QA-based evaluation framework for aspect-based book summarization.<n>Our experiments showed that while LLM-based approaches showed higher accuracy on shorter texts, RAG-based methods become more effective as document length increases.
• Score: 2.703301365475554
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Aspect-based summarization aims to generate summaries that highlight specific aspects of a text, enabling more personalized and targeted summaries. However, its application to books remains unexplored due to the difficulty of constructing reference summaries for long text. To address this challenge, we propose BookAsSumQA, a QA-based evaluation framework for aspect-based book summarization. BookAsSumQA automatically generates aspect-specific QA pairs from a narrative knowledge graph to evaluate summary quality based on its question-answering performance. Our experiments using BookAsSumQA revealed that while LLM-based approaches showed higher accuracy on shorter texts, RAG-based methods become more effective as document length increases, making them more efficient and practical for aspect-based book summarization.

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