Beyond Rephrasing: Book-Level Organization Improves Synthetic Textbook Data for Mid-Training

Created: 2026-07-31 | Tags: generative-aillmpersonalized-learningeducational-theory

Jiawen Tao, Miao Peng, Yaoming Li, Xiaokun Yuan, Mengzhou Wu (2026) โ€” arXiv:2607.28109 (cs.AI)

๐Ÿ“„ Full text (arXiv)

Summary

Studies how organizing synthetic content into coherent book-level documents affects language model training, moving beyond local rewriting. Presents a scalable synthesis pipeline that retrieves source material, clusters it into topical units, and plans hierarchical textbook structures. Shows book-level organization significantly outperforms isolated content generation for educational knowledge acquisition in LLMs.

The work connects to broader discussions in AI and education around generative-ai, personalized-learning, educational-content, contributing to our understanding of how generative ai shapes educational practice.

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Citation

APA: Jiawen Tao, Miao Peng, Yaoming Li, Xiaokun Yuan, Mengzhou Wu (2026). Beyond Rephrasing: Book-Level Organization Improves Synthetic Textbook Data for Mid-Training. arXiv:2607.28109. cs.AI.