Chen, Xueyu, Kaitao Song, Zifan Song, Dongsheng Li, and Cairong Zhao. “Improving Long-Context Summarization With Multi-Granularity Retrieval Optimization”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 36 (March 14, 2026): 30315-30323. Accessed April 28, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/40283.