Reinforcement Learning-Driven Generative Retrieval with Semantic-aligned Multi-Layer Identifiers

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Bo Xu, Yicen Tian, Xiaokun Zhang, Erchen Yu, Dailin Li, Linlin Zong, Hongfei Lin

Published: 10 Nov 2025, Last Modified: 18 Jan 2026CrossrefEveryoneRevisionsCC BY-SA 4.0