Author

Ren Xiang

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#artificial intelligence Preprint Oct 2026

Beyond Semantic IDs: Finite-Beam Reachability and Continuous-Query Generation in Generative Recommendation

Generative recommendation (GR) of social media platforms commonly retrieves items by autoregressively decoding discrete Semantic IDs (SIDs) with finite-width beam search. This work examines how this output interface constrains whether held-out targets enter finite returned lists, while distinguishing catalog-wide score...

Yu Sun, Ren Xiang, Zuo-Dong Xiang et al. · 0 citations

#natural language process... Preprint Sep 2026

Dream-RSI: Recursive Self-Improvement through Evolving Worlds

A lightweight orchestration layer makes exploration explicit and programmable while leaving the underlying base agent unchanged, and a key insight is that accumulated discovery history can act as a replay simulator over the realized search space.

Tong Zheng, Xidong Wu, Zheng Zhang et al. · 13 citations

Preprint Jul 2026

Agentic Context Learning with Self-Discovered Specification

The results suggest context learning hinges on not only content acquisition but also specification acquisition, and designs a deliberately simple intervention PSCI (private specification-contract induction) which extracts local specifications and enforces them through adversarial checking and repair.

Jike Zhong, Ming Li, Yuxiang Lai et al. · 1 citation