A Random Walk Down Recsys - Part 3

Welcome back to the third installment of A Random Walk Down Recsys. This time, all five papers revolve around a single theme: Semantic IDs (SIDs) — how to generate them, how to improve their quality, and how to leverage them effectively in generative recommender (GR) models. The papers span a wide range of ideas: compressing long user sequences through SID hierarchies, injecting reasoning capab...