Tencent Advertising Technology

Jul 9, 2026 · Artificial Intelligence

S‑GRec: Personalized Semantic‑Aware Generative Recommendation with Asymmetric Advantage Alignment

The paper introduces S‑GRec, a semantic‑aware generative recommendation framework that decouples a lightweight online generator from an offline LLM‑based personalized semantic judge, using a novel asymmetric advantage policy optimization to align deep semantic understanding with commercial metrics without adding online latency.