Interactor: Agentic RL oriented Iterative Creation for Ad Description Generation in Sponsored Search
A new framework called Interactor has been developed for generating ad descriptions in sponsored search. This system uses agentic reinforcement learning to iteratively refine descriptions based on feedback from generative reward models. Deployed in a leading search ads system since May 2026, Interactor has demonstrated superior performance in creating knowledge-rich and faithful ad descriptions, positively impacting ad revenue and user experience. AI
IMPACT Enhances ad relevance and user experience through AI-driven description generation.