Machine Heart

Aug 28, 2026 · Artificial Intelligence

When and Whether to Push: Douyin & Peking University’s Agentic STEPS System Wins RecSys 2026 Oral

Douyin and Peking University introduced STEPS, a self‑triggered agentic push recommendation system that redefines push notifications as a closed‑loop decision problem, achieving higher user activity, lower opt‑out rates, and 79% resource savings in a billion‑user online A/B test.