cross-scene

Xiaohongshu Tech REDtech

Dec 15, 2022 · Artificial Intelligence

Cross‑Scene Intelligent Advertising on Xiaohongshu: Algorithms for Keyword Selection, Targeting, Budget Allocation and Multi‑Constrained Bidding

Xiaohongshu’s All‑Site Smart投 platform unifies cross‑scene advertising by using AI‑driven keyword extraction, graph‑based user modeling, OCR‑enhanced sparse‑ad handling, learning‑to‑rank targeting, dynamic budget reallocation, and a primal‑dual linear‑programming bidding engine that jointly optimizes ROI under multiple constraints.