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Vivo’s frontend team built a self‑attention‑based machine‑learning model that predicts web‑page layout types (column, row, or absolute) from node dimensions and positions, solving parent‑child and sibling relationships for design‑to‑code conversion, achieving 99.4% accuracy using over 20 k labeled, crawled, and generated samples, while outlining further enhancements.
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By extracting hour‑level activity logs and training supervised models—including CART, GBDT, and neural networks—on user tags, the team simulated short‑term metrics for new reward campaigns, enabling earlier prediction of next‑day retention and shortening experiment cycles despite delayed T+1 data.
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