Alimama Tech

Mar 2, 2022 · Artificial Intelligence

Co-Action Network: A Feature Interaction Model for Click‑Through Rate Prediction

The Co‑Action Network replaces costly Cartesian‑product feature crossing with lightweight micro‑net‑based interaction units that share parameters across feature pairs, delivering comparable CTR prediction accuracy while cutting parameters to one‑tenth and boosting online latency, as proven in large‑scale advertising deployments.