Ctrip Technology

Jul 3, 2025 · Artificial Intelligence

How Ctrip’s Non‑User AB Testing Split Algorithm Boosts Experiment Efficiency

This article presents Ctrip’s novel non‑user AB testing split algorithm that combines optimized random sampling, greedy exchange, and graph‑based community detection to achieve balanced metric distribution, reduce user traffic cross‑over, and dramatically improve split efficiency in real‑world hotel marketing experiments.