ResearchBenchmarksSearch Recommendation on Douyin Search Inner Search one month (online A/B test)Search Recommendation on Douyin Search Inner Search one month (online A/B test)Follow-0.5492Change Query RateMDL-0.57666-0.56293-0.5492-0.53547Feb 7, 2026Evaluation resultsMethodMethodLinksChange Query RateLT30MDLScenario=Inner SearchScenario=Inner Search2026.02-0.54920.063