ResearchBenchmarksAdvertising Recommendation on Chuanshanjia Ads (offline experiments)Advertising Recommendation on Chuanshanjia Ads (offline experiments)Follow-0.016Delta AUCUG-Sep-0.0264-0.0237-0.021-0.0183Feb 11, 2026Evaluation resultsMethodMethodLinksDelta AUCDelta LatencyUG-SepU:G ratio=1:1U:G ratio=1:12026.02-0.016-12.7UG-SepU:G ratio=5:3U:G ratio=5:32026.02-0.026—