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A glowing blue and purple flowchart illustrating an advertising system, from ad request to user behavior and result feedback. It features steps like 'Prediction Stage' with pCTR/pCVR metrics, 'Bidding Decision', 'Ad Auction Participation', and 'User Behavior'.

A glowing blue and purple flowchart illustrating an advertising system, from ad request to user behavior and result feedback. It features steps like 'Prediction Stage' with pCTR/pCVR metrics, 'Bidding Decision', 'Ad Auction Participation', and 'User Behavior'.

生成一个流程图 用户搜索 ——→ 广告系统收到请求 ↓ 【模型预测阶段】 预测 pCTR(会不会点) 预测 pCVR(会不会转化) ↓ 【出价决策阶段】 根据 pCVR 和 CPA 目标计算最优出价 ↓ 【参与广告拍卖】 结果由 AdRank 决定是否赢得展示 ↓ 【用户行为阶段】 用户是否点击?是否提交申请单? ↓ 【结果回传】 回传点击、转化事件给模型用于训练 ↓ 【模型更新】 CTR/CVR/出价模型变更 → 投放更精准 See more