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1. ecommerce-consecutive-failed-delivery-analysisecommerce-consecutive-failed-delivery-analysisPublic

   Risk analytics project detecting consecutive doorstep rejection patterns in e-commerce delivery. Built on ODPS SQL (MaxCompute). Covers buyer behavioral cohort segmentation, trailing window analysi…

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2. ecommerce-weighted-sr-buyer-segmentationecommerce-weighted-sr-buyer-segmentationPublic

   Risk analytics project improving e-commerce buyer COD risk segmentation using a recency-weighted success rate model. Built on ODPS SQL (MaxCompute). Covers tiered scoring, behavioral shift detectio…

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3. ecommerce-logistics-commission-abuse-detectionecommerce-logistics-commission-abuse-detectionPublic

   Risk analytics framework for detecting and mitigating third-party logistics commission abuse in e-commerce. Covers split-packaging detection, economic arbitrage analysis, device-level retention ana…

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4. ecommerce-reseller-subsidy-abuse-detectionecommerce-reseller-subsidy-abuse-detectionPublic

   Risk analytics framework for detecting and preventing reseller subsidy abuse in e-commerce campaigns. Covers Pareto analysis, basket analysis, multi-account network graph detection, time series ana…

5. ecommerce-duplicate-order-detection-cxecommerce-duplicate-order-detection-cxPublic

   Real-time duplicate order detection framework for e-commerce CX teams. Built in response to a checkout flow change causing unintentional repeat orders. Covers self-join detection logic, hourly refr…

6. ecommerce-delivery-timelag-risk-strategyecommerce-delivery-timelag-risk-strategyPublic

   Risk analytics framework measuring delivery time lag from Transit to Shipment to terminal outcome across e-commerce markets. Identifies where failed and successful deliveries concentrate across the…