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#Feature Store

1 posts tagged "feature store"

AI System on Native AWS - Part 3 - 即時個人化推薦系統

推薦系統是最經典、商業價值最直接的 AI 系統。本篇用純 AWS 原生服務打造一套即時個人化推薦:Kinesis 收即時行為、SageMaker Feature Store 管線上/離線特徵、SageMaker Endpoint 做低延遲推論、DynamoDB 當候選集與快取,並用 API Gateway + Lambda 對外服務。全部用 CDK(CloudFormation)描述,深入談 online/offline 特徵一致性、召回+排序兩階段、冷啟動與 A/B 測試。

Jul 20, 2026 ·26 min aiengineering

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