Jingyi REN | Business Analyst — Data, IA & Product OperationsJingyi REN helps business and technical teams turn complex data into reliable decisions and operational AI products.https://www.jingyiren.xyz/Testing an AI product before productionhttps://www.jingyiren.xyz/writings/ai-product-quality-en/https://www.jingyiren.xyz/writings/ai-product-quality-en/A pragmatic approach to AI product quality: edge cases, test feedback, and shared prioritisation.Sun, 19 Jul 2026 00:00:00 GMTTester un produit IA avant son passage en productionhttps://www.jingyiren.xyz/writings/ai-product-quality/https://www.jingyiren.xyz/writings/ai-product-quality/Une approche pragmatique de la qualité produit IA : cas limites, retours de test et priorisation partagée.Sun, 19 Jul 2026 00:00:00 GMTWhat makes a customer review genuinely helpful?https://www.jingyiren.xyz/writings/review-helpfulness-en/https://www.jingyiren.xyz/writings/review-helpfulness-en/Beyond star ratings: using review helpfulness to support stronger e-commerce decisions.Sat, 18 Jul 2026 00:00:00 GMTCe qui rend un avis client réellement utilehttps://www.jingyiren.xyz/writings/review-helpfulness/https://www.jingyiren.xyz/writings/review-helpfulness/Au-delà de la note : une lecture de la helpfulness des avis pour orienter des décisions e-commerce plus pertinentes.Sat, 18 Jul 2026 00:00:00 GMT