Hassam Chundrigar

Search engineer at Daraz, a South Asian e-commerce platform owned by the Alibaba Group. Published a practical guide to computing NDCG in production e-commerce search using purchase/cart/click relevance weights.

Articles

• How we Compute NDCG in Daraz E-Commerce — NDCG implementation with purchase (5), cart (2), click (1) relevance weights

Key Contributions

• Adapted NDCG for e-commerce by using user funnel actions as relevance grades
• Top-10 only evaluation; clicked-only instances; A/B test ready implementation
• Python UDFs + SQL aggregation pipeline

Related

• NDCG · Search Evaluation · Click Signals · Judgment Lists