System Design · Airbnb · Hard
Build a ranking model for home search results. There is no free-form text query; an eligible candidate set is already provided. The main task is to order that candidate set, not to generate or prune the inventory. Constraints & Assumptions The input contains the current search session context and a list of candidate homes. Identify which context fields and historical user signals are allowable. No textual query exists to embed or match against listing descriptions as the…
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