Personalization without user identity
How Airbnb uses proximity signals to personalize without relying on individual user history.By: Wei Jiang, Bin Xu, Bharathi Thangamani, Weiwei Guo, Sundar Srinivasavaradhan, Tracy Yu, Huiji Gao, Swapnil Ghike, Michael KinotiGreat personalization starts with knowing your user. But what happens when the user is a stranger?A significant share of Airbnb users arrive without a login, without a recent search history, or without any prior booking — especially those landing from paid advertising or organic search. For these users, the ML models that power search ranking, destination recommendations, and marketing landing pages face the cold-start problem: there is little to no user signal available…
5 часов назад @ medium.com
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