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 Kinoti Great 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 recomm

• #technology
• #engineering
• #infrastructure
• #machine-learning