JourneyFormer: Encoding Airbnb Guest Journey with Sequence Modeling
Researchers have developed JourneyFormer, a sequence modeling solution for search ranking at Airbnb. The model addresses challenges in deploying sequence models in production, such as long and complex guest sequences with sparse booking labels. JourneyFormer has been successfully implemented within Airbnb's production environment, demonstrating improvements in offline ranking metrics and significant gains in key business metrics through A/B testing. AI
IMPACT This research demonstrates practical applications of sequence modeling in e-commerce search ranking, potentially influencing other platforms.