Generalized User Representations for Large-Scale Recommendations and Downstream Tasks. - Ghazal Fazelnia; Sanket Gupta; Claire Keum; Mark Koh; Timothy Christopher Heath; Guillermo Carrasco Hernández; Stephen Xie; Nandini Singh; Ian Anderson 003; Maya Hristakeva; Petter Pehrson Skidén; Mounia Lalmas (RecSys, 2025)