PPL
Sarah Xu
Papers (3)
Persona Conditioning of Brand Recommendations in Retrieval-Augmented Commercial Chat: A Prominence-Stratified Cross-Provider AuditParaphrase Brittleness in Production Retrieval-Augmented Commercial Recommendation: Reproducibility Below the Rerun-Stability BaselineProminence-Stratified Failure Modes in Retrieval-Augmented Commercial Recommendation: A 37,000-Run Audit