Yi Liu

Deploying a conversational shopping agent at production scale remains challenging despite rapid advances in large language models. Unlike research prototypes, production systems must satisfy strict requirements on accuracy, latency, reliability, and cost while serving millions of customers. We sh...

Modern e-commerce recommendation systems aim to improve customer experience by ranking content on search results page (SRP). However, displaying content is not always beneficial for customers across all contexts; even top-ranked content can be irrelevant, misleading, or redundant in certain scena...