E-commerce search requires distinguishing products that are merely related to a query from those that directly satisfy the user's shopping intent. We augment query-product pairs with structured LLM-generated query and product attributes and …
Alphanumeric identifiers such as manufacturer part numbers (MPNs), SKUs, and model codes are ubiquitous in e-commerce catalogs and search. These identifiers are sparse, non-linguistic, and highly sensitive to tokenization and typographical variation, …
E-commerce information retrieval (IR) systems struggle to simultaneously achieve high accuracy in interpreting complex user queries and maintain efficient processing of vast product catalogs. The dual challenge lies in precisely matching user intent …
Invited talk at eBay discussing the evolution from search relevance to content safety in information retrieval and GenAI-based systems.
Keynote speaker at eBay Tech day discussing Efficient and Explainable Information Retrieval.