collaborators

7 papers

cs.IR2026

AutoRelAnnotator: Calibrated Model Cascades for Cost-Efficient Relevance Evaluation in Sponsored Search

Md Omar Faruk Rokon, Shasvat Desai, Hong Yao +1

How can we generate high-quality relevance annotations at scale without the cost and delays of human labeling? Relevance annotations are the backbone of search ranking systems whic…

cs.IR2026

Macro Graph of Experts for Billion-Scale Multi-Task Recommendation

Hongyu Yao, Zijin Hong, Hao Chen +6

Graph-based multi-task learning at billion-scale presents a significant challenge, as different tasks correspond to distinct billion-scale graphs. Traditional multi-task learning m…

cs.IR2026

Unified Multi-Task Relevance Modeling for E-Commerce: Comparing Task Routing Architectures Across LLMs and Cross-Encoders

Md Omar Faruk Rokon, Jhalak Nilesh Acharya, Shasvat Desai +2

How can we build a single relevance model that handles six different entity pair relationship types in e commerce from query product matching to product type similarity when each t…

cs.IR2026

Scaling Dense Retrieval with LLM-Annotated Training Data: Structured Mining and Progressive Curriculum for E-Commerce Sponsored Search

Md Omar Faruk Rokon, Shasvat Desai, Jhalak Nilesh Acharya +9

How can we generate high-quality training data for dense retrieval models at production scale, without relying on click signals or manual annotation? This question is critical for…

cs.IR2026

INSPIRE: Intent-aware Neural Sponsored Product Retrieval for E-commerce

Shasvat Desai, Hong Yao, Utkarsh Porwal +1

Walmart holds the largest share of the U.S. ecommerce grocery market, where food and beverage categories generate some of the highest search traffic and, consequently, drive a subs…

cs.CL2026

From `May' to `Is': Certainty Distortion in Language Model Rewriting

Catarina G Belem, Shang Wu, Hongyu Yao +3

Humans increasingly turn to Language Models (LMs) in ways that shape beliefs and drive decisions, including discussing, rewriting, and summarizing information from scientific artic…