Hongwei Shang

2026

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BERT-Based Cross-Encoder for Large-Scale Engagement Prediction and Re-ranking in Walmart Search Engine.

Shuyi Chen|Philip Fu|Ajit Puthenputhussery|Changsung Kang|Ming Sun|Cun Mu|Sachin Yadav|Hongwei Shang

Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

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Learning to Summarize for Search Relevance with Reinforcement Learning.

Jiafeng Guo|Hongwei Shang|Nitin Yadav|Shaoping Ma|Changsung Kang|Hongwei Shang|Jiafeng Guo|Nitin Yadav|Shaoping Ma

Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

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Scaling and Stabilizing Large-Scale Embedding-Based Retrieval.

Zhen Yang|Juexin Lin|Hongwei Shang|Kaihao Li|Feng Liu|Satya Chembolu|Xunfan Cai|Xinyi Liu|Cun Mu|Tony Lee|Ciya Liao

Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

2025

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Meta-Learning to Rank for Sparsely Supervised Queries.

Xuyang Wu|Ajit Puthenputhussery|Hongwei Shang|Changsung Kang|Yi Fang

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1

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Knowledge Distillation for Enhancing Walmart E-commerce Search Relevance Using Large Language Models.

Hongwei Shang|Nguyen Vo|Nitin Yadav|Tian Zhang|Ajit Puthenputhussery|Xunfan Cai|Shuyi Chen|Prijith Chandran|Changsung Kang

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025