Chen Luo

2025

Language Model Alignment for Conversational Shopping at Amazon.

Chen Luo|Dimitri Papadimitriou|Hariharan Muralidharan|Dhineshkumar Ramasubbu|Aakash Kolekar|Wenju Xu|Cong Xu|Anirudh Srinivasan|Mukesh Jain|Qi He

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

Examples as the Prompt: A Scalable Approach for Efficient LLM Adaptation in E-Commerce.

Jingying Zeng|Zhenwei Dai|Hui Liu|Samarth Varshney|Zhiji Liu|Chen Luo|Zhen Li|Qi He|Xianfeng Tang

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

Large Language Model for E-Commerce Workshop.

Haoyu Han|Xianfeng Tang|Jing Huang|Monica Xiao Cheng|Omar Alonso|Hanqing Lu|Zhen Li|Chen Luo|Dawei Yin|Jiliang Tang

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

2024

Planning Ahead in Generative Retrieval: Guiding Autoregressive Generation through Simultaneous Decoding.

Hansi Zeng|Chen Luo|Hamed Zamani

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

The 3rd International Workshop on Interactive and Scalable Information Retrieval Methods for eCommerce (ISIR-eCom 2024).

Vachik S. Dave|Linsey Pang|Xiquan Cui|Chen Luo|Hamed Zamani|Lingfei Wu|George Karypis

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024

Mitigating Exploitation Bias in Learning to Rank with an Uncertainty-aware Empirical Bayes Approach.

Tao Yang|Cuize Han|Chen Luo|Parth Gupta|Jeff M. Phillips|Qingyao Ai

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

Scalable and Effective Generative Information Retrieval.

Hansi Zeng|Chen Luo|Bowen Jin|Sheikh Muhammad Sarwar|Tianxin Wei|Hamed Zamani

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

Bi-CAT: Improving Robustness of LLM-based Text Rankers to Conditional Distribution Shifts.

Sriram Srinivasan|Stephen Sheng|Rishabh Deshmukh|Chen Luo|Yesh Dattatreya|Subhajit Sanyal|S. V. N. Vishwanathan

Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

Implicit Query Parsing at Amazon Product Search.

Chen Luo|Rahul Goutam|Haiyang Zhang|Chao Zhang|Yangqiu Song|Bing Yin

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

Can Clicks Be Both Labels and Features?: Unbiased Behavior Feature Collection and Uncertainty-aware Learning to Rank.

Tao Yang|Chen Luo|Hanqing Lu|Parth Gupta|Bing Yin|Qingyao Ai

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

Massive Text Normalization via an Efficient Randomized Algorithm.

Nan Jiang|Chen Luo|Vihan Lakshman|Yesh Dattatreya|Yexiang Xue

WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

ROSE: Robust Caches for Amazon Product Search.

Chen Luo|Vihan Lakshman|Anshumali Shrivastava|Tianyu Cao|Sreyashi Nag|Rahul Goutam|Hanqing Lu|Yiwei Song|Bing Yin

Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

2021

Structural Temporal Graph Neural Networks for Anomaly Detection in Dynamic Graphs.

Lei Cai|Zhengzhang Chen|Chen Luo|Jiaping Gui|Jingchao Ni|Ding Li|Haifeng Chen

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

QUEACO: Borrowing Treasures from Weakly-labeled Behavior Data for Query Attribute Value Extraction.

Danqing Zhang|Zheng Li|Tianyu Cao|Chen Luo|Tony Wu|Hanqing Lu|Yiwei Song|Bing Yin|Tuo Zhao|Qiang Yang

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2016

Telco User Activity Level Prediction with Massive Mobile Broadband Data.

Chen Luo|Jia Zeng|Mingxuan Yuan|Wenyuan Dai|Qiang Yang

ACM Transactions on Intelligent Systems and Technology (TIST) 2016 Volume 7 Issue 4

City-Scale Localization with Telco Big Data.

Fangzhou Zhu|Chen Luo|Mingxuan Yuan|Yijian Zhu|Zhengqing Zhang|Tao Gu|Ke Deng|Weixiong Rao|Jia Zeng

Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016