Jiajing Xu

23 papers A* 2A 8Journal 11Unranked 2
YearRankTypeTitle / Venue / Authors
2025 A conf
Autoregressive Generative Retrieval for Industrial-Scale Recommendations at Pinterest.
CIKM
Prabhat Agarwal, Anirudhan Badrinath, Laksh Bhasin, Jaewon Yang, Jiajing Xu, Charles Rosenberg
2025 A conf
Deep Reinforcement Learning for Ranking Utility Tuning in the Ad Recommender System at Pinterest.
RecSys
Xiao Yang, Mehdi Ayed, Longyu Zhao, Fan Zhou, Yuchen Shen, Abe Engle, Jinfeng Zhuang, Ling Leng, Jiajing Xu, Charles Rosenberg, Prathibha Deshikachar
2025 J jnl
Deep Reinforcement Learning for Ranking Utility Tuning in the Ad Recommender System at Pinterest.
CoRR
Xiao Yang, Mehdi Ben Ayed, Longyu Zhao, Fan Zhou, Yuchen Shen, Abe Engle, Jinfeng Zhuang, Ling Leng, Jiajing Xu, Charles Rosenberg, Prathibha Deshikachar
2025 — conf
OmniSage: Large Scale, Multi-Entity Heterogeneous Graph Representation Learning.
KDD (2)
Anirudhan Badrinath, Alex Yang, Kousik Rajesh, Prabhat Agarwal, Jaewon Yang, Haoyu Chen, Jiajing Xu, Charles Rosenberg
2025 J jnl
OmniSage: Large Scale, Multi-Entity Heterogeneous Graph Representation Learning.
CoRR
Anirudhan Badrinath, Alex Yang, Kousik Rajesh, Prabhat Agarwal, Jaewon Yang, Haoyu Chen, Jiajing Xu, Charles Rosenberg
2025 A conf
PinFM: Foundation Model for User Activity Sequences at a Billion-scale Visual Discovery Platform.
RecSys
Xiangyi Chen, Kousik Rajesh, Matthew Lawhon, Zelun Wang, Hanyu Li, Haomiao Li, Saurabh Vishwas Joshi, Pong Eksombatchai, Jaewon Yang, Yi-Ping Hsu, Jiajing Xu, Charles Rosenberg
2025 J jnl
PinFM: Foundation Model for User Activity Sequences at a Billion-scale Visual Discovery Platform.
CoRR
Xiangyi Chen, Kousik Rajesh, Matthew Lawhon, Zelun Wang, Hanyu Li, Haomiao Li, Saurabh Vishwas Joshi, Pong Eksombatchai, Jaewon Yang, Yi-Ping Hsu, Jiajing Xu, Charles Rosenberg
2025 J jnl
PinRec: Outcome-Conditioned, Multi-Token Generative Retrieval for Industry-Scale Recommendation Systems.
CoRR
Anirudhan Badrinath, Prabhat Agarwal, Laksh Bhasin, Jaewon Yang, Jiajing Xu, Charles Rosenberg
2025 J jnl
Taming the One-Epoch Phenomenon in Online Recommendation System by Two-stage Contrastive ID Pre-training.
CoRR
Yi-Ping Hsu, Po-Wei Wang, Chantat Eksombatchai, Jiajing Xu
2025 A conf
TransAct V2: Lifelong User Action Sequence Modeling on Pinterest Recommendation.
CIKM
Xue Xia, Saurabh Vishwas Joshi, Kousik Rajesh, Kangnan Li, Yangyi Lu, Nikil Pancha, Dhruvil Deven Badani, Jiajing Xu, Pong Eksombatchai
2025 J jnl
TransAct V2: Lifelong User Action Sequence Modeling on Pinterest Recommendation.
CoRR
Xue Xia, Saurabh Vishwas Joshi, Kousik Rajesh, Kangnan Li, Yangyi Lu, Nikil Pancha, Dhruvil Deven Badani, Jiajing Xu, Pong Eksombatchai
2025 J jnl
Unified Preference Optimization: Language Model Alignment Beyond the Preference Frontier.
Trans. Mach. Learn. Res.
Anirudhan Badrinath, Prabhat Agarwal, Jiajing Xu
2024 A conf
Bootstrapping Conditional Retrieval for User-to-Item Recommendations.
RecSys
Hongtao Lin, Haoyu Chen, Jaewon Yang, Jiajing Xu
2024 J jnl
Hybrid Preference Optimization: Augmenting Direct Preference Optimization with Auxiliary Objectives.
CoRR
Anirudhan Badrinath, Prabhat Agarwal, Jiajing Xu
2024 — conf
OmniSearchSage: Multi-Task Multi-Entity Embeddings for Pinterest Search.
WWW (Companion Volume)
Prabhat Agarwal, Minhazul Islam SK, Nikil Pancha, Kurchi Subhra Hazra, Jiajing Xu, Chuck Rosenberg
2024 J jnl
OmniSearchSage: Multi-Task Multi-Entity Embeddings for Pinterest Search.
CoRR
Prabhat Agarwal, Minhazul Islam SK, Nikil Pancha, Kurchi Subhra Hazra, Jiajing Xu, Chuck Rosenberg
2024 A conf
Privacy Preserving Conversion Modeling in Data Clean Room.
RecSys
Kungang Li, Xiangyi Chen, Ling Leng, Jiajing Xu, Jiankai Sun, Behnam Rezaei
2024 A conf
Taming the One-Epoch Phenomenon in Online Recommendation System by Two-stage Contrastive ID Pre-training.
RecSys
Yi-Ping Hsu, Po-Wei Wang, Chantat Eksombatchai, Jiajing Xu
2022 A conf
Rethinking Personalized Ranking at Pinterest: An End-to-End Approach.
RecSys
Jiajing Xu, Andrew Zhai, Charles Rosenberg
2022 J jnl
Rethinking Personalized Ranking at Pinterest: An End-to-End Approach.
CoRR
Jiajing Xu, Andrew Zhai, Charles Rosenberg
2020 A* conf
Evolution of a Web-Scale Near Duplicate Image Detection System.
WWW
Andrey Gusev, Jiajing Xu
2015 A* conf
Visual Search at Pinterest.
KDD
Yushi Jing, David C. Liu, Dmitry Kislyuk, Andrew Zhai, Jiajing Xu, Jeff Donahue, Sarah Tavel
2015 J jnl
Visual Search at Pinterest.
CoRR
Yushi Jing, David C. Liu, Dmitry Kislyuk, Andrew Zhai, Jiajing Xu, Jeff Donahue, Sarah Tavel