collaborators

11 papers

cs.IR2026

The Case Against Generation for Retrieval: Discriminative Language Models as Effective Retrievers

Zhe Xu, Prachi Agrawal, Kavosh Asadi +17

Large Language Models (LLMs) have emerged as powerful assets for recommender systems. However, deploying them as generative recommenders or zero-shot rankers at web-scale remains b…

cs.IR2026

Tokenizing Numerical and Embedding Features for LLM RecSys

Zhe Xu, Ankit Peshin, Chiyu Zhang +7

Large language models (LLMs) are increasingly used as backbone architectures for recommender systems because of their strong sequence modeling and representation learning capabilit…

cs.CL2026

Beyond Literal Translation: Evaluating Cultural Effectiveness in Social Media UGC

Linjuan Wu, Ruiqi Zhang, Xinze Lyu +7

Social media platforms enable large-scale cross-lingual communication, but translating user-generated content (UGC) remains challenging due to its informal style, cultural referenc…

cs.CV2026

Vision-R1: Incentivizing Reasoning Capability in Multimodal Large Language Models

Wenxuan Huang, Bohan Jia, Zijie Zhai +7

DeepSeek-R1-Zero has successfully demonstrated the emergence of reasoning capabilities in LLMs purely through Reinforcement Learning (RL). Inspired by this breakthrough, we explore…

cs.AI2025

RedOne 2.0: Rethinking Domain-specific LLM Post-Training in Social Networking Services

Fei Zhao, Chonggang Lu, Haofu Qian +9

As a key medium for human interaction and information exchange, social networking services (SNS) pose unique challenges for large language models (LLMs): heterogeneous workloads, f…

cs.LG2025

RedOne: Revealing Domain-specific LLM Post-Training in Social Networking Services

Fei Zhao, Chonggang Lu, Yue Wang +22

As a primary medium for modern information dissemination, social networking services (SNS) have experienced rapid growth, which has proposed significant challenges for platform con…