collaborators

6 papers

cs.IR2025

ORBIT -- Open Recommendation Benchmark for Reproducible Research with Hidden Tests

Jingyuan He, Jiongnan Liu, Vishan Vishesh Oberoi +7

Recommender systems are among the most impactful AI applications, interacting with billions of users every day, guiding them to relevant products, services, or information tailored…

cs.IR2025

What Generative Search Engines Like and How to Optimize Web Content Cooperatively

Yujiang Wu, Shanshan Zhong, Yubin Kim +1

By employing large language models (LLMs) to retrieve documents and generate natural language responses, Generative Engines, such as Google AI overview and ChatGPT, provide signifi…

cs.CL2025

Semi-structured LLM Reasoners Can Be Rigorously Audited

Jixuan Leng, Cassandra A. Cohen, Zhixian Zhang +2

Although Large Language Models (LLMs) have become capable reasoners, the problem of faithfulness persists: their reasoning can contain errors and omissions that are difficult to de…

cs.AI2025

Generate, Not Recommend: Personalized Multimodal Content Generation

Jiongnan Liu, Zhicheng Dou, Ning Hu +1

To address the challenge of information overload from massive web contents, recommender systems are widely applied to retrieve and present personalized results for users. However,…

cs.AI2025

Respond Beyond Language: A Benchmark for Video Generation in Response to Realistic User Intents

Shuting Wang, Yunqi Liu, Zixin Yang +3

Querying generative AI models, e.g., large language models (LLMs), has become a prevalent method for information acquisition. However, existing query-answer datasets primarily focu…

cs.LG2025

Harness Local Rewards for Global Benefits: Effective Text-to-Video Generation Alignment with Patch-level Reward Models

Shuting Wang, Haihong Tang, Zhicheng Dou +1

The emergence of diffusion models (DMs) has significantly improved the quality of text-to-video generation models (VGMs). However, current VGM optimization primarily emphasizes the…