collaborators

14 papers

cs.IR2026

Stellar: Scalable Multimodal Document Retrieval for Natural Language Queries

Yuxiang Guo, Zhonghao Hu, Yuren Mao +5

Multimodal document retrieval--selecting the most relevant multimodal document from a large corpus to answer a natural language query--plays an essential role in Retrieval-Augmente…

cs.AI2026

OpenHospital: A Thing-in-itself Arena for Evolving and Benchmarking LLM-based Collective Intelligence

Peigen Liu, Rui Ding, Yuren Mao +7

Large Language Model (LLM)-based Collective Intelligence (CI) presents a promising approach to overcoming the data wall and continuously boosting the capabilities of LLM agents. Ho…

cs.DB2026

DTBench: A Synthetic Benchmark for Document-to-Table Extraction

Yuxiang Guo, Zhuoran Du, Nan Tang +3

Document-to-table (Doc2Table) extraction derives structured tables from unstructured documents under a target schema, enabling reliable and verifiable SQL-based data analytics. Alt…

cs.DB2026

LASER: A Data-Centric Method for Low-Cost and Efficient SQL Rewriting based on SQL-GRPO

Jiahui Li, Tongwang Wu, Yuren Mao +3

Query rewriting, the process of transforming queries into semantically equivalent yet more efficient variants, is crucial for database optimization. Existing solutions predominantl…

cs.CL2026

Can We Predict Before Executing Machine Learning Agents?

Jingsheng Zheng, Jintian Zhang, Yujie Luo +5

Autonomous machine learning agents have revolutionized scientific discovery, yet they remain constrained by a Generate-Execute-Feedback paradigm. Previous approaches suffer from a…

cs.IR2026

Unbiased Multimodal Reranking for Long-Tail Short-Video Search

Wenyi Xu, Feiran Zhu, Songyang Li +6

Kuaishou serving hundreds of millions of searches daily, the quality of short-video search is paramount. However, it suffers from a severe Matthew effect on long-tail queries: spar…