Hengqi Liu

Papers on Lattice

Total citations

Topics

Publication activitypapers/week, last 8 weeks

Research focus

Data Curation & Synthetic Data (1)Recommendation & Information Retrieval (1)Tool Use & Agents (1)

Frequent co-authors

Ziyuan Liu (1)Zichuan Wang (1)Yang Qin (1)Jiachen Liang (1)

Papers (1)

Sep 3, 2026

Ziyuan Liu +82w ago

Iris: Climbing to the Search Frontier

Frontier search agent performance does not require complex multi-agent swarms or test-time search verifiers: a single ReAct policy trained via iterative SFT-RL climbing hits 56.4% on Humanity's Last Exam and 92.9% on DeepSearchQA.

Ziyuan Liu, Hengqi Liu, Zichuan Wang +6

Data Curation & Synthetic Data Recommendation & Information Retrieval Tool Use & Agents