collaborators

5 papers

cs.AI2026

Evaluating Legal Reasoning Traces with Legal Issue Tree Rubrics

Jinu Lee, Kyoung-Woon On, Simeng Han +2

Evaluating the quality of LLM-generated reasoning traces in expert domains (e.g., law) is essential for ensuring credibility and explainability, yet remains challenging due to the…

cs.AI2026

Advancing AI Research Assistants with Expert-Involved Learning

Tianyu Liu, Simeng Han, Hanchen Wang +27

Large language models (LLMs) and large multimodal models (LMMs) promise to accelerate biomedical discovery, yet their reliability remains unclear. We introduce ARIEL (AI Research A…

cs.CL2025

Measuring what Matters: Construct Validity in Large Language Model Benchmarks

Andrew M. Bean, Ryan Othniel Kearns, Angelika Romanou +39

Evaluating large language models (LLMs) is crucial for both assessing their capabilities and identifying safety or robustness issues prior to deployment. Reliably measuring abstrac…

cs.CL2025

ATEB: Evaluating and Improving Advanced NLP Tasks for Text Embedding Models

Simeng Han, Frank Palma Gomez, Tu Vu +6

Traditional text embedding benchmarks primarily evaluate embedding models' capabilities to capture semantic similarity. However, more advanced NLP tasks require a deeper understand…

cs.CL2025

HYBRIDMIND: Meta Selection of Natural Language and Symbolic Language for Enhanced LLM Reasoning

Simeng Han, Tianyu Liu, Chuhan Li +2

LLMs approach logical and mathematical reasoning through natural or symbolic languages. While natural language offers human-accessible flexibility but suffers from ambiguity, symbo…