collaborators

6 papers

cs.CL2026

Deep Reasoning in General Purpose Agents via Structured Meta-Cognition

Dean Light, Michael Theologitis, Kshitish Ghate +7

Humans intuitively solve complex problems by flexibly shifting among reasoning modes: they plan, execute, revise intermediate goals, resolve ambiguity through associative judgment,…

cs.LG2026

Synthetic Mixed Training: Scaling Parametric Knowledge Acquisition Beyond RAG

Seungju Han, Konwoo Kim, Chanwoo Park +5

Synthetic data augmentation helps language models learn new knowledge in data-constrained domains. However, naively scaling existing synthetic data methods by training on more synt…

cs.CL2026

FDARxBench: Benchmarking Regulatory and Clinical Reasoning on FDA Generic Drug Assessment

Betty Xiong, Jillian Fisher, Benjamin Newman +5

We introduce an expert curated, real-world benchmark for evaluating document-grounded question-answering (QA) motivated by generic drug assessment, using the U.S. Food and Drug Adm…

cs.CL2026

Spectrum Tuning: Post-Training for Distributional Coverage and In-Context Steerability

Taylor Sorensen, Benjamin Newman, Jared Moore +5

Language model post-training has enhanced instruction-following and performance on many downstream tasks, but also comes with an often-overlooked cost on tasks with many possible v…

cs.AI2026

Verifying the Verifiers: Unveiling Pitfalls and Potentials in Fact Verifiers

Wooseok Seo, Seungju Han, Jaehun Jung +6

Fact verification is essential for ensuring the reliability of LLM applications. In this study, we evaluate 12 pre-trained LLMs and one specialized fact-verifier, including frontie…

cs.CL2025

The Curious Case of Factuality Finetuning: Models' Internal Beliefs Can Improve Factuality

Benjamin Newman, Abhilasha Ravichander, Jaehun Jung +5

Language models are prone to hallucination - generating text that is factually incorrect. Finetuning models on high-quality factual information can potentially reduce hallucination…