activity
20242026
collaborators

7 papers

cs.CL2026

No One Size Fits All: QueryBandits for Hallucination Mitigation

Nicole Cho, William Watson, Alec Koppel +2

Advanced reasoning capabilities in Large Language Models (LLMs) have led to more frequent hallucinations; yet most mitigation work focuses on open-source models for post-hoc detect…

cs.CL2026

What Makes a Good Query? Measuring the Impact of Human-Confusing Linguistic Features on LLM Performance

William Watson, Nicole Cho, Sumitra Ganesh +1

Large Language Model (LLM) hallucinations are usually treated as defects of the model or its decoding strategy. Drawing on classical linguistics, we argue that a query's form can a…

cs.AI2026

TASER: Table Agents for Schema-guided Extraction and Recommendation

Nicole Cho, Kirsty Fielding, William Watson +2

Real-world financial filings report critical information about an entity's investment holdings, essential for assessing that entity's risk, profitability, and relationship profile.…

cs.CL2025

QueryBandits for Hallucination Mitigation: Exploiting Semantic Features for No-Regret Rewriting

Nicole Cho, William Watson, Alec Koppel +2

Advanced reasoning capabilities in Large Language Models (LLMs) have caused higher hallucination prevalence; yet most mitigation work focuses on after-the-fact filtering rather tha…

cs.CL2025

MultiQ&A: An Analysis in Measuring Robustness via Automated Crowdsourcing of Question Perturbations and Answers

Nicole Cho, William Watson

One critical challenge in the institutional adoption journey of Large Language Models (LLMs) stems from their propensity to hallucinate in generated responses. To address this, we…

cs.LG2024

Is There No Such Thing as a Bad Question? H4R: HalluciBot For Ratiocination, Rewriting, Ranking, and Routing

William Watson, Nicole Cho, Nishan Srishankar

Hallucination continues to be one of the most critical challenges in the institutional adoption journey of Large Language Models (LLMs). While prior studies have primarily focused…