activity
20242026
collaborators

14 papers

cs.CR2026

Model Confidence Under Answer-Preserving Attacks: An Informativeness-Manipulability Frontier

Reza Khanmohammadi, Ivan Brugere, Simerjot Kaur +3

Deployed vision-language systems often gate their answers on confidence, making confidence robustness relevant to oversight. We study confidence readouts under white-box, image-onl…

cs.CL2026

Confidence Estimation for Financial Vision-Language Models in Chart and Document Understanding

Reza Khanmohammadi, Simerjot Kaur, Charese H. Smiley +2

LVLMs are increasingly used to read financial charts, tables, and documents, where a single misread figure can move a decision and the most authoritative-looking answer is sometime…

cs.CV2026

WorldMemArena: Evaluating Multimodal Agent Memory Through Action-World Interaction

Chengzhi Liu, Yuzhe Yang, Sophia Xiao Pu +14

Multimodal large language models are increasingly deployed as long-horizon agents, where memory must do more than recall: it must track an evolving world, revise what has gone stal…

cs.CL2026

Grounded or Guessing? LVLM Confidence Estimation via Blind-Image Contrastive Ranking

Reza Khanmohammadi, Erfan Miahi, Simerjot Kaur +4

Large vision-language models suffer from visual ungroundedness: they can produce a fluent, confident, and even correct response driven entirely by language priors, with the image c…

cs.AI2026

Deep FinResearch Bench: Evaluating AI's Ability to Conduct Professional Financial Investment Research

Mirazul Haque, Antony Papadimitriou, Samuel Mensah +6

We introduce Deep FinResearch Bench, a practical and comprehensive evaluation framework for deep research (DR) agents in financial investment research. The benchmark assesses three…

cs.AI2026

Distill and Align Decomposition for Enhanced Claim Verification

Jabez Magomere, Elena Kochkina, Samuel Mensah +6

Complex claim verification requires decomposing sentences into verifiable subclaims, yet existing methods struggle to align decomposition quality with verification performance. We…