activity
20242026
collaborators

5 papers

cs.CL2026

Routing Subspaces: Auditing Evaluation-to-Deployment Mismatch in Fine-Tuned Language Models

Phongsakon Mark Konrad, Toygar Tanyel, Serkan Ayvaz

Safety evaluations often assume that behavior observed during testing reflects behavior in ordinary use, but fine-tuning can break this assumption. A checkpoint can appear fixed un…

cs.AI2026

The Open-Box Fallacy: Why AI Deployment Needs a Calibrated Verification Regime

Phongsakon Mark Konrad, Tim Lukas Adam, Ane Cathrine Holst Merrild +4

AI deployment in sensitive domains such as health care, credit, employment, and criminal justice is often treated as unsafe to authorize until model internals can be explained. Thi…

cs.CR2026

Acceptance Cards:A Four-Diagnostic Standard for Safe Fine-Tuning Defense Claims

Phongsakon Mark Konrad, Toygar Tanyel, Serkan Ayvaz

Safe fine-tuning defenses are often endorsed on the basis of a held-out gap reduction, but the same reduction can come from sampling noise, subject artifacts, capability loss, or a…

cs.AI2025

Beyond Known Reality: Exploiting Counterfactual Explanations for Medical Research

Toygar Tanyel, Serkan Ayvaz, Bilgin Keserci

The field of explainability in artificial intelligence (AI) has witnessed a growing number of studies and increasing scholarly interest. However, the lack of human-friendly and ind…

eess.SP2024

Interpretable ECG Analysis for Myocardial Infarction Detection through Counterfactuals

Toygar Tanyel, Sezgin Atmaca, Kaan Gökçe +4

In the evolving landscape of ECG signal analysis, the challenge of limited transparency in machine learning models remains a significant barrier to their effective integration into…