preprints

LLMs can construct powerful representations and streamline sample-efficient supervised learning

LLMs can construct powerful representations and streamline sample-efficient supervised learning

I. Demirel, L. Shi, Z. Hussain, D. Sontag

arXiv, 2026

Paper Slides Website
Uncovering Bias Mechanisms in Observational Studies

Uncovering Bias Mechanisms in Observational Studies

I. Demirel*, Z. Hussain*, P.D. Bartolomeis, D. Sontag

arXiv, 2025 — *equal contribution

Paper Code

conference

Prediction-powered Causal Inferences

Prediction-powered Causal Inferences

R. Cadei, I. Demirel*, P.D. Bartolomeis*, L. Lindorfer, S. Cremer, C. Schmid, F. Locatello

NeurIPS, 2025 — *equal contribution

Paper Code
Using LLMs for Late Multimodal Sensor Fusion for Activity Recognition

Using LLMs for Late Multimodal Sensor Fusion for Activity Recognition

I. Demirel, K. Thakkar, B. Elizalde, M. Espi Marques, A. Sarathy, Y. Bai, U. Srinivas, J. Xu, S. Ren, J. Narain

NeurIPS, Time Series for Health Workshop, 2025 — Work done during a summer internship at Apple.

Paper
Scalable Universal T-cell receptor embeddings from Adaptive Immune Repertoires

Scalable Universal T-cell receptor embeddings from Adaptive Immune Repertoires

P. Chapfuwa, I. Demirel, L. Pisani, J. Zazo, E. Portugaly, J. Zahid, J. Greissl

ICLR, 2025 — Work done during a summer internship at Microsoft Research.

Paper
Prediction-powered Generalization of Causal Inferences

Prediction-powered Generalization of Causal Inferences

I. Demirel, A. Alaa, A. Philippakis, D. Sontag

ICML, 2024

Paper Code Slides
Benchmarking Observational Studies with Experimental Data under Right-Censoring

Benchmarking Observational Studies with Experimental Data under Right-Censoring

I. Demirel, E.D. Brouwer, Z. Hussain, M. Oberst, A. Philippakis, D. Sontag

AISTATS, 2024

Paper Code Slides
Falsification of Internal and External Validity in Observational Studies via Conditional Moment Restrictions

Falsification of Internal and External Validity in Observational Studies via Conditional Moment Restrictions

Z. Hussain*, M.C. Shih*, M. Oberst, I. Demirel, D. Sontag

AISTATS, 2023 — *equal contribution

Paper Code Slides
ESCADA: Efficient Safety and Context Aware Dose Allocation for Precision Medicine

ESCADA: Efficient Safety and Context Aware Dose Allocation for Precision Medicine

I. Demirel, A.A. Celik, C. Tekin

NeurIPS, 2022

Paper Code Slides Website
Combinatorial Gaussian Process Bandits with Probabilistically Triggered Arms

Combinatorial Gaussian Process Bandits with Probabilistically Triggered Arms

I. Demirel, C. Tekin

AISTATS, 2021

Paper
Accuracy limits of distance estimation in visible light systems with RGB LEDs

Accuracy limits of distance estimation in visible light systems with RGB LEDs

I. Demirel, S. Gezici

IEEE PIMRC, 2019

Paper
Association of Eicosanoid Metabolites With Cardiac Structure and Function

Association of Eicosanoid Metabolites With Cardiac Structure and Function

A. Roshandelpoor, J. Ma, I. Demirel, E. Lau, M. Alotaibi, M.F. Ramirez Fernandez Del Castillo, J. Parekh, A. Pan, N. Owunna, V. Varadarajan, M. Jain, S. Cheng, J.A.C.A. Lima, J.E. Ho

AHA Scientific Sessions, Circulation, 2023

Paper

journal

Federated Multi-Armed Bandits Under Byzantine Attacks

Federated Multi-Armed Bandits Under Byzantine Attacks

A. Saday, I. Demirel, Y. Yildirim, C. Tekin

IEEE Transactions on Artificial Intelligence, 2025

Paper Code
Distance and Position Estimation in Visible Light Systems with RGB LEDs

Distance and Position Estimation in Visible Light Systems with RGB LEDs

I. Demirel, S. Gezici

Digital Signal Processing, Elsevier, 2022

Paper