activity
20222026
most citedDistributionally Robust Survival Analysis: A Novel Fairness Loss Without Demographics

3 citations · 8 across the 14 of their papers we have counts for

collaborators

14 papers

cs.AI2026

What LLM Agents Say When No One Is Watching: Social Structure and Latent Objective Emergence in Multi-Agent Debates

Arman Ghaffarizadeh, Danyal Mohaddes, Aliakbar Izadkhah +1

LLM agents will increasingly act in socially structured settings where role, audience, and relational context can shape what is advantageous or costly to say. We study whether such…

cs.CL2026

Text Knows What, Tables Know When: Clinical Timeline Reconstruction via Retrieval-Augmented Multimodal Alignment

Sayantan Kumar, Shahriar Noroozizadeh, Juyong Kim +1

Reconstructing precise clinical timelines is essential for modeling patient trajectories and forecasting risk in complex, heterogeneous conditions like sepsis. While unstructured c…

cs.LG2026

SurvHTE-Bench: A Benchmark for Heterogeneous Treatment Effect Estimation in Survival Analysis

Shahriar Noroozizadeh, Xiaobin Shen, Jeremy C. Weiss +1

Estimating heterogeneous treatment effects (HTEs) from right-censored survival data is critical in high-stakes applications such as precision medicine and individualized policy-mak…

cs.LG2025

Reflections from Research Roundtables at the Conference on Health, Inference, and Learning (CHIL) 2025

Emily Alsentzer, Marie-Laure Charpignon, Bill Chen +90

The 6th Annual Conference on Health, Inference, and Learning (CHIL 2025), hosted by the Association for Health Learning and Inference (AHLI), was held in person on June 25-27, 2025…

cs.LG2025

Deep sequence models tend to memorize geometrically; it is unclear why

Shahriar Noroozizadeh, Vaishnavh Nagarajan, Elan Rosenfeld +1

Deep sequence models are said to store atomic facts predominantly in the form of associative memory: a brute-force lookup of co-occurring entities. We identify a dramatically diffe…

cs.AI2025

The Impact of Medication Non-adherence on Adverse Outcomes: Evidence from Schizophrenia Patients via Survival Analysis

Shahriar Noroozizadeh, Pim Welle, Jeremy C. Weiss +1

This study quantifies the association between non-adherence to antipsychotic medications and adverse outcomes in individuals with schizophrenia. We frame the problem using survival…