activity
20192026
most citedObesity Prediction with EHR Data: A deep learning approach with interpretable elements

101 citations · 161 across the 22 of their papers we have counts for

collaborators

22 papers

cs.CL2026

Toward Better Assessment of LLMs' Performance in Clinical Error Detection

Yifan Zhang, Rahmatollah Beheshti

Automated detection of errors in clinical documentation is a promising application of large language models (LLMs), yet decisions to deploy such models rest on benchmarks that eval…

cs.CL2026

AgenticSum: An Agentic Inference-Time Framework for Faithful Clinical Text Summarization

Fahmida Liza Piya, Rahmatollah Beheshti

Large language models (LLMs) offer substantial promise for automating clinical text summarization, yet maintaining factual consistency remains challenging due to the length, noise,…

cs.CV2026

NAST: Improving Negation Handling in Medical Vision-Language Models through Negation-Aware Selective Training

Ali Abbasi, Mehdi Taghipour, Rahmatollah Beheshti

Negation is a fundamental linguistic operation in clinical reporting, yet vision-language models (VLMs) frequently fail to distinguish affirmative from negated medical statements.…

cs.LG2026

A Multimodal Data Processing Pipeline for MIMIC-IV Dataset

Farzana Islam Adiba, Varsha Danduri, Fahmida Liza Piya +3

The MIMIC-IV dataset is a large, publicly available electronic health record (EHR) resource widely used for clinical machine learning research. It comprises multiple modalities, in…

cs.LG2025

Reward Hacking Mitigation using Verifiable Composite Rewards

Mirza Farhan Bin Tarek, Rahmatollah Beheshti

Reinforcement Learning from Verifiable Rewards (RLVR) has recently shown that large language models (LLMs) can develop their own reasoning without direct supervision. However, appl…

cs.AI2025

Toward Revealing Nuanced Biases in Medical LLMs

Farzana Islam Adiba, Rahmatollah Beheshti

Large language models (LLMs) used in medical applications are known to be prone to exhibiting biased and unfair patterns. Prior to deploying these in clinical decision-making, it i…

cs.CL2025

ConTextual: Improving Clinical Text Summarization in LLMs with Context-preserving Token Filtering and Knowledge Graphs

Fahmida Liza Piya, Rahmatollah Beheshti

Unstructured clinical data can serve as a unique and rich source of information that can meaningfully inform clinical practice. Extracting the most pertinent context from such data…

cs.LG2025★ 2 cited

Recent Advances, Applications and Open Challenges in Machine Learning for Health: Reflections from Research Roundtables at ML4H 2024 Symposium

Amin Adibi, Xu Cao, Zongliang Ji +39

The fourth Machine Learning for Health (ML4H) symposium was held in person on December 15th and 16th, 2024, in the traditional, ancestral, and unceded territories of the Musqueam,…

cs.CL2024★ 1 cited

Enabling Scalable Evaluation of Bias Patterns in Medical LLMs

Hamed Fayyaz, Raphael Poulain, Rahmatollah Beheshti

Large language models (LLMs) have shown impressive potential in helping with numerous medical challenges. Deploying LLMs in high-stakes applications such as medicine, however, brin…

cs.CL2024★ 1 cited

Aligning (Medical) LLMs for (Counterfactual) Fairness

Raphael Poulain, Hamed Fayyaz, Rahmatollah Beheshti

Large Language Models (LLMs) have emerged as promising solutions for a variety of medical and clinical decision support applications. However, LLMs are often subject to different t…

cs.LG2024★ 2 cited

Fairness-Optimized Synthetic EHR Generation for Arbitrary Downstream Predictive Tasks

Mirza Farhan Bin Tarek, Raphael Poulain, Rahmatollah Beheshti

Among various aspects of ensuring the responsible design of AI tools for healthcare applications, addressing fairness concerns has been a key focus area. Specifically, given the wi…

cs.CL2024★ 7 cited

Bias patterns in the application of LLMs for clinical decision support: A comprehensive study

Raphael Poulain, Hamed Fayyaz, Rahmatollah Beheshti

Large Language Models (LLMs) have emerged as powerful candidates to inform clinical decision-making processes. While these models play an increasingly prominent role in shaping the…

cs.LG2024

HealthGAT: Node Classifications in Electronic Health Records using Graph Attention Networks

Fahmida Liza Piya, Mehak Gupta, Rahmatollah Beheshti

While electronic health records (EHRs) are widely used across various applications in healthcare, most applications use the EHRs in their raw (tabular) format. Relying on raw or si…

eess.SP2024

Multimodal Sleep Apnea Detection with Missing or Noisy Modalities

Hamed Fayyaz, Abigail Strang, Niharika S. D'Souza +1

Polysomnography (PSG) is a type of sleep study that records multimodal physiological signals and is widely used for purposes such as sleep staging and respiratory event detection.…

cs.LG2023★ 1 cited

Improving Fairness in AI Models on Electronic Health Records: The Case for Federated Learning Methods

Raphael Poulain, Mirza Farhan Bin Tarek, Rahmatollah Beheshti

Developing AI tools that preserve fairness is of critical importance, specifically in high-stakes applications such as those in healthcare. However, health AI models' overall predi…

cs.LG2022★ 9 cited

An Extensive Data Processing Pipeline for MIMIC-IV

Mehak Gupta, Brennan Gallamoza, Nicolas Cutrona +3

An increasing amount of research is being devoted to applying machine learning methods to electronic health record (EHR) data for various clinical purposes. This growing area of re…

cs.LG2022★ 2 cited

Who will Leave a Pediatric Weight Management Program and When? -- A machine learning approach for predicting attrition patterns

Hamed Fayyaz, Thao-Ly T. Phan, H. Timothy Bunnell +1

Childhood obesity is a major public health concern. Multidisciplinary pediatric weight management programs are considered standard treatment for children with obesity and severe ob…

cs.LG2021

Identifying the Leading Factors of Significant Weight Gains Using a New Rule Discovery Method

Mina Samizadeh, Jessica C Jones-Smith, Bethany Sheridan +1

Overweight and obesity remain a major global public health concern and identifying the individualized patterns that increase the risk of future weight gains has a crucial role in p…

cs.LG2021★ 10 cited

Subtyping patients with chronic disease using longitudinal BMI patterns

Md Mozaharul Mottalib, Jessica C Jones-Smith, Bethany Sheridan +1

Obesity is a major health problem, increasing the risk of various major chronic diseases, such as diabetes, cancer, and stroke. While the role of obesity identified by cross-sectio…

cs.LG2020★ 9 cited

Time-series Imputation and Prediction with Bi-Directional Generative Adversarial Networks

Mehak Gupta, Rahmatollah Beheshti

Multivariate time-series data are used in many classification and regression predictive tasks, and recurrent models have been widely used for such tasks. Most common recurrent mode…

stat.AP2019★ 101 cited

Obesity Prediction with EHR Data: A deep learning approach with interpretable elements

Mehak Gupta, Thao-Ly T. Phan, Timothy Bunnell +1

Childhood obesity is a major public health challenge. Early prediction and identification of the children at a high risk of developing childhood obesity may help in engaging earlie…

cs.LG2019★ 16 cited

Multi-modal Predictive Models of Diabetes Progression

Ramin Ramazi, Christine Perndorfer, Emily Soriano +2

With the increasing availability of wearable devices, continuous monitoring of individuals' physiological and behavioral patterns has become significantly more accessible. Access t…