activity
20242026
collaborators

7 papers

cs.AI2026

The complexities of patient-centred conversational artificial intelligence

João Matos, Olivia Buege, Donny Cheung +8

Consumer-facing health chatbots powered by large language models (LLMs) are increasingly used for symptom assessment. However, chatbot development and evaluation often rely on coop…

cs.AI2026

STEER: Inference-Time Risk Control via Constrained Quality-Diversity Search

Eric Yang, Jong Ha Lee, Jonathan Amar +2

Large Language Models (LLMs) trained for average correctness often exhibit mode collapse, producing narrow decision behaviors on tasks where multiple responses may be reasonable. T…

cs.LG2025

Integrating Genomics into Multimodal EHR Foundation Models

Jonathan Amar, Edward Liu, Alessandra Breschi +13

This paper introduces an innovative Electronic Health Record (EHR) foundation model that integrates Polygenic Risk Scores (PRS) as a foundational data modality, moving beyond tradi…

cs.LG2025

Sleepless Nights, Sugary Days: Creating Synthetic Users with Health Conditions for Realistic Coaching Agent Interactions

Taedong Yun, Eric Yang, Mustafa Safdari +13

We present an end-to-end framework for generating synthetic users for evaluating interactive agents designed to encourage positive behavior changes, such as in health and lifestyle…

cs.LG2025

The Geometry of Queries: Query-Based Innovations in Retrieval-Augmented Generation for Healthcare QA

Eric Yang, Jonathan Amar, Jong Ha Lee +2

Deploying Large Language Models (LLMs) for healthcare question answering requires robust methods to ensure accuracy and reliability. This work introduces Query-Based Retrieval Augm…

cs.CL2025

AI Agents for Conversational Patient Triage: Preliminary Simulation-Based Evaluation with Real-World EHR Data

Sina Rashidian, Nan Li, Jonathan Amar +7

Background: We present a Patient Simulator that leverages real world patient encounters which cover a broad range of conditions and symptoms to provide synthetic test subjects for…