04 — Publications

Peer-reviewed work

published under my full name, Rohan Paul Richard

Passive Screening for Obstructive Sleep Apnea via Value-Augmented EHR Token Embeddings

Kosiba, Sudharsan, Parthasarathi, Richard, Acharya, Greenfield

HIMS'26 / CSCE'26 — Springer Nature (Scopus-indexed)

An accepted research paper on passive health screening with machine learning.

Accepted 2026 · publication pending

Taming Large Language Models for Healthcare – A Multi-layered System

Sudharsan, Kosiba, Parthasarathi, Richard

CSCE 2024 — Springer CCIS, 2025, pp. 191–201

A multi-layered LLM guardrail system for healthcare conversational AI, combining classifiers, vector-store matching, and dynamic prompt engineering to keep chatbots safe for patients with chronic conditions.

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A Client-Server Based Educational Chatbot for Academic Institutions

Richard, Veemaraj, Thomas, Mathew, Stephen, Koshy

IEEE CONIT 2024, pp. 1–5 · first author

A client-server educational chatbot giving students source-grounded answers, built on a Mixture-of-Experts LLM with retrieval-augmented generation over instructor-trusted course material.

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A Deepfake Image Classifier System for Real and Doctored Image Differentiation

Thomas, Ebenezer, Richard

IEEE ICICT 2024, pp. 1247–1251

A CNN classifier built on the MesoNet architecture that distinguishes authentic images from doctored or deepfake images.

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