Research & Publications

My work focuses on Large Language Models for medical applications, health informatics, and epidemiological modeling.

Research Projects

Current Research

Multilingual IoT-LLM

Developing amultilingual IoT-LLM for medical consultation systems.

LLMs NLP Medical AI Multilingual IoT
2025

Medical Chatbot Risk Estimation

Multi-agent LLM framework combining objective clinical metrics with subjective evaluation to assess medical chatbot responses across risk dimensions. Published in JMIR Medical Informatics (2026).

LLMs NLP Medical AI Multi-Agent Systems
Preprint: JMIR Medical Informatics (2026)
2020 – 2024

FASSSTER COVID-19 Surveillance

National syndromic surveillance and spatio-temporal epidemiological modeling platform used by the Philippine Department of Health for COVID-19 response. Built data pipelines and visualization APIs.

Python R REST APIs Epidemiology
Springer Book
2022 – 2024

CREDERE: Blockchain Digital Credentials

Modular blockchain implementation using Hyperledger Fabric for issuance, sharing, and verification of digital credentials for participatory governance.

Hyperledger Fabric Blockchain Decentralized Systems
ACM Paper

Publications

Full list available on Google Scholar.

2026
2025
NAISTym at the NTCIR-18 MedNLP-CHAT: Classifying Patient-Chatbot Conversations with Objective and Subjective Assessments Using Prompting Techniques

Tamayo LPV, Jannah SZ, Alnajjar M, Levenchaud A, Peng S, Wakamiya S, Aramaki E.
NTCIR-18 Proceedings

2025
NTCIR-18 MedNLP-CHAT: Determining Medical, Ethical and Legal Risks in Patient-Doctor Conversations – Task Overview

Aramaki E, Wakamiya S, Yada S, Hisada S, Nishiyama T, Tamayo LPV, et al.
NTCIR-18 Proceedings

2024
Assessing Economic Losses with COVID-19 Integrated Models: A Retrospective Analysis

Teng TRY, de Lara-Tuprio EP, Sescon JT, Lubangco CK, Castillo RCJT, Tolentino MAC, Estuar MRJE, Tamayo LPV, Pulmano CE.
Humanities and Social Sciences Communications, 11, Article 1514.

2023
FASSSTER Data Pipeline and DevOps

Tamayo LP, Pulmano C, Santos RJ, Buhain JA, Ico R.
COVID-19 Experience in the Philippines. Springer. (Book Chapter)

2023
Management of COVID-19 Data for the FASSSTER Platform

Estuar MRJE, Tamayo LPV, Buhain JA, Chua JY, Benito DJ, Yao LF, Sarmiento RF.
COVID-19 Experience in the Philippines. Springer. (Book Chapter)

2023
Disease Surveillance Metrics and Statistics.

Pulmano C, de Lara-Tuprio E, Estuar MRJ, Tamayo LPV, Buhain JA, Ico R.
COVID-19 Experience in the Philippines. Springer. (Book Chapter)

2023
CREDERE: A Modular Blockchain Implementation for Digital Credentials

Pulmano CE, Estuar MRJE, De Leon MM, Tamayo LPV, Magpantay AT, Tan HCL, Co NAS.
ACM ICSIM 2023

2023
Towards the Development of a Blockchain-based Decentralized Digital Credential System using Hyperledger Fabric

Pulmano CE, Estuar MRJE, De Leon MM, Tan HCL, Co NAS, Tamayo LPV.
Procedia Computer Science 219, 99–106.

2022
Economic Losses from COVID-19 Cases in the Philippines: A Dynamic Model of Health and Economic Policy Trade-offs

de Lara-Tuprio EP, Estuar MRJE, Sescon JT, Lubangco CK, Castillo RCJT, Teng TRY, Tamayo LPV, et al.
Springer Nature Humanities and Social Sciences Communications 9, 111.

2022
Development of an Explicit Agent-Based Simulation Toolkit for Opening of Schools

Estuar MRJ, Abao R, Aureus J, Pangan Z, Tamayo LP, de Lara-Tuprio E, Teng TR, Rodrigueza R.
Social Computing and Social Media, Springer.

Conference Presentations

Jun 2025

NTCIR-18 Conference

Tokyo, Japan – Oral Presentation

Classifying patient-chatbot conversations with objective and subjective assessments

Jul 2023

7th Annual Conference on Engineering & IT

Osaka, Japan – Oral Presentation

Intelligent system for coffee plant analysis (ISCA)

Nov 2022

CENTERIS 2022

Lisbon, Portugal – Oral Presentation

Blockchain-based decentralized digital credential system

Dec 2022

Hyper Interdisciplinary Conference

Kagawa, Japan – Poster Presentation

Participatory design of the FASSSTER surveillance platform for COVID-19