E-Ligtas: A Life-Saving Application Using Fingerprint Biometrics with Analysis for the People Who are in an Emergency. - William P. Rey; John Marvin P. Arganda; Xandria V. Juanitas; Dana Louise B. Mañalac (ICIBE, 2019)

MELDEN: An Android Based Mobile Crime Reporting Application Using Crowdsourcing. - William P. Rey; Neil Anne Mae S. Balderama; Sebastianne L. Hipulan; Arney Azzih C. Salayon (ICIBE, 2019)

A Fault Tolerant and Secured Network Design for File and Application Sharing in a Mid-sized Business Environment. - Eric Busia Blancaflor; Christian Collins C. Chua; Vince Anthony A. Parallag; William Penaflor Rey; Sanami Tamarauoyerimini; Mary Jane Samonte (CCIOT, 2020)

Economic and Operational Impact Analysis of a Mobile Automated Fingerprint Identification System (MAFIS) for the Philippine National Police. - William Penaflor Rey; Gisela V. Rolluqui (ICCBD, 2021)

Towards a Performance Optimization of Mobile Automated Fingerprint Identification System (MAFIS) for the Philippine National Police. - William Penaflor Rey; Ronaldo Antalan Juanatas (ICCAI, 2022)

MAFIS Overlay Network: Towards a Secure Network for Mobile Automated Fingerprint Identification System over Virtual Private Network (VPN). - William Penaflor Rey; Melito A. Baccay (ICCBN, 2022)

Designing Secure and Scalable end-to-end Private Network Connections between sites via Overlay Tunnels. - William Penaflor Rey; Kieth Wilhelm Jan Dugang Rey (ICECC, 2022)

Gamification of Learning as a Supplementary Learning Support for Mapua IT Students. - William P. Rey; Elcid A. Serrano; Adrian B. Alfonso; John Ramil F. Funilas; Kiel Cedrick T. Huplo (ICETT, 2022)

A Design of an E-Waste Collection Web Application to Motivate Waste Segregation & Collection Practices. - Eric Busia Blancaflor; Jose Miguel M. Neyra; Keith Andrew S. Ramel; Sheena Mae G. Tan; William P. Rey (ICIBE, 2022)

Farm Fresh - A Peer-to-Peer Mobile Application and Web-based Portal Platform for Farm Goods. - William P. Rey; Patrice Audrey S. Dimapilis; Toni Jeanne M. Fontanilla; Angel Maryl Anne V. Villavert (ICIBE, 2022)

Arrest Records Management System (ARMS) using Fingerprint and Face Recognition: A Criminal Record Management System for the City of Makati, Philippines. - William P. Rey; Kenneth Ian C. Africano; Karl Ivan S. Cosca; Paul Jerald S. Landayan (ICISS, 2022)

E-ULAT: A web-based Community-Driven Application for Hyperlocal Community. - William P. Rey; Rayven Joseph V. Mercado; James Andrei C. Rivera; Kenneth A. J. G. Quilantang (MSIE, 2022)

Cattle Care: An IoT Cattle Health Monitoring System (CHMS) for Backyard Dairy Cattle Farmers. - William P. Rey; Lance Jhudiel P. Javier; Justin Miguel N. Manguiat; Wesley Mikhail C. Tolentino (CCIOT, 2023)

Face Recognition (FR) Integration on MABIS: A Mobile Automated Biometric Identification System for Law Enforcement in the Philippines. - William Penaflor Rey (ICECC, 2023)

FishTank: an IOT-based Smart Aquarium Management System for Freshwater Fish Enthusiasts. - William Penaflor Rey (ICIBE, 2023)

Mamamayan: A Mobile Community-based Emergency Reporting and Notification System for the City of Makati in the Philippines. - William Penaflor Rey; Sydney Alison S. Adalin; Khristopher Ross L. Calanog; Gian Windsor R. Jimenez (ICSED, 2023)

TechRay: Advanced IoT Ecosystem for Freshwater Stingray Management. - William P. Rey (ASSE, 2024)

Assessing Usability and User Experience in e-Pondo: A Path to Improved Interaction Design. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ASSE, 2024)

Agile Infrastructure: Adapting Systems to Changing Business Requirements. - William P. Rey; Senen S. Dimanahan (CCIOT, 2024)

Usability Evaluation of the Mobile Automated Fingerprint Identification System Using the PACMAD Model: An Empirical Study. - William P. Rey (ICAIT, 2024)

Exploring Usability and User Experience in WeBarangay: A SUS and UEQ Analysis. - William P. Rey (ICAIT, 2024)

Angelarium: Integrating IoT and AI for Optimal Angel Fish Habitat Management. - William P. Rey; Kieth Wilhelm Jan Dugang Rey; Althea Jodie B. Labayan (ICAIT, 2024)

The Review of Deep Learning-Based Low-Light Image Enhancement Algorithms. - Taoru Kong; William P. Rey (ICBAR, 2024)

Assessing the Security Posture of Mobile Automated Fingerprint Identification Systems (MABIS): A Comprehensive Analysis for Enhanced Resilience. - William Penaflor Rey (ICCAI, 2024)

Performance Optimization of Mobile Automated Biometric Identification System (MABIS) for Philippine Law Enforcement Agency. - William P. Rey (ICCDE, 2024)

WeBarangay: A Local E-Government Services Web Application for N.S. Amoranto in Quezon City, Philippines. - William P. Rey; John Daryl P. Aumentado; James Nathaniel C. Delos Rey; Mark Louie D. Dipad (ICCDE, 2024)

AutoGardener: a web-based application for Smart-Urban Gardening. - William P. Rey; Jezel D. Gonzales; Joaquin Miguel F. Gonzales; Eugene B. Seguin (ICCDE, 2024)

Digital Evolution in Finance: A Smart Contract-integrated Web-Based Loan Management System for Lending Institutions. - William P. Rey; Carl Jose M. Guingab; Mark Joseph C. Sheng; John Ray D. Tamayo (ICCDE, 2024)

SenSabong: A sensor-based Application for the aid of training Cocks for CockFighting. - William P. Rey; Shreyansh M. Jain; Juan Carlos S. Lambino; Zachary Josh T. Raymundo (ICCDE, 2024)

Smart AroTank: an IOT-based Smart Aquarium Management System for Arowana Fish Keepers. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICCDE, 2024)

Intelli-Jaula: an IOT-based Smart Bird Cage for Agapornis Fischeri. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICCMB, 2024)

Optimizing User Experience and Performance in ePondo: A Crowdfunding Platform Study. - William P. Rey; Albert C. Villaluz; Keith Wilhelm Jan Dugang Rey (ICCMB, 2024)

The Impact of Digital Transformation in the Philippines: A Study of the Key Drivers and Barriers. - William P. Rey; Albert C. Villaluz; Keith Wilhelm Jan Dugang Rey (ICCMB, 2024)

A Blockchain-Infused Web Platform for Smart Contract-Enabled Loan Management in Financial Institutions. - William Penaflor Rey (ICCTA, 2024)

Optimizing User Interaction with MABIS: An Examination of Usability and User Experience in the Mobile Automated Biometric Identification System. - William Penaflor Rey (ICCTA, 2024)

OS Odyssey: Developing and Assessing Gamified Learning in Operating Systems Instruction. - William P. Rey; Kristel Eunice Defensor (ICDTE, 2024)

Crafting an Effective Digital Learning Experience: The Development and Assessment of VirtualNetLab (VNL) for Networking Fundamentals. - William P. Rey; Kristel Eunice Defensor (ICDTE, 2024)

FarmLink: Developing and Evaluating a P2P Land-Based Agricultural Market Hub for Lancaster New City through Tech-Driven Solutions. - William Penaflor Rey (ICEME, 2024)

VirtualTechLab (VTL): Innovative Pedagogy for Integrating Virtual Labs into E-Learning for Computer Hardware Fundamentals. - William P. Rey; Kristel Eunice Defensor (ICFET, 2024)

Play, Learn, Code: Assessing the Efficacy of Gamification in Computer Programming 1 Instruction. - William P. Rey; Kristel Eunice Defensor (ICFET, 2024)

Smart TERRY: an IOT-based Autonomous Smart Terrarium Management System for Bearded Dragon Pet Enthusiasts. - William P. Rey; Albert C. Villaluz; Kieth Wilhelm Jan Dugang Rey (ICICT, 2024)

ParaCare: Innovating Parakeet Habitats with Intelligent Connectivity. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICIEB, 2024)

Empowering Healthcare in the Philippines: Designing, Developing, and Evaluating Doctor Online, a Mobile Telemedicine Solution for Non-Emergency Medical Consultations. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICIEB, 2024)

Unveiling FreshConnect: An Empirical Exploration of Usability through the PACMAD Model in Agricultural Trade Platforms. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICIEB, 2024)

Integrating Smart Contracts into Web Infrastructure for Enhanced Loan Management: A Case Study of Kaagapay Cooperative in the Philippines. - William P. Rey; Kristel Eunice Defensor (ICISS, 2024)

Developing a User-Centric 'SeaFood Market' App for Direct Seafood Exchange in Village Communities of the Philippines. - William P. Rey; Kieth Wilhelm Jan Dugang Rey (ICISS, 2024)

E-Ligtas in Focus: A PACMAD-Based Usability Evaluation of Emergency Reporting in the Philippines. - William P. Rey (WSSE, 2024)