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Author

Joo-Hyun Park

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Open access 2026

An AI-Driven and Risk-Aware Digital Identity Protection Framework for Secure IoMT Environments

This study highlights the feasibility of a risk-adaptive digital identity protection framework that dynamically evaluates digital identity and adaptively responds based on risk levels in IoMT environments and maintains a low False Restriction Rate.

Joo-Hyun Park, Jiho Choi, Libor Mesícek et al. · 0 citations
#explainable ai Review Open access Aug 2026

Exploring the Relationship Between Visit Frequency and Customer Retention in Study Cafes Using AI-Based Predictive Modeling

This study empirically investigates actual customer repurchase behavior by analyzing behavioral log and payment data collected from study cafe users in an attendance-based learning service environment. Unlike prior studies that primarily relied on survey-based measures, this study integrates attendance records, payment...

Joo-Hyun Park, Seung-Chan Lee, Hoon Ko · 0 citations

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