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Hyunji Sim

1 paper indexed

openalexBuildings2026-07-23

A Spatial Big Data and Unsupervised Learning Framework for Prioritizing Patrol Areas for Illegal Waste Dumping

Joung Woo Ryu, Hyunji Sim, Daesung Cho, Jinwoo (Brian) Lee

Illegal waste dumping remains a persistent urban management problem, yet enforcement is often reactive because cities lack spatially precise evidence on where risk is concentrated. This study presents an unsupervised machine learning and urban big data framework that converts rou…

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