Comparison of Disaster Safety Datasets and Service in Korean and Japanese Public Data Portals

Abstract

The purpose of this study is to obtain implications through comparative analysis of disaster safety datasets and services of representative public data portals in Korea and Japan. Comparative standards were established first. Then, dataset weight analysis of disaster-type and safety-management -stage components, trend analysis through text mining on data-set descriptions, and data quality and portal services analysis were performed. As a result public data sets were lower in Korea both numerically and proportionally than in Japan. Japan had a high proportion of disaster preparation and recovery datasets in terms of disaster safety management, while Korea had a high proportion of prevention data-sets. In addition, in terms of disaster response collaboration, most of Korea has material management and resource support, but Japan has high proportion of emergency recovery and situation management of damaged facilities. In terms of data quality, Japan has many datasets with four levels of Berners-Lee rating. However Korea has a high proportion of datasets with three levels of Beners-Lee rating. However, Korea has a better data format for big-data utilization. Portal services are mainly centered on natural disasters in Japan, but in Korea, they are centered on social disasters. The results of this study provide a reference for the future direction of disaster safety public data portals in Korea.