Sangbong Yoo

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A pilot system has been developed to promote the collaborative engineering design on the Internet. Product models are stored in a shared database which is formatted according to the international standard STEP. The schema of the database is based on AP203 of STEP. Metadata and ontology concepts are used to improve the search capability of the product(More)
In recent years, people can do most of their personal tasks, such as banking on smart devices like personal computers (PCs). Especially, Malware targeted at personal information stored on mobile are hard to detect and risks from usage patterns are even more difficult. Therefore, a means for easy recognition of the problems and the smartphone usage is(More)
As the world trend is elapsing toward the big data world, researchers have gradually become interested in data analysis and data visualization. We propose a visual analytics system for analyzing the big data for disease pattern analysis. The system is designed for not only experts but also novice users. We have focused on designing the system to support a(More)
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