Chris Ko @hyeon-ko Active 12 hours, 24 minutes ago @kelly-liu Hi Kelly! We share similar interests in data analytics and database management systems. View ActivityProfileSites 1Friends 1Groups 1 My Sites Order By: Last Active Newest Alphabetical Viewing 1 site Chris Ko Active 7 months, 1 week ago Visit Site Viewing 1 site CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio