JIAHE XI@jiahe_xiFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejiahe_xi has not updated employment details yet.EducationUniversity of OxfordComputer Science, PhD• 2012Linksjiahe_xi has not updated links details yet. Skillsjiahe_xi has not updated skills details yet.