Featured Publications
VUSphere: Visual Analysis of Video Utilization in Online Distance Education
He H, Zheng O, Dong B. VUSphere: Visual Analysis of Video Utilization in Online Distance Education. 2018, 00: 25-35. DOI: 10.1109/vast.2018.8802383.Peer-Reviewed Original ResearchOnline distance educationDistance educationLearning processVideo utilizationMultiple perspectivesUser log dataLog dataLearning CenterVisual analytics systemProgram curriculumCourse videosStudent populationProfessional knowledgeQuality of serviceStudentsMassive videosCoordinated viewsDomain expertsAnalytics systemEducationReal datasetsComparable indicatorsVideoUtilization statisticsComparison view
2019
LearnerExp: Exploring and Explaining the Time Management of Online Learning Activity
He H, Zheng Q, Dong B. LearnerExp: Exploring and Explaining the Time Management of Online Learning Activity. 2019, 3521-3525. DOI: 10.1145/3308558.3314140.Peer-Reviewed Original ResearchInteractive visual analytics systemVisual analytics systemAnalytics systemOnline learning environmentTime managementLearner activitiesDifferent learner groupsOnline learningOnline learning activitiesLearning environmentIntuitive understandingLearning activitiesLearner groupsDemoPerformanceLearningSystemCourse instructorsMultiple aspectsManagementInstructorsEnvironmentTool