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
How Learner Support Services Affect Student Engagement in Online Learning Environments
He H, Zheng Q, Di D, Dong B. How Learner Support Services Affect Student Engagement in Online Learning Environments. IEEE Access 2019, 7: 49961-49973. DOI: 10.1109/access.2019.2910589.Peer-Reviewed Original ResearchLearner support servicesOnline learning environmentStudent engagementLearning environmentStudent satisfactionSupport servicesStudents' learning statusLong-term learning processCourse retentionLearning planLearning statusLearning resourcesOnline coursesEducational institutionsStudent groupsLearning processEngagementStudentsLog dataSkillsSatisfactionAnalytic techniquesInstitutionsCourseVisual analytics techniques
2018
Measuring Student's Utilization of Video Resources and its Effect on Academic Performance
He H, Zheng Q, Dong B, Yu H. Measuring Student's Utilization of Video Resources and its Effect on Academic Performance. 2018, 196-198. DOI: 10.1109/icalt.2018.00053.Peer-Reviewed Original Research
2014
Big Log Analysis for E-Learning Ecosystem
Zheng Q, He H, Ma T, Xue N, Li B, Dong B. Big Log Analysis for E-Learning Ecosystem. 2014, 258-263. DOI: 10.1109/icebe.2014.51.Peer-Reviewed Original ResearchLog analysisLow latency requirementsE-learningMulti-dimensional correlationLog collectionStable serviceLog dataArchitectureRapid developmentWhole life cycleComplicated characteristicsComputationExperimental implementationServicesLogsVariety of methodsComplexityImplementationLife cycleDemandRequirements