Patent ID: 11961302
Assignee: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A method for proctoring online exams using a visual analytics system, comprising:
collecting, by the visual analytics system, exam data corresponding to a user taking an exam, wherein the exam data includes video data and interaction data;
analyzing, by the visual analytics system, the exam data to detect abnormal behavior by the user;
generating, by the visual analytics system, one or more visualizations of the analyzed exam data; and
displaying, by the visual analytics system, the one or more visualizations to a reviewer to facilitate the reviewer determining whether or not the user cheated during the exam;
wherein the one or more visualizations include information of a first level, a second level and a third level;
wherein the information of the first level includes a list of students taking the exam and overall risk evaluations associated with the students in the list of students, wherein a respective overall risk evaluation associated with a respective student indicates an overall risk of all types of abnormal behaviors associated with the respective student;
wherein the information of the second level includes a list of questions in the exam and risk evaluations associated with respective questions in the list of questions; and
wherein the information of the third level includes obtained video data and/or obtained interaction data associated with a respective question among the list of questions.