| online course → HasPrerequisite → exam | 0.32 | |
| online course → HasPrerequisite → proctored exams | 0.28 | |
| online course → HasPrerequisite → time | 0.28 | |
| online course → HasPrerequisite → campus visits | 0.25 | |
| online course → HasPrerequisite → more self-discipline | 0.25 |