| 聚类名称 | 时间段 | 规模 | Silhouette |
| Educational technology | 2013~2018 | 31 | 0.525 |
| MOOC design | 2013~2018 | 28 | 0.5 |
| cMOOC | 2014~2017 | 24 | 0.526 |
| Continuance intention | 2015~2017 | 22 | 0.663 |
| Gamification | 2014~2017 | 20 | 0.732 |
| Lifelong learning | 2015~2018 | 17 | 0.812 |
| Learning analytics | 2016~2018 | 15 | 0.712 |
| Social media | 2014~2016 | 13 | 0.73 |
| Palliative care | 2015~2018 | 9 | 0.813 |