| Similarity | Rank | |
|---|---|---|
| Coursera | 0.723 | 79305 |
| MOOC | 0.624 | 25325 |
| MOOCs | 0.602 | 34845 |
| online_education | 0.559 | 45457 |
| online_learning | 0.547 | 26656 |
| YouTube | 0.541 | 5284 |
| Math | 0.537 | 9223 |
| Prezi | 0.530 | 89318 |
| online_course | 0.524 | 17671 |
| Moodle | 0.523 | 23507 |
| screencast | 0.523 | 79944 |
| Wikipedia | 0.514 | 8513 |
| blend_learning | 0.512 | 68602 |
| blend_learn | 0.510 | 98185 |
| Mark_Zuckerberg | 0.507 | 72050 |
| Evernote | 0.504 | 38689 |
| lesson_plan | 0.503 | 13204 |
| Vimeo | 0.501 | 53267 |
| CCSS | 0.498 | 48444 |
| iPad_app | 0.498 | 82362 |
| the_College_Board | 0.497 | 76337 |
| educational_content | 0.493 | 71899 |
| math | 0.493 | 2492 |
| the_Internet_Archive | 0.491 | 96309 |
| online_class | 0.490 | 69253 |