| Similarity | Rank | |
|---|---|---|
| frontier | 0.723 | 11964 |
| the_boundary_of | 0.621 | 7650 |
| the_cut_edge_of | 0.522 | 29259 |
| scientific_discovery | 0.517 | 40126 |
| new_territory | 0.512 | 79961 |
| the_realm_of | 0.510 | 25002 |
| boundary_of | 0.501 | 36403 |
| the_crossroad_of | 0.494 | 41642 |
| scientific_field | 0.494 | 78923 |
| realm_of | 0.481 | 45810 |
| scientific_progress | 0.467 | 84870 |
| advance | 0.466 | 1132 |
| break_new_ground | 0.465 | 41471 |
| scientific_development | 0.463 | 88335 |
| the_border_between | 0.461 | 90089 |
| scientific_discipline | 0.461 | 84293 |
| national_border | 0.459 | 73763 |
| the_nexus_of | 0.458 | 68652 |
| the_fringe_of | 0.458 | 34247 |
| in_the_realm_of | 0.457 | 25541 |
| the_confine_of | 0.455 | 20601 |
| interdisciplinary_research | 0.454 | 46388 |
| the_frontline | 0.454 | 27194 |
| fundamental_research | 0.453 | 66281 |
| into_the_realm_of | 0.452 | 92648 |