| Similarity | Rank | |
|---|---|---|
| Hadoop | 0.820 | 32485 |
| MongoDB | 0.759 | 52765 |
| SQL | 0.716 | 13022 |
| MySQL | 0.708 | 12765 |
| PostgreSQL | 0.697 | 39611 |
| relational_database | 0.694 | 63461 |
| SQL_Server_[number] | 0.663 | 66332 |
| DevOps | 0.662 | 63560 |
| SQL_Server | 0.659 | 23796 |
| Big_Data | 0.656 | 11925 |
| OpenStack | 0.642 | 39674 |
| Ruby_on_Rails | 0.636 | 78076 |
| Docker | 0.636 | 80279 |
| Saas | 0.636 | 37336 |
| JSON | 0.635 | 32713 |
| Windows_Azure | 0.634 | 71295 |
| Clojure | 0.634 | 89187 |
| SQLite | 0.634 | 90513 |
| datum_warehouse | 0.628 | 54549 |
| Cloud_Computing | 0.624 | 29255 |
| Linked_Data | 0.622 | 65814 |
| Business_Intelligence | 0.622 | 49346 |
| Hibernate | 0.618 | 94436 |
| XML | 0.613 | 9868 |
| cloud_computing | 0.612 | 12561 |