| Similarity | Rank | |
|---|---|---|
| rdb | 0.929 | 33659 |
| ultrix | 0.912 | 25945 |
| ipx | 0.909 | 29898 |
| nfs | 0.907 | 24563 |
| appleshare | 0.907 | 54839 |
| accell | 0.907 | 42902 |
| encina | 0.906 | 27100 |
| xenix | 0.905 | 53595 |
| sqlbase | 0.904 | 84840 |
| motif-based | 0.903 | 46138 |
| decnet | 0.901 | 40874 |
| lu6 | 0.901 | 66217 |
| 4gl | 0.900 | 25972 |
| enhancements | 0.899 | 89398 |
| gcos | 0.898 | 56928 |
| oltp | 0.897 | 30065 |
| mvs | 0.897 | 22014 |
| drda | 0.897 | 38185 |
| ontos | 0.896 | 40813 |
| sinix | 0.896 | 63188 |
| rdbms | 0.896 | 46368 |
| hp-ux | 0.895 | 21501 |
| sunos | 0.894 | 31967 |
| sparc-based | 0.894 | 30723 |
| lantastic | 0.894 | 41668 |