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| luokitusjärjestelmä | |||
| valitsin (A superclass that includes class, data type, and interface subclasses. Because all classifier subclasses share the same syntax, they are all represented by the same rectangle model element) | |||
| luokittaja | |||
| lajittelulaitos | |||
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classifier : 10 do fraz, 5 tematyki |
| Chemia | 4 |
| Ochrona środowiska | 2 |
| Przemysł | 1 |
| Statystyka | 2 |
| Technika i technologia | 1 |