| code | |
| comp., MS | tag |
| environ. | code |
| IT engl. | code |
| stat. | coding scheme |
|
orthogonale : 49 phrases in 10 subjects |
| Communications | 1 |
| Electronics | 15 |
| General | 1 |
| Information technology | 1 |
| Mathematics | 15 |
| Medical | 1 |
| Metallurgy | 2 |
| Scientific | 2 |
| Statistics | 5 |
| Technology | 6 |