More specific terms
- NT 3.1 Natural Sciences
- NT 3.2 Engineering
- NT 3.3 Social and Behavioral Sciences
- NT 3.4 Humanities
- NT 3.5 Management Data Processing
- NT 3.6 Artificial Intelligence
- NT 3.7 Information Retrieval
- NT 3.8 Miscellaneous
- NT 3.8 Miscellaneous