- Science, Humanities and Social Sciences, multidisciplinary 93
- Artificial Intelligence 89
- Life Sciences, general 77
- Science, multidisciplinary 76
- Characterization and Evaluation of Materials 62
- Oncology 61
- Information Systems Applications (incl. Internet) 56
- Cell Biology 55
- Internal Medicine 55
- Biochemistry, general 54
- Biomedicine, general 54
- Information Storage and Retrieval 53
- Data Mining and Knowledge Discovery 46
- Medicine/Public Health, general 46
- Cancer Research 45
- Biotechnology 44
- Database Management 40
- Nanotechnology 40
- Materials Science, general 39
- Agriculture 37