- Science, Humanities and Social Sciences, multidisciplinary 16
- Science, multidisciplinary 14
- Artificial Intelligence 8
- Physics, general 8
- Cancer Research 7
- Biochemistry, general 6
- Cell Biology 6
- Information Systems Applications (incl. Internet) 6
- Life Sciences, general 6
- Oncology 6
- Microarrays 5
- Nanotechnology 5
- Pharmacology/Toxicology 5
- Plant Genetics and Genomics 5
- Animal Genetics and Genomics 4
- Biomedicine, general 4
- Biotechnology 4
- Chemistry/Food Science, general 4
- Computational Intelligence 4
- Computer Science, general 4