- Elementary Particles, Quantum Field Theory 373
- Quantum Field Theories, String Theory 373
- Classical and Quantum Gravitation, Relativity Theory 272
- Quantum Physics 272
- Artificial Intelligence 139
- Information Systems Applications (incl. Internet) 121
- Astronomy, Astrophysics and Cosmology 101
- Measurement Science and Instrumentation 101
- Nuclear Energy 101
- Nuclear Physics, Heavy Ions, Hadrons 101
- Computer Communication Networks 85
- Information Storage and Retrieval 84
- Data Mining and Knowledge Discovery 68
- Database Management 56
- Communications Engineering, Networks 49
- Algorithm Analysis and Problem Complexity 47
- Science, Humanities and Social Sciences, multidisciplinary 45
- Science, multidisciplinary 42
- Image Processing and Computer Vision 39
- Computational Intelligence 37