- Communications Engineering, Networks 13
- Electrical Engineering 9
- Engineering, general 7
- Mechanical Engineering 7
- Artificial Intelligence 6
- Computational Intelligence 6
- Biomedical Engineering and Bioengineering 5
- Electronics and Microelectronics, Instrumentation 5
- Energy Systems 5
- Science, Humanities and Social Sciences, multidisciplinary 5
- Signal, Image and Speech Processing 5
- Circuits and Systems 4
- Computer Communication Networks 4
- Control, Robotics, Mechatronics 4
- Theoretical and Applied Mechanics 4
- Engineering Design 3
- Information Systems Applications (incl. Internet) 3
- Aerospace Technology and Astronautics 2
- Astronomy, Observations and Techniques 2
- Computational Mathematics and Numerical Analysis 2