- Artificial Intelligence 13
- Computational Intelligence 13
- Signal, Image and Speech Processing 11
- Communications Engineering, Networks 7
- Robotics and Automation 6
- Wireless and Mobile Communication 6
- Biomedical Engineering and Bioengineering 4
- Computer Communication Networks 4
- User Interfaces and Human Computer Interaction 4
- Polymer Sciences 3
- Renewable and Green Energy 3
- Circuits and Systems 2
- Complexity 2
- Energy Storage 2
- Energy Systems 2
- Engineering Design 2
- Engineering, general 2
- Information Storage and Retrieval 2
- Inorganic Chemistry 2
- Materials Science, general 2