- Computer Communication Networks 13
- Artificial Intelligence 9
- Communications Engineering, Networks 9
- Processor Architectures 7
- Building Construction and Design 6
- Sustainable Development 6
- Biomaterials 5
- Computational Intelligence 5
- Engineering, general 5
- Geoengineering, Foundations, Hydraulics 5
- Operating Systems 5
- Building Materials 4
- Civil Engineering 4
- Data Mining and Knowledge Discovery 4
- Materials Science, general 4
- Nanotechnology 4
- Signal, Image and Speech Processing 4
- Structural Materials 4
- Sustainable Architecture/Green Buildings 4
- Characterization and Evaluation of Materials 3