- Artificial Intelligence 6
- Information Systems Applications (incl. Internet) 6
- Computer Communication Networks 5
- Earth Sciences, general 4
- Cryptology 3
- Security 3
- Simulation and Modeling 3
- Systems and Data Security 3
- Complex Systems 2
- Computational Intelligence 2
- Control, Robotics, Mechatronics 2
- Earth System Sciences 2
- Management of Computing and Information Systems 2
- Manufacturing, Machines, Tools, Processes 2
- Mechanical Engineering 2
- Ontology 2
- Pattern Recognition 2
- Remote Sensing/Photogrammetry 2
- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 2
- Systems Biology 2