- Computer Communication Networks 29
- Artificial Intelligence 15
- Information Systems Applications (incl. Internet) 13
- Management of Computing and Information Systems 10
- Algorithm Analysis and Problem Complexity 9
- Information Storage and Retrieval 7
- Systems and Data Security 7
- Cryptology 6
- Electrical Engineering 6
- Software Engineering/Programming and Operating Systems 6
- Theory of Computation 5
- Database Management 4
- Multimedia Information Systems 4
- Signal, Image and Speech Processing 4
- Simulation and Modeling 4
- e-Commerce/e-business 4
- Communications Engineering, Networks 3
- Computation by Abstract Devices 3
- Computers and Society 3
- Data Mining and Knowledge Discovery 3