- Computer Communication Networks 84
- Cryptology 37
- Information Systems Applications (incl. Internet) 35
- Algorithm Analysis and Problem Complexity 30
- Systems and Data Security 23
- Management of Computing and Information Systems 21
- Information Storage and Retrieval 19
- Artificial Intelligence 18
- Operating Systems 15
- Computers and Society 14
- Discrete Mathematics in Computer Science 11
- Software Engineering 10
- Multimedia Information Systems 9
- Special Purpose and Application-Based Systems 8
- User Interfaces and Human Computer Interaction 8
- Coding and Information Theory 7
- Data Structures and Information Theory 7
- Database Management 7
- Theory of Computation 7
- Computer Applications 6