- Algorithm Analysis and Problem Complexity (5)
- Computer Science (5)
- Software Engineering (5)
- Programming Techniques (4)
- Computer Communication Networks (3)
- Information Systems Applications (incl.Internet) (3)
- Computer Systems Organization and Communication Networks (2)
- Mathematics of Computing (2)
- Simulation and Modeling (2)
- Software Engineering/Programming and Operating Systems (2)
- Operating Systems (1)
- System Performance and Evaluation (1)