Computer software 128 Development 128 Congresses 42 Computer programming 10 Object-oriented programming (Computer science) 9 System design 8 Electronic data processing 7 Management 7 Software engineering 7 Programming languages (Electronic computers) 5 Computer-aided software engineering 4 Electronic digital computers 4 Programming 4 Ada (Computer program language) 3 Business 3 Computer programs 3 Data processing 3 Design and construction 3 Human factors 3 Object-oriented methods (Computer science) 3 Algebra 2 Computer software industry 2 Distributed processing 2 Macintosh (Computer) 2 Object-oriented databases 2 Quality control 2 Rapid prototyping 2 Reliability 2 Semantics 2 Astronautics 1