Digital computer simulation 90 Congresses 24 Data processing 10 Electronic digital computers 9 Mathematical models 9 Evaluation 7 GPSS (Computer program language) 7 Simulation methods 5 System analysis 5 Computer simulation 4 Decision-making 4 Electronic data processing 4 Business 2 Computer networks 2 Economics 2 Management 2 Marketing 2 Mathematical optimization 2 Mathematical statistics 2 Microcomputers 2 Operations research 2 Parallel processing (Electronic computers) 2 Programming languages (Electronic computers) 2 SLAM (Computer program language) 2 Telecommunication systems 2 Ada (Computer program language) 1 Approximation theory 1 Cognition 1 Database management 1 Decision making 1