Information Systems Computer science 1 357 Computer Communication Networks 745 Software engineering 559 Information storage and retrieval systems 498 Artificial intelligence 487 Database management 316 Computer software 308 Data encryption (Computer science) 274 Management information systems 270 Data mining 216 Data protection 210 Multimedia systems 172 Economics 140 Telecommunication 111 Computer vision 107 Operating systems (Computers) 103 Optical pattern recognition 97 Computer simulation 91 Logic design 91 Engineering 87 Computer network architectures 84 Data structures (Computer science) 71 Data processing 57 Computational complexity 55 Education 53 Computer system performance 45 Social sciences 44 Information systems 43 Electronic commerce 42