Computer science 1,851 Engineering 1,193 Artificial intelligence 1,053 Information systems 810 Physics 782 Software engineering 767 Computer Communication Networks 756 Mais ... Economics 713 Mathematics 563 Medicine 515 Computer software 485 Information storage and retrieval systems 483 Database management 359 Logic design 313 Engineering mathematics 307 Information Systems 303 Biochemistry 302 Computer vision 285 Geography 284 Environmental sciences 269 Optical pattern recognition 264 Philosophy 263 Oncology 261 Mathematical physics 255 Operating systems (Computers) 255 Materials 242 Structural control (Engineering) 238 Radiology, Medical 232 Astronomy 231 Operations research 231 menos ...