Computer science 6.253 Engineering 3.830 Medicine 3.442 Artificial intelligence 2.765 Design and construction 2.609 Mathematics 2.419 Physics 1.886 Economics 1.876 Information Systems 1.860 Data processing 1.691 Software engineering 1.676 Computer Communication Networks 1.611 Automobiles 1.531 Computer software 1.362 Programmable controllers 1.176 Information storage and retrieval systems 1.166 Life sciences 1.142 Materials 1.124 Computer vision 1.080 Education 1.032 Automatic control 1.018 Database management 975 Chemistry 958 Management 948 Wireless communication systems 893 Computer simulation 889 Social sciences 866 Data mining 838 Geography 804 Computer graphics 779