Data mining Artificial intelligence 4 Machine learning 4 Games development & programming 3 Information technology: general issues 3 Applied ecology 2 Biology, life sciences 2 Computer networking & communications 2 Data capture & analysis 2 Databases 2 Environmental science, engineering & technology 2 Evolution 2 Geographical information systems (GIS) & remote sensing 2 Internet: general works 2 Natural language & machine translation 2 Algorithms & data structures 1 Business mathematics & systems 1 Communications engineering / telecommunications 1 Computational linguistics 1 Computer science 1 Computer security 1 Data encryption 1 Ethical & social aspects of IT 1 Human-computer interaction 1 Image processing 1 Impact of science & technology on society 1 Information retrieval 1 Mathematical theory of computation 1 Mathematics 1 Medical genetics 1