Sociology 17 Social & cultural anthropology, ethnography 13 Migration, immigration & emigration 12 Automatic control engineering 10 Research & information: general 8 Technology: general issues 8 Computer vision 7 Other technologies & applied sciences 7 Society & culture: general 7 Anthropology 6 Cultural studies 6 Education 6 History of engineering & technology 6 Media studies 6 Business & management 5 Economics 5 General & world history 5 Applied ecology 4 Central government policies 4 Environmental management 4 Environmental policy & protocols 4 Gender studies, gender groups 4 Geographical information systems (GIS) & remote sensing 4 Human rights 4 Information technology industries 4 International relations 4 Literature: history & criticism 4 Medicine 4 Politics & government 4 Science: general issues 4