Table 1 List of the taxonomy and folksonomy integrated keywords.
Keyword categories | Keyword individuals |
|---|---|
City | Beijing, Shanghai, Guangzhou, Xi’an, Shenzhen, Hangzhou, Nanjing, New York, Washington DC, Los Angeles, San Francisco, Seattle, Chicago, Philophobia, London, Manchester, Paris, Madrid, Barcelona, Berlin, Frankfurt, Munich, Hamburg, Milan, Turin, Roma, Amsterdam, Moscow, Istanbul, Vienna, Prague, Stockholm |
Continent | North American, African, Asian, Europe, South American |
Space | three-dimensional, 3D,virtual, bird-eye |
Nature | hydrology, water net, topographical, terrain, digital elevation model, TIN, digital surface model |
Social-economy | indoor, shopping mall, airport, museum, cinema, travel, tourism, urban, traffic, street, land classification |
Others | comic, drawing, |
