VGQ-Vor: extending virtual grid quadtree with Voronoi diagram for mobile k nearest neighbor queries over mobile objects.
Botao WangJingwei QuXiaosong WangGuoren WangMasaru KitsuregawaPublished in: Frontiers Comput. Sci. (2013)
Keyphrases
- voronoi diagram
- mobile objects
- quadtree
- range queries
- multiresolution
- mobile environments
- efficient processing
- image representation
- spatial queries
- similarity queries
- data structure
- spatial objects
- road network
- continuous queries
- tree structure
- navigation systems
- moving objects
- multi dimensional
- index structure
- access methods
- databases
- mobile computing
- r tree
- mobile users
- metric space
- database
- data streams
- database systems
- feature selection
- machine learning
- data sets