A safe region based approach to moving KNN queries in obstructed space.
Chuanwen LiYu GuJianzhong QiRui ZhangGe YuPublished in: Knowl. Inf. Syst. (2015)
Keyphrases
- knn
- k nearest neighbor
- range queries
- nearest neighbor
- query point
- text categorization
- k nearest neighbour
- distance function
- spatial networks
- input space
- knn algorithm
- support vector machine svm
- neural network
- query processing
- objects moving
- classification method
- sequential scan
- distance measurement
- support vector machine
- text classification
- knn classifier
- test instances
- refinement step
- k nearest
- shows significant improvements
- machine learning
- metric space
- classification algorithm
- similarity search
- moving objects
- euclidean distance
- input image
- high dimensional
- reverse k nearest neighbor