Keyphrases
- knn
- k nearest neighbor
- range queries
- nearest neighbor
- refinement step
- k nearest neighbour
- distance function
- text categorization
- k nearest
- query point
- response time
- classification method
- knn algorithm
- sequential scan
- query processing
- support vector machine svm
- similarity search
- data structure
- shows significant improvements
- feature selection
- support vector machine
- distributed environment
- text classification
- distance computation
- r tree
- indexing techniques
- access methods
- classification algorithm
- knn classifier
- training set
- feature extraction
- information retrieval