HCTree+: A workload-guided index for approximate kNN search.
Lingli LiJie XuYu LiJingwen CaiPublished in: Inf. Sci. (2021)
Keyphrases
- knn
- k nearest neighbor
- sequential scan
- distance computation
- nearest neighbor
- k nearest neighbour
- text categorization
- classification algorithm
- distance function
- support vector machine svm
- index structure
- similarity search
- indexing techniques
- knn algorithm
- reverse k nearest neighbor
- feature selection
- range queries
- nearest neighbor algorithm
- indexing structure
- input space
- refinement step
- data sets
- hierarchical document clustering
- query point
- test instances
- text classification
- support vector machine
- neural network