FLEX: A fast and light-weight learned index for kNN search in high-dimensional space.
Lingli LiAo HanXiaotong CuiBaohua WuPublished in: Inf. Sci. (2024)
Keyphrases
- knn
- lightweight
- k nearest neighbor
- nearest neighbor
- sequential scan
- k nearest neighbour
- classification algorithm
- text categorization
- indexing techniques
- distance function
- locality sensitive hashing
- index structure
- support vector machine svm
- nearest neighbor search
- similarity search
- distance computation
- knn algorithm
- feature selection
- high dimensional
- text classification
- query point
- high dimensional data
- classification method
- support vector machine
- knn classifier
- refinement step
- multi class
- neural network
- k nearest
- hierarchical document clustering
- reverse k nearest neighbor
- indexing structure
- exhaustive search
- euclidean distance
- vector quantization
- low dimensional
- feature extraction
- data mining