Improving the Performance of High-Dimensional kNN Retrieval through Localized Dataspace Segmentation and Hybrid Indexing.
Michael A. SchuhTim WylieRafal A. AngrykPublished in: ADBIS (2013)
Keyphrases
- knn
- similarity search
- k nearest neighbor
- nearest neighbor
- indexing techniques
- multimedia databases
- efficient indexing
- high dimensional
- indexing structure
- information retrieval
- similarity queries
- multimedia retrieval
- content based retrieval
- text categorization
- distance function
- k nearest neighbour
- text classification
- neural network
- nearest neighbor search
- image segmentation
- knn algorithm
- indexing method
- classification method
- range queries
- knn classifier
- knn classification
- metric space
- high dimensional data
- feature space
- classification algorithm
- low dimensional
- multiscale
- locality sensitive hashing
- support vector machine
- feature selection
- distance computation
- image retrieval
- dimensionality reduction
- artificial neural networks
- input space
- access methods
- multi class
- machine learning