Subspace tree: high dimensional multimedia indexing with logarithmic temporal complexity.
Andreas WichertPedro TeixeiraPedro SantosHelena GalhardasPublished in: J. Intell. Inf. Syst. (2010)
Keyphrases
- high dimensional
- multimedia
- low dimensional
- multimedia databases
- worst case
- dimensionality reduction
- high dimensional data
- feature space
- similarity search
- multimedia retrieval
- lower dimensional
- subspace clustering
- spatial and temporal
- multidimensional indexing
- database
- efficient retrieval
- spatio temporal
- multimedia data
- temporal information
- indexing schemes
- tree structure
- temporal databases
- linear space
- indexing structure
- information retrieval
- temporal constraints
- hash table
- temporal data
- sparse coding
- high dimensionality
- multi dimensional
- data points
- content based retrieval
- np hard
- data sets
- semantic concept detection
- multimedia collections
- content description
- clustering algorithm
- database systems
- multimedia presentations
- digital libraries
- similarity queries
- temporal relations
- subspace learning
- nearest neighbor search
- r tree
- manifold learning
- multimedia content