See: Description

| Interface | Description | 
|---|---|
| SubspaceProjectionIndex<NV extends NumberVector<?>,P extends ProjectionResult> | Interface for an index providing local subspaces. | 
| SubspaceProjectionIndex.Factory<NV extends NumberVector<?>,I extends SubspaceProjectionIndex<NV,?>> | Factory interface | 
| Class | Description | 
|---|---|
| AbstractSubspaceProjectionIndex<NV extends NumberVector<?>,D extends Distance<D>,P extends ProjectionResult> | Abstract base class for a local PCA based index. | 
| AbstractSubspaceProjectionIndex.Factory<NV extends NumberVector<?>,D extends Distance<D>,I extends AbstractSubspaceProjectionIndex<NV,D,?>> | Factory class | 
| AbstractSubspaceProjectionIndex.Factory.Parameterizer<NV extends NumberVector<?>,D extends Distance<D>,C> | Parameterization class. | 
| FourCSubspaceIndex<V extends NumberVector<?>,D extends Distance<D>> | Preprocessor for 4C local dimensionality and locally weighted matrix
 assignment to objects of a certain database. | 
| FourCSubspaceIndex.Factory<V extends NumberVector<?>,D extends Distance<D>> | Factory class for 4C preprocessors. | 
| FourCSubspaceIndex.Factory.Parameterizer<V extends NumberVector<?>,D extends Distance<D>> | Parameterization class. | 
| PreDeConSubspaceIndex<V extends NumberVector<?>,D extends Distance<D>> | Preprocessor for PreDeCon local dimensionality and locally weighted matrix
 assignment to objects of a certain database. | 
| PreDeConSubspaceIndex.Factory<V extends NumberVector<?>,D extends Distance<D>> | Factory. | 
| PreDeConSubspaceIndex.Factory.Parameterizer<V extends NumberVector<?>,D extends Distance<D>> | Parameterization class. | 
Index using a preprocessed local subspaces.