| Package | Description | 
|---|---|
| de.lmu.ifi.dbs.elki.distance.similarityfunction | Similarity functions. | 
| Modifier and Type | Class and Description | 
|---|---|
| static class  | AbstractIndexBasedSimilarityFunction.Instance<O,I extends Index,R,D extends Distance<D>>The actual instance bound to a particular database. | 
| static class  | FractionalSharedNearestNeighborSimilarityFunction.Instance<T>Actual instance for a dataset. | 
| static class  | SharedNearestNeighborSimilarityFunction.Instance<O>Instance for a particular database. |