Package elki.database.query.similarity

Interface DatabaseSimilarityQuery<O>

Type Parameters:

O - relation object type.

All Superinterfaces:

SimilarityQuery<O>

All Known Subinterfaces:

IndexBasedSimilarity.Instance<T,I>

All Known Implementing Classes:

AbstractIndexBasedSimilarity.Instance, FractionalSharedNearestNeighborSimilarity.Instance, SharedNearestNeighborSimilarity.Instance

public interface DatabaseSimilarityQuery<O>
extends SimilarityQuery<O>

Run a database query in a database context.

Since:

0.4.0

Author:

Erich Schubert

Method Summary

Modifier and Type	Method	Description
default double	similarity(DBIDRef id1, O o2)	Returns the similarity between the two objects specified by their object ids.
default double	similarity(O o1, DBIDRef id2)	Returns the similarity between the two objects specified by their object ids.
default double	similarity(O o1, O o2)	Returns the similarity between the two objects specified by their object ids.

Methods inherited from interface elki.database.query.similarity.SimilarityQuery

getRelation, getSimilarity, similarity

Method Detail

similarity

default double similarity(O o1,
                          DBIDRef id2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

o1 - first object

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

similarity

default double similarity(DBIDRef id1,
                          O o2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

id1 - first object id

o2 - second object

Returns:

the similarity between the two objects specified by their object ids

similarity

default double similarity(O o1,
                          O o2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

o1 - first object

o2 - second object

Returns:

the similarity between the two objects specified by their object ids