Package elki.index

Interface SimilarityRangeIndex<O>

Type Parameters:

O - Database Object type

All Superinterfaces:

Index

All Known Implementing Classes:

PrecomputedSimilarityMatrix

public interface SimilarityRangeIndex<O>
extends Index

Index with support for similarity range queries.

Since:

0.4.0

Author:

Erich Schubert

Method Summary

Modifier and Type	Method	Description
RangeSearcher<DBIDRef>	similarityRangeByDBID(SimilarityQuery<O> simQuery, double maxrange, int flags)	Get a range query object for the given distance query and k.
RangeSearcher<O>	similarityRangeByObject(SimilarityQuery<O> simQuery, double maxrange, int flags)	Get a range query object for the given distance query and k.

Methods inherited from interface elki.index.Index

initialize, logStatistics

Method Detail

similarityRangeByObject

RangeSearcher<O> similarityRangeByObject(SimilarityQuery<O> simQuery,
                                         double maxrange,
                                         int flags)

Get a range query object for the given distance query and k.

This function MAY return null, when the given distance is not supported!

Parameters:

simQuery - Similarity query

maxrange - Maximum range

flags - Hints for the optimizer

Returns:

KNN Query object or null

similarityRangeByDBID

RangeSearcher<DBIDRef> similarityRangeByDBID(SimilarityQuery<O> simQuery,
                                             double maxrange,
                                             int flags)

Get a range query object for the given distance query and k.

This function MAY return null, when the given distance is not supported!

Parameters:

simQuery - Similarity query

maxrange - Maximum range

flags - Hints for the optimizer

Returns:

KNN Query object or null