de.jungblut.datastructure

Interface InvertedIndex.DocumentDistanceMeasurer<DOCUMENT_TYPE,KEY_TYPE>

Type Parameters:

DOCUMENT_TYPE - the type of the documents to index.

KEY_TYPE - the look-up-able part of the document.

All Known Implementing Classes:

VectorDocumentDistanceMeasurer

Enclosing class:

InvertedIndex<DOCUMENT_TYPE,KEY_TYPE>

public static interface InvertedIndex.DocumentDistanceMeasurer<DOCUMENT_TYPE,KEY_TYPE>

Measurer that measures distance of two documents.

Method Summary

Modifier and Type	Method and Description
double	measure(DOCUMENT_TYPE reference, Set<KEY_TYPE> referenceKeys, DOCUMENT_TYPE doc, Set<KEY_TYPE> docKeys) Measures the distance (value between 0.0 and 1.0) between a reference document and a candidate document.

Method Detail

measure

double measure(DOCUMENT_TYPE reference,
               Set<KEY_TYPE> referenceKeys,
               DOCUMENT_TYPE doc,
               Set<KEY_TYPE> docKeys)

Measures the distance (value between 0.0 and 1.0) between a reference document and a candidate document.

Parameters:

reference - the reference document.

referenceKeys - the reference document key parts.

doc - the candidate document.

docKeys - the candidate document key parts.

Returns:

a value between 0d and 1d where 0d is most similar.