de.jungblut.nlp

Class SparseVectorDocumentMapper

java.lang.Object

de.jungblut.nlp.SparseVectorDocumentMapper

All Implemented Interfaces:

InvertedIndex.DocumentMapper<de.jungblut.math.DoubleVector,Integer>

public final class SparseVectorDocumentMapper
extends Object
implements InvertedIndex.DocumentMapper<de.jungblut.math.DoubleVector,Integer>

Mapper that maps sparse vectors into a set of their indices so they can be used in the InvertedIndex for fast lookup.

Author:

thomas.jungblut

Constructor Summary

Constructors

Constructor and Description
SparseVectorDocumentMapper()

Method Summary

Modifier and Type	Method and Description
Set<Integer>	mapDocument(de.jungblut.math.DoubleVector v) Maps the document into its smaller parts.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SparseVectorDocumentMapper

public SparseVectorDocumentMapper()

Method Detail

mapDocument

public Set<Integer> mapDocument(de.jungblut.math.DoubleVector v)

Description copied from interface: InvertedIndex.DocumentMapper

Maps the document into its smaller parts.

Specified by:

mapDocument in interface InvertedIndex.DocumentMapper<de.jungblut.math.DoubleVector,Integer>

Parameters:

v - the document to map.

Returns:

a set of keys that this document consists of.