org.apache.spark.mllib.feature

Class Word2VecModel

Object

org.apache.spark.mllib.feature.Word2VecModel

All Implemented Interfaces:

java.io.Serializable

public class Word2VecModel
extends Object
implements scala.Serializable

:: Experimental :: Word2Vec model

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Word2VecModel(scala.collection.immutable.Map<String,float[]> model)

Method Summary

Methods

Modifier and Type	Method and Description
scala.Tuple2<String,Object>[]	findSynonyms(String word, int num) Find synonyms of a word
scala.Tuple2<String,Object>[]	findSynonyms(Vector vector, int num) Find synonyms of the vector representation of a word
scala.collection.immutable.Map<String,float[]>	getVectors() Returns a map of words to their vector representations.
Vector	transform(String word) Transforms a word to its vector representation

Methods inherited from class Object

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

Constructor Detail

Word2VecModel

public Word2VecModel(scala.collection.immutable.Map<String,float[]> model)

Method Detail

transform

public Vector transform(String word)

Transforms a word to its vector representation

Parameters:

word - a word

Returns:

vector representation of word

findSynonyms

public scala.Tuple2<String,Object>[] findSynonyms(String word,
                                         int num)

Find synonyms of a word

Parameters:

word - a word

num - number of synonyms to find

Returns:

array of (word, cosineSimilarity)

findSynonyms

public scala.Tuple2<String,Object>[] findSynonyms(Vector vector,
                                         int num)

Find synonyms of the vector representation of a word

Parameters:

vector - vector representation of a word

num - number of synonyms to find

Returns:

array of (word, cosineSimilarity)

getVectors

public scala.collection.immutable.Map<String,float[]> getVectors()

Returns a map of words to their vector representations.