org.carrot2.text.preprocessing

Class PreprocessingContext.AllPhrases

java.lang.Object

org.carrot2.text.preprocessing.PreprocessingContext.AllPhrases

Enclosing class:

PreprocessingContext

public class PreprocessingContext.AllPhrases
extends Object

Information about all frequently appearing sequences of words found in the input PreprocessingContext.documents. Each entry in each array corresponds to one sequence.

All arrays in this class have the same length and values across different arrays correspond to each other for the same index.

Field Summary

Fields

Modifier and Type	Field and Description
int[]	tf Term frequency of the phrase.
int[][]	tfByDocument Term frequency of the phrase for each document.
int[][]	wordIndices Pointers to PreprocessingContext.AllWords for each word in the phrase sequence.

Constructor Summary

Constructors

Constructor and Description
PreprocessingContext.AllPhrases()

Method Summary

Methods

Modifier and Type	Method and Description
CharSequence	getPhrase(int index) Returns space-separated words that constitute this phrase.
int	size() Returns length of all arrays in this PreprocessingContext.AllPhrases.
String	toString() For debugging purposes.

Methods inherited from class java.lang.Object

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

Field Detail

wordIndices

public int[][] wordIndices

Pointers to PreprocessingContext.AllWords for each word in the phrase sequence.

This array is produced by PhraseExtractor.

tf

public int[] tf

Term frequency of the phrase.

This array is produced by PhraseExtractor.

tfByDocument

public int[][] tfByDocument

Term frequency of the phrase for each document. The encoding of this array is similar to PreprocessingContext.AllWords.tfByDocument: consecutive pairs of: document index, frequency.

This array is produced by PhraseExtractor. The order of documents in this array is not defined.

Constructor Detail

PreprocessingContext.AllPhrases

public PreprocessingContext.AllPhrases()

Method Detail

toString

public String toString()

For debugging purposes.

Overrides:

toString in class Object

getPhrase

public CharSequence getPhrase(int index)

Returns space-separated words that constitute this phrase.

size

public int size()

Returns length of all arrays in this PreprocessingContext.AllPhrases.