Package 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 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	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	Description
AllPhrases()

Method Summary

Modifier and Type	Method	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 Details

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 Details

AllPhrases

public AllPhrases()

Method Details

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.