weka.core.stemmers

Class SCStemmer

java.lang.Object

weka.core.stemmers.SCStemmer

All Implemented Interfaces:

java.io.Serializable, weka.core.RevisionHandler, weka.core.stemmers.Stemmer

Direct Known Subclasses:

LjubesicPandzicStemmer, SerbianStemmer

public abstract class SCStemmer
extends java.lang.Object
implements weka.core.stemmers.Stemmer

Osnovna apstraktna klasa za funkcije zajedničke za sve stemere za srpski i hrvatski

The basic abstract class for the functions common to all stemmers for Serbian and Croatian

Author:

Vuk Batanović

See Also:

Reliable Baselines for Sentiment Analysis in Resource-Limited Languages: The Serbian Movie Review Dataset, Vuk Batanović, Boško Nikolić, Milan Milosavljević, in Proceedings of the 10th International Conference on Language Resources and Evaluation (LREC 2016), pp. 2688-2696, Portorož, Slovenia (2016).
https://github.com/vukbatanovic/SCStemmers
, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
SCStemmer()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getRevision()
protected abstract void	initRules() Inicijalizuje pravila za stemovanje
static void	main(java.lang.String[] args)
private static void	printCorrectUsage() Ispisuje uputstvo za korišćenje SCStemmers paketa iz komandne linije
void	replaceSpaceWithNewLine(java.lang.String fileInput, java.lang.String fileOutput) Olakšava poređenje stemovanih fajlova sa izlazom nekih izvornih implementacija tako što upisuje svaki token u poseban red izlaznog fajla
java.lang.String	stem(java.lang.String word) Implementira interfejs iz Weka paketa
void	stemFile(java.lang.String fileInput, java.lang.String fileOutput) Stemuje sadržaj ulaznog fajla i upisuje stemovani sadržaj u izlazni fajl
abstract java.lang.String	stemLine(java.lang.String line)
java.lang.String	stemText(java.lang.String text) Stemuje string koji sadrži više linija teksta
abstract java.lang.String	stemWord(java.lang.String word)

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

SCStemmer

public SCStemmer()

Method Detail

stem

public java.lang.String stem(java.lang.String word)

Implementira interfejs iz Weka paketa

Implements the interface given by Weka

Specified by:

stem in interface weka.core.stemmers.Stemmer

getRevision

public java.lang.String getRevision()

Specified by:

getRevision in interface weka.core.RevisionHandler

replaceSpaceWithNewLine

public void replaceSpaceWithNewLine(java.lang.String fileInput,
                                    java.lang.String fileOutput)

Olakšava poređenje stemovanih fajlova sa izlazom nekih izvornih implementacija tako što upisuje svaki token u poseban red izlaznog fajla

Makes it easier to compare stemmed files with the output of some of the original implementations by writing every token in a separate line of the output file

Parameters:

fileInput - Ime ulaznog fajla u kome je tekst normalno napisan.
The name of the input file in which the text is normally written.

fileOutput - Ime izlaznog fajla u kome tekst treba da bude napisan tako da svaka reč bude u posebnom redu.
The name of the output file in which text should be written one word per line.

stemWord

public abstract java.lang.String stemWord(java.lang.String word)

stemLine

public abstract java.lang.String stemLine(java.lang.String line)

stemText

public java.lang.String stemText(java.lang.String text)

Stemuje string koji sadrži više linija teksta

Stems a string which contains multiple lines of text

Parameters:

text - String koji sadrži više linija teksta
The string which contains multiple lines of text

Returns:

String koji sadrži više linija teksta sa stemovanim rečima
The string which contains multiple lines of text with stemmed words

stemFile

public void stemFile(java.lang.String fileInput,
                     java.lang.String fileOutput)
              throws java.io.IOException

Stemuje sadržaj ulaznog fajla i upisuje stemovani sadržaj u izlazni fajl

Stems the contents of the input file and writes them into the output file

Parameters:

fileInput - Ime ulaznog fajla
The name of the input file

fileOutput - Ime izlaznog fajla
The name of the output file

Throws:

java.io.IOException - Označava grešku pri radu sa fajlom
Signals an error during file operation

initRules

protected abstract void initRules()

Inicijalizuje pravila za stemovanje

Initializes the stemming rules

printCorrectUsage

private static void printCorrectUsage()

Ispisuje uputstvo za korišćenje SCStemmers paketa iz komandne linije

Prints the instructions for using the SCStemmers package from the command line

main

public static void main(java.lang.String[] args)