/*
* Carrot2 project.
*
* Copyright (C) 2002-2016, Dawid Weiss, Stanisław Osiński.
* All rights reserved.
*
* Refer to the full license file "carrot2.LICENSE"
* in the root folder of the repository checkout or at:
* http://www.carrot2.org/carrot2.LICENSE
*/
package org.carrot2.text.linguistic;
import org.carrot2.text.util.MutableCharArray;
/**
* Additional lexical information for a given language.
*/
public interface ILexicalData
{
/**
* @return Returns <code>true</code> if <code>word</code> is common (meaningless) in
* this language. Such words are referred to as "stop words" and are usually
* ignored in information retrieval tasks. Depending on the implementation,
* <code>word</code> may be lower-cased internally.
*/
public boolean isCommonWord(MutableCharArray word);
/**
* @return Returns <code>true</code> if the <code>formattedLabel</code> has been
* declared a stop label (meaningless) in this language. This is a very
* low-level tuning method.
*/
public boolean isStopLabel(CharSequence formattedLabel);
}