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MALLET is a Java-based package for statistical natural language processing, document classification, clustering, topic modeling, information extraction, and other machine learning applications to text.

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/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   http://www.cs.umass.edu/~mccallum/mallet
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */
package cc.mallet.grmm.util;

import gnu.trove.THashMap;

import java.util.*;

/**
 * Version of THashMap where every key is mapped to a list of objects.
 * 
 * The put method adds a value to the list associated with a key, without
 * removing any previous values.
 * The get method returns the list of all objects associated with key.
 *  No effort is made to remove duplicates.
 *
 * Created: Dec 13, 2005
 *
 * @author 
        

            
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