//Copyright (C) 2005 Richard J. Northedge
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//This file is based on the EnglishPOSTaggerME.java source file found in the
//original java implementation of OpenNLP. That source file contains the following header:
// Copyright (C) 2004 Jason Baldridge, Gann Bierner, and Tom Morton
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
using System;
namespace OpenNLP.Tools.PosTagger
{
/// <summary>
/// A part of speech tagger that uses a model trained on English data from the
/// Wall Street Journal and the Brown corpus. The latest model created
/// achieved >96% accuracy on unseen data.
/// </summary>
public class EnglishMaximumEntropyPosTagger : MaximumEntropyPosTagger
{
public EnglishMaximumEntropyPosTagger(string modelFile, PosLookupList dictionary) : base(GetModel(modelFile), new DefaultPosContextGenerator(), dictionary)
{
}
public EnglishMaximumEntropyPosTagger(string modelFile, string dictionary) : base(GetModel(modelFile), new DefaultPosContextGenerator(), new PosLookupList(dictionary))
{
}
public EnglishMaximumEntropyPosTagger(string modelFile) : base(GetModel(modelFile), new DefaultPosContextGenerator())
{
}
private static SharpEntropy.IMaximumEntropyModel GetModel(string name)
{
return new SharpEntropy.GisModel(new SharpEntropy.IO.BinaryGisModelReader(name));
}
}
}