BotSharp/BotSharp.NLP/Models/Entropy/BasicContextGenerator.cs

71 lines
2.6 KiB
C#

//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 BasicContextGenerator.java source file found in the
//original java implementation of MaxEnt. That source file contains the following header:
// Copyright (C) 2001 Jason Baldridge
//
// 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 BotSharp.Models
{
/// <summary>
/// Generate contexts for maxent decisions, assuming that the input
/// given to the GetContext() method is a string containing contextual
/// predicates separated by spaces, e.g:
/// <p>
/// cp_1 cp_2 ... cp_n
/// </p>
/// </summary>
/// <author>
/// Jason Baldridge
/// </author>
/// <author>
/// Richard J. Northedge
/// </author>
/// <version>based on BasicContextGenerator.java, $Revision: 1.2 $, $Date: 2002/04/30 08:48:35 $
/// </version>
public class BasicContextGenerator : IContextGenerator<string>
{
/// <summary>
/// Builds up the list of contextual predicates given a string.
/// </summary>
/// <param name="input">
/// string with contextual predicates separated by spaces.
/// </param>
/// <returns>string array of contextual predicates.</returns>
public virtual string[] GetContext(string input)
{
return input.Split(' ');
}
}
}