00001 /*========================================================================== 00002 * Copyright (c) 2004 University of Massachusetts. All Rights Reserved. 00003 * 00004 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval 00005 * is subject to the terms of the software license set forth in the LICENSE 00006 * file included with this software, and also available at 00007 * http://www.lemurproject.org/license.html 00008 * 00009 *========================================================================== 00010 */ 00011 00012 00013 // 00014 // TermScoreFunction 00015 // 00016 // 23 January 2004 -- tds 00017 // 00018 00019 #ifndef INDRI_TERMSCOREFUNCTION_HPP 00020 #define INDRI_TERMSCOREFUNCTION_HPP 00021 00027 class TermScoreFunction { 00028 public: 00029 virtual double scoreOccurrence( int occurrences, int contextLength ) = 0; 00030 virtual double scoreOccurrence( int occurrences, int contextLength, int documentOccurrences, int documentLength ) = 0; 00031 }; 00032 00033 #endif // INDRI_TERMSCOREFUNCTION_HPP 00034
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