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 // RMExpander 00014 // 00015 // 18 Aug 2004 -- dam 00016 // 00017 00018 #ifndef INDRI_RMEXPANDER_HPP 00019 #define INDRI_RMEXPANDER_HPP 00020 00021 #include <string> 00022 #include <vector> 00023 #include <map> 00024 00025 #include "indri/QueryExpander.hpp" 00026 #include "indri/QueryEnvironment.hpp" 00027 #include "indri/Parameters.hpp" 00028 namespace indri 00029 { 00030 namespace query 00031 { 00032 00033 class RMExpander : public QueryExpander { 00034 public: 00035 RMExpander( indri::api::QueryEnvironment * env , indri::api::Parameters& param ); 00036 00037 virtual std::string expand( std::string originalQuery , std::vector<indri::api::ScoredExtentResult>& results ); 00038 }; 00039 } 00040 } 00041 00042 #endif
1.3.4