001/**
002 * Copyright (C) 2007 - 2016, Jens Lehmann
003 *
004 * This file is part of DL-Learner.
005 *
006 * DL-Learner is free software; you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation; either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * DL-Learner is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018 */
019package org.dllearner.core;
020
021import java.util.List;
022
023/**
024 * Basic interface for algorithms learning SPARQL queries.
025 * 
026 * TODO: Check whether it is necessary to have a "real" SPARQL query class instead of 
027 * only a string.
028 * 
029 * @author Jens Lehmann
030 *
031 */
032public interface SparqlQueryLearningAlgorithm extends LearningAlgorithm {
033
034        /**
035         * @param nrOfSPARQLQueries Limit for the number or returned SPARQL queries.
036         * @return The best SPARQL queries found by the learning algorithm so far.
037         */
038        List<String> getCurrentlyBestSPARQLQueries(int nrOfSPARQLQueries);
039        
040        String getBestSPARQLQuery();
041        
042        
043        
044}