001    /**
002     * Copyright (C) 2007-2011, 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     */
019    
020    package org.dllearner.utilities.examples;
021    
022    import java.util.SortedSet;
023    import java.util.TreeSet;
024    
025    import org.apache.log4j.Logger;
026    import org.dllearner.core.AbstractReasonerComponent;
027    import org.dllearner.core.owl.Description;
028    import org.dllearner.core.owl.Individual;
029    
030    public class AutomaticPositiveExampleFinderOWL {
031            
032            // LOGGER: ComponentManager
033            private static Logger logger = Logger
034                    .getLogger(AutomaticPositiveExampleFinderOWL.class);
035    
036            
037            private AbstractReasonerComponent reasoningService;
038            
039            private SortedSet<Individual> posExamples;
040            
041            public AutomaticPositiveExampleFinderOWL(AbstractReasonerComponent reasoningService) {
042            
043                    this.posExamples = new TreeSet<Individual>();
044                    this.reasoningService = reasoningService;
045            }
046            
047            //QUALITY resultsize is not accounted for
048            public void makePositiveExamplesFromConcept(Description concept){
049                    logger.debug("making Positive Examples from Concept: "+concept);
050                    this.posExamples.clear();
051                    this.posExamples.addAll(reasoningService.getIndividuals(concept));
052                    //this.posExamples = sparqltasks.retrieveInstancesForClassDescription(conceptKBSyntax, 0);
053                    logger.debug("pos Example size: "+posExamples.size());
054            }
055            
056            
057            public SortedSet<Individual> getPosExamples() {
058                    return posExamples;
059            }
060    
061    
062    
063    
064            
065    }