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.utilities.examples; 020 021import java.util.SortedSet; 022import java.util.TreeSet; 023 024import org.apache.log4j.Logger; 025import org.dllearner.kb.sparql.SPARQLTasks; 026 027public class AutomaticPositiveExampleFinderSPARQL { 028 029 // LOGGER 030 private static Logger logger = Logger 031 .getLogger(AutomaticPositiveExampleFinderSPARQL.class); 032 033 034 private SPARQLTasks sparqltasks; 035 036 private SortedSet<String> posExamples; 037 038 public AutomaticPositiveExampleFinderSPARQL(SPARQLTasks st) { 039 super(); 040 041 this.posExamples = new TreeSet<>(); 042 this.sparqltasks = st; 043 } 044 045 //QUALITY resultsize is not accounted for 046 public void makePositiveExamplesFromConcept(String conceptKBSyntax){ 047 logger.debug("making Positive Examples from Concept: "+conceptKBSyntax); 048 this.posExamples = sparqltasks.retrieveInstancesForClassDescription(conceptKBSyntax, 0); 049 logger.debug(" pos Example size: "+posExamples.size()); 050 } 051 052 053 //QUALITY resultsize is not accounted for 054 public void makePositiveExamplesFromRoleAndObject(String role, String object){ 055 logger.debug("making Positive Examples from role: "+role+" and object: "+object); 056 this.posExamples = sparqltasks.retrieveDISTINCTSubjectsForRoleAndObject(role, object, 0); 057 logger.debug(" pos Example size: "+posExamples.size()); 058 } 059 060 //QUALITY resultsize is not accounted for 061 public void makePositiveExamplesFromSKOSConcept(String SKOSConcept){ 062 logger.debug("making Positive Examples from SKOSConcept: "+SKOSConcept); 063 this.posExamples = sparqltasks.retrieveInstancesForSKOSConcept(SKOSConcept, 0); 064 logger.debug("pos Example size: "+posExamples.size()); 065 } 066 067 public void makePositiveExamplesFromDomain(String role, int resultLimit){ 068 logger.debug("making Positive Examples from Domain of : "+role); 069 this.posExamples.addAll(sparqltasks.getDomainInstances(role, resultLimit)); 070 logger.debug("pos Example size: "+posExamples.size()); 071 } 072 073 public void makePositiveExamplesFromRange(String role, int resultLimit){ 074 logger.debug("making Positive Examples from Range of : "+role); 075 this.posExamples.addAll(sparqltasks.getRangeInstances(role, resultLimit)); 076 logger.debug("pos Example size: "+posExamples.size()); 077 } 078 079 080 public SortedSet<String> getPosExamples() { 081 return posExamples; 082 } 083 084 085 086 087 088}