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[DL-Learner SVN] SF.net SVN: dl-learner: [847] trunk/src/dl-learner/org/dllearner/algorithms /DBpediaNavigationSuggestor.java
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From: <sk...@us...> - 2008-05-14 16:16:07
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Revision: 847
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=847&view=rev
Author: sknappe
Date: 2008-05-14 09:15:43 -0700 (Wed, 14 May 2008)
Log Message:
-----------
Modified Paths:
--------------
trunk/src/dl-learner/org/dllearner/algorithms/DBpediaNavigationSuggestor.java
Modified: trunk/src/dl-learner/org/dllearner/algorithms/DBpediaNavigationSuggestor.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/algorithms/DBpediaNavigationSuggestor.java 2008-05-14 16:09:37 UTC (rev 846)
+++ trunk/src/dl-learner/org/dllearner/algorithms/DBpediaNavigationSuggestor.java 2008-05-14 16:15:43 UTC (rev 847)
@@ -24,18 +24,25 @@
import java.util.LinkedList;
import java.util.SortedSet;
+import org.dllearner.algorithms.refexamples.ExampleBasedROLComponent;
+import org.dllearner.algorithms.refexamples.ExampleBasedROLearner;
import org.dllearner.core.ComponentInitException;
import org.dllearner.core.LearningAlgorithm;
import org.dllearner.core.LearningProblem;
import org.dllearner.core.ReasoningService;
import org.dllearner.core.Score;
+import org.dllearner.core.config.BooleanConfigOption;
+import org.dllearner.core.config.CommonConfigOptions;
import org.dllearner.core.config.ConfigEntry;
import org.dllearner.core.config.ConfigOption;
+import org.dllearner.core.config.DoubleConfigOption;
+import org.dllearner.core.config.IntegerConfigOption;
import org.dllearner.core.config.InvalidConfigOptionValueException;
import org.dllearner.core.config.StringConfigOption;
import org.dllearner.core.owl.Description;
import org.dllearner.core.owl.Individual;
import org.dllearner.learningproblems.PosNegDefinitionLP;
+import org.dllearner.learningproblems.PosNegLP;
import org.dllearner.learningproblems.PosOnlyDefinitionLP;
/**
@@ -51,10 +58,18 @@
public class DBpediaNavigationSuggestor extends LearningAlgorithm {
private ReasoningService rs;
- private String filename;
+ private ExampleBasedROLComponent learner;
+ private static String defaultSearchTreeFile = "log/searchTree.txt";
public DBpediaNavigationSuggestor(LearningProblem learningProblem, ReasoningService rs) {
this.rs=rs;
+ if(learningProblem instanceof PosNegLP) {
+ PosNegLP lp = (PosNegLP) learningProblem;
+ this.learner=new ExampleBasedROLComponent(lp, rs);
+ } else if(learningProblem instanceof PosOnlyDefinitionLP) {
+ PosOnlyDefinitionLP lp = (PosOnlyDefinitionLP) learningProblem;
+ this.learner=new ExampleBasedROLComponent(lp, rs);
+ }
}
public static Collection<Class<? extends LearningProblem>> supportedLearningProblems() {
@@ -73,7 +88,41 @@
public static Collection<ConfigOption<?>> createConfigOptions() {
Collection<ConfigOption<?>> options = new LinkedList<ConfigOption<?>>();
- options.add(new StringConfigOption("dumpFileName", "name of the file for the dump"));
+ options.add(new BooleanConfigOption("writeSearchTree", "specifies whether to write a search tree", false));
+ options.add(new StringConfigOption("searchTreeFile","file to use for the search tree", defaultSearchTreeFile));
+ options.add(new BooleanConfigOption("replaceSearchTree","specifies whether to replace the search tree in the log file after each run or append the new search tree", false));
+ StringConfigOption heuristicOption = new StringConfigOption("heuristic", "specifiy the heuristic to use", "lexicographic");
+ heuristicOption.setAllowedValues(new String[] {"lexicographic", "flexible"});
+ options.add(heuristicOption);
+ options.add(new BooleanConfigOption("applyAllFilter", "usage of equivalence ALL R.C AND ALL R.D = ALL R.(C AND D)", true));
+ options.add(new BooleanConfigOption("applyExistsFilter", "usage of equivalence EXISTS R.C OR EXISTS R.D = EXISTS R.(C OR D)", true));
+ options.add(new BooleanConfigOption("useTooWeakList", "try to filter out too weak concepts without sending them to the reasoner", true));
+ options.add(new BooleanConfigOption("useOverlyGeneralList", "try to find overly general concept without sending them to the reasoner", true));
+ options.add(new BooleanConfigOption("useShortConceptConstruction", "shorten concept to see whether they already exist", true));
+ DoubleConfigOption horizExp = new DoubleConfigOption("horizontalExpansionFactor", "horizontal expansion factor (see publication for description)", 0.6);
+ horizExp.setLowerLimit(0.0);
+ horizExp.setUpperLimit(1.0);
+ options.add(horizExp);
+ options.add(new BooleanConfigOption("improveSubsumptionHierarchy", "simplify subsumption hierarchy to reduce search space (see publication for description)", true));
+ // allowed/ignored concepts/roles could also be a reasoner option (?)
+ options.add(CommonConfigOptions.allowedConcepts());
+ options.add(CommonConfigOptions.ignoredConcepts());
+ options.add(CommonConfigOptions.allowedRoles());
+ options.add(CommonConfigOptions.ignoredRoles());
+ options.add(CommonConfigOptions.useAllConstructor());
+ options.add(CommonConfigOptions.useExistsConstructor());
+ options.add(CommonConfigOptions.useCardinalityRestrictions());
+ options.add(CommonConfigOptions.useNegation());
+ options.add(CommonConfigOptions.useBooleanDatatypes());
+ options.add(CommonConfigOptions.maxExecutionTimeInSeconds());
+ options.add(CommonConfigOptions.minExecutionTimeInSeconds());
+ options.add(CommonConfigOptions.guaranteeXgoodDescriptions());
+ options.add(CommonConfigOptions.getLogLevel());
+ DoubleConfigOption noisePercentage = new DoubleConfigOption("noisePercentage", "the (approximated) percentage of noise within the examples");
+ noisePercentage.setLowerLimit(0);
+ noisePercentage.setUpperLimit(100);
+ options.add(noisePercentage);
+ options.add(new StringConfigOption("startClass", "the named class which should be used to start the algorithm (GUI: needs a widget for selecting a class)"));
return options;
}
@@ -82,41 +131,32 @@
*/
@Override
public <T> void applyConfigEntry(ConfigEntry<T> entry) throws InvalidConfigOptionValueException {
- String name = entry.getOptionName();
- if (name.equals("dumpFileName"))
- filename = (String) entry.getValue();
+ learner.applyConfigEntry(entry);
}
@Override
public void init() throws ComponentInitException {
- // TODO Auto-generated method stub
- SortedSet<Individual> list=rs.getIndividuals();
- Iterator<Individual> iter=list.iterator();
- while (iter.hasNext())
- System.out.println(iter.next().toString());
+ learner.init();
}
@Override
public void start() {
- // TODO Auto-generated method stub
+ learner.start();
}
@Override
public void stop() {
- // TODO Auto-generated method stub
-
+ learner.stop();
}
@Override
public Description getBestSolution() {
- // TODO Auto-generated method stub
- return null;
+ return learner.getBestSolution();
}
@Override
public Score getSolutionScore() {
- // TODO Auto-generated method stub
- return null;
+ return learner.getSolutionScore();
}
}
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