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[DL-Learner SVN] SF.net SVN: dl-learner: [490] trunk/src/dl-learner/org/dllearner
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From: <jen...@us...> - 2008-02-04 18:56:24
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Revision: 490
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=490&view=rev
Author: jenslehmann
Date: 2008-02-04 10:56:10 -0800 (Mon, 04 Feb 2008)
Log Message:
-----------
started cross validator (not working yet)
Modified Paths:
--------------
trunk/src/dl-learner/org/dllearner/cli/Start.java
Added Paths:
-----------
trunk/src/dl-learner/org/dllearner/utilities/CrossValidation.java
Modified: trunk/src/dl-learner/org/dllearner/cli/Start.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/cli/Start.java 2008-02-04 14:54:07 UTC (rev 489)
+++ trunk/src/dl-learner/org/dllearner/cli/Start.java 2008-02-04 18:56:10 UTC (rev 490)
@@ -94,6 +94,10 @@
private static Logger logger = Logger.getRootLogger();
+ private LearningAlgorithm la;
+ private LearningProblem lp;
+ private ReasoningService rs;
+
/**
* Entry point for CLI interface.
*
@@ -101,12 +105,11 @@
*/
public static void main(String[] args) {
File file = new File(args[args.length - 1]);
- String baseDir = file.getParentFile().getPath();
-
+
boolean inQueryMode = false;
if (args.length > 1 && args[0].equals("-q"))
inQueryMode = true;
-
+
// create logger (a simple logger which outputs
// its messages to the console)
SimpleLayout layout = new SimpleLayout();
@@ -115,6 +118,17 @@
logger.addAppender(consoleAppender);
logger.setLevel(Level.INFO);
+ Start start = new Start(file);
+ start.start(inQueryMode);
+ }
+
+ /**
+ * Initialise all components based on conf file.
+ * @param file Conf file to read.
+ */
+ public Start(File file) {
+ String baseDir = file.getParentFile().getPath();
+
// create component manager instance
System.out.print("starting component manager ... ");
long cmStartTime = System.nanoTime();
@@ -161,12 +175,11 @@
ReasonerComponent reasoner = cm.reasoner(reasonerClass, sources);
configureComponent(cm, reasoner, componentPrefixMapping, parser);
initComponent(cm, reasoner);
- ReasoningService rs = cm.reasoningService(reasoner);
+ rs = cm.reasoningService(reasoner);
// step 3: detect learning problem
ConfFileOption problemOption = parser.getConfOptionsByName("problem");
Class<? extends LearningProblem> lpClass = null;
- LearningProblem lp = null;
if (problemOption == null || problemOption.getStringValue().equals("posNegDefinition"))
lpClass = PosNegDefinitionLP.class;
else if (problemOption.getStringValue().equals("posNegInclusion"))
@@ -187,7 +200,6 @@
// step 4: detect learning algorithm
ConfFileOption algorithmOption = parser.getConfOptionsByName("algorithm");
- LearningAlgorithm la = null;
Class<? extends LearningAlgorithm> laClass = null;
if (algorithmOption == null || algorithmOption.getStringValue().equals("refinement"))
laClass = ROLearner.class;
@@ -229,8 +241,10 @@
}
// handle any CLI options
- processCLIOptions(cm, parser, rs);
-
+ processCLIOptions(cm, parser, rs);
+ }
+
+ public void start(boolean inQueryMode) {
if (inQueryMode)
processQueryMode(lp, rs);
else {
@@ -240,10 +254,9 @@
long algDuration = System.nanoTime() - algStartTime;
printConclusions(rs, algDuration);
- }
-
+ }
}
-
+
// creates a mapping from components to option prefix strings
private static Map<Class<? extends Component>, String> createComponentPrefixMapping() {
Map<Class<? extends Component>, String> componentPrefixMapping = new HashMap<Class<? extends Component>, String>();
@@ -693,4 +706,8 @@
System.exit(0);
}
+ public LearningAlgorithm getLearningAlgorithm() {
+ return la;
+ }
+
}
Added: trunk/src/dl-learner/org/dllearner/utilities/CrossValidation.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/utilities/CrossValidation.java (rev 0)
+++ trunk/src/dl-learner/org/dllearner/utilities/CrossValidation.java 2008-02-04 18:56:10 UTC (rev 490)
@@ -0,0 +1,69 @@
+/**
+ * Copyright (C) 2007-2008, Jens Lehmann
+ *
+ * This file is part of DL-Learner.
+ *
+ * DL-Learner is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DL-Learner is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package org.dllearner.utilities;
+
+import java.io.File;
+
+import org.apache.log4j.ConsoleAppender;
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
+import org.apache.log4j.SimpleLayout;
+import org.dllearner.cli.Start;
+import org.dllearner.core.LearningAlgorithm;
+
+/**
+ * Performs cross validation for the given problem.
+ *
+ * @author Jens Lehmann
+ *
+ */
+public class CrossValidation {
+
+ private static Logger logger = Logger.getRootLogger();
+
+ public static void main(String[] args) {
+ File file = new File(args[0]);
+
+ int folds = 10;
+ if(args.length > 1)
+ folds = Integer.parseInt(args[1]);
+
+ // create logger (a simple logger which outputs
+ // its messages to the console)
+ SimpleLayout layout = new SimpleLayout();
+ ConsoleAppender consoleAppender = new ConsoleAppender(layout);
+ logger.removeAllAppenders();
+ logger.addAppender(consoleAppender);
+ logger.setLevel(Level.INFO);
+
+ new CrossValidation(file, folds);
+
+ }
+
+ public CrossValidation(File file, int folds) {
+ Start start = new Start(file);
+ LearningAlgorithm la = start.getLearningAlgorithm();
+
+ for(int currFold=0; currFold<folds; currFold++) {
+ la.start();
+ }
+ }
+
+}
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