Initial.

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="lib" path="lib/jWordSplitter.jar"/>
+	<classpathentry kind="lib" path="lib/morfologik-stemming-nodict-1.4.0.jar"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>compound-splitter</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

src/SplitterTest.java

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+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import de.abelssoft.wordtools.jWordSplitter.impl.GermanWordSplitter;
+
+public class SplitterTest
+{
+    public static interface Decompounder
+    {
+        public String split(String in);
+    }
+
+    public static class JWordSplitterDecompounder implements Decompounder
+    {
+        private GermanWordSplitter wordSplitter;
+
+        JWordSplitterDecompounder()
+        {
+            try
+            {
+                wordSplitter = new GermanWordSplitter(false);
+                wordSplitter.setStrictMode(true);
+                wordSplitter.setMinimumWordLength(3);
+            }
+            catch (IOException e)
+            {
+                throw new RuntimeException(e);
+            }
+        }
+
+        @Override
+        public String split(String in)
+        {
+            StringBuilder b = new StringBuilder();
+            for (String s : wordSplitter.splitWord(in))
+            {
+                if (b.length() > 0) b.append("+");
+                b.append(s);
+            }
+
+            return b.toString();
+        }
+    }
+
+    public static void main(String [] args) throws Exception
+    {
+        Decompounder decompounder = new JWordSplitterDecompounder();
+
+        ClassLoader cl = Thread.currentThread().getContextClassLoader();
+        BufferedReader reader = new BufferedReader(new InputStreamReader(
+            cl.getResourceAsStream("ccorpus.txt"), "UTF-8"));
+
+        int instances = 0;
+        int correct = 0;
+
+        String line;
+        while ((line = reader.readLine()) != null)
+        {
+            String [] parts = line.split("\\s");
+            String compound = parts[0];
+
+            String decomposed = parts[1];
+            decomposed = decomposed.replaceAll("\\{[^\\}]+\\}", "");
+            decomposed = decomposed.replaceAll("[\\(\\)]", "");
+            decomposed = decomposed.replaceAll("\\,[a-z]+", "");
+            decomposed = decomposed.replace("|", "");
+            decomposed = decomposed.replace("U", "ü");
+            decomposed = decomposed.replace("A", "ä");
+
+            // mediengestalter
+            // minimal+ausführung minima+laus+führung
+            String result = decompounder.split(compound);
+
+            instances++;
+            if (result.equals(decomposed))
+            {
+                correct++;
+            }
+            else
+            {
+                System.out.println(decomposed + " " + result);
+            }
+        }
+
+        System.out.println("Instances: " + instances);
+        System.out.println("Correct: " + correct + " (" + (correct * 100.0 / instances)
+            + "%)");
+    }
+}