diff --git a/ch.psi.fda.core/pom.xml b/ch.psi.fda.core/pom.xml
index a1229ab..bf1c71b 100644
--- a/ch.psi.fda.core/pom.xml
+++ b/ch.psi.fda.core/pom.xml
@@ -11,6 +11,13 @@
 			<artifactId>guava</artifactId>
 			<version>15.0</version>
 		</dependency>
+		
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.8.2</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/LinePlot.java b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/LinePlot.java
new file mode 100644
index 0000000..05ae0c9
--- /dev/null
+++ b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/LinePlot.java
@@ -0,0 +1,19 @@
+package ch.psi.fda.vdescriptor;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name="lineplot")
+public class LinePlot extends Plot {
+	private List<Series> data;
+
+	@XmlElement
+	public List<Series> getData() {
+		return data;
+	}
+	public void setData(List<Series> data) {
+		this.data = data;
+	}
+}
diff --git a/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/MatrixPlot.java b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/MatrixPlot.java
new file mode 100644
index 0000000..3f64b25
--- /dev/null
+++ b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/MatrixPlot.java
@@ -0,0 +1,18 @@
+package ch.psi.fda.vdescriptor;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name="matrixplot")
+public class MatrixPlot extends Plot {
+	
+	private List<Series> data;
+
+	public List<Series> getData() {
+		return data;
+	}
+	public void setData(List<Series> data) {
+		this.data = data;
+	}
+}
diff --git a/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Plot.java b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Plot.java
new file mode 100644
index 0000000..fdaa270
--- /dev/null
+++ b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Plot.java
@@ -0,0 +1,10 @@
+package ch.psi.fda.vdescriptor;
+
+import javax.xml.bind.annotation.XmlSeeAlso;
+import javax.xml.bind.annotation.XmlTransient;
+
+
+@XmlSeeAlso({LinePlot.class, MatrixPlot.class})
+@XmlTransient
+public abstract class Plot {
+}
diff --git a/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Series.java b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Series.java
new file mode 100644
index 0000000..8ac9a25
--- /dev/null
+++ b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/Series.java
@@ -0,0 +1,32 @@
+package ch.psi.fda.vdescriptor;
+
+import javax.xml.bind.annotation.XmlAttribute;
+
+public class Series {
+	
+	private String x = null;
+	private String y = null;
+	private String z = null;
+	
+	@XmlAttribute
+	public String getX() {
+		return x;
+	}
+	public void setX(String x) {
+		this.x = x;
+	}
+	@XmlAttribute
+	public String getY() {
+		return y;
+	}
+	public void setY(String y) {
+		this.y = y;
+	}
+	@XmlAttribute
+	public String getZ() {
+		return z;
+	}
+	public void setZ(String z) {
+		this.z = z;
+	}
+}
diff --git a/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/VDescriptor.java b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/VDescriptor.java
new file mode 100644
index 0000000..7637703
--- /dev/null
+++ b/ch.psi.fda.core/src/main/java/ch/psi/fda/vdescriptor/VDescriptor.java
@@ -0,0 +1,27 @@
+package ch.psi.fda.vdescriptor;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlElements;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name="vdescriptor")
+public class VDescriptor {
+	
+	private List<Plot> plots;
+
+	@XmlElementWrapper
+	@XmlElements({
+        @XmlElement(name="lineplot",type=LinePlot.class),
+        @XmlElement(name="matrixplot",type=MatrixPlot.class),
+    })
+	public List<Plot> getPlots() {
+		return plots;
+	}
+
+	public void setPlots(List<Plot> plots) {
+		this.plots = plots;
+	}
+}
diff --git a/ch.psi.fda.core/src/test/java/ch/psi/fda/vdescriptor/VDescriptorTest.java b/ch.psi.fda.core/src/test/java/ch/psi/fda/vdescriptor/VDescriptorTest.java
new file mode 100644
index 0000000..88e34a8
--- /dev/null
+++ b/ch.psi.fda.core/src/test/java/ch/psi/fda/vdescriptor/VDescriptorTest.java
@@ -0,0 +1,40 @@
+package ch.psi.fda.vdescriptor;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.util.logging.Logger;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Unmarshaller;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class VDescriptorTest {
+	
+	private static final Logger logger = Logger.getLogger(VDescriptorTest.class.getName());
+
+	@Before
+	public void setUp() throws Exception {
+	}
+
+	@After
+	public void tearDown() throws Exception {
+	}
+
+	@Test
+	public void test() throws JAXBException {
+		JAXBContext context = JAXBContext.newInstance(VDescriptor.class);
+		Unmarshaller u = context.createUnmarshaller();
+		
+		VDescriptor descriptor = (VDescriptor) u.unmarshal(new File("src/test/resources/vdescriptor.xml"));
+		for(Plot p: descriptor.getPlots()){
+			logger.info(p.getClass().getName());
+		}
+		
+	}
+
+}
diff --git a/ch.psi.fda.core/src/test/resources/vdescriptor.xml b/ch.psi.fda.core/src/test/resources/vdescriptor.xml
new file mode 100644
index 0000000..5f6ca31
--- /dev/null
+++ b/ch.psi.fda.core/src/test/resources/vdescriptor.xml
@@ -0,0 +1,15 @@
+<vdescriptor>
+	<plots>
+		<lineplot>
+			<data>
+				<series x="A" y="B" />
+				<series x="A" y="C" />
+			</data>
+		</lineplot>
+		<matrixplot>
+			<data>
+				<series x="A" y="B" z="X" />
+			</data>
+		</matrixplot>
+	</plots>
+</vdescriptor>
\ No newline at end of file