diff --git a/AlgebraicDataflowArchitectureModel/.classpath b/AlgebraicDataflowArchitectureModel/.classpath
index 58dc636..5d3b090 100644
--- a/AlgebraicDataflowArchitectureModel/.classpath
+++ b/AlgebraicDataflowArchitectureModel/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk-13">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jre">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>
diff --git a/AlgebraicDataflowArchitectureModel/src/models/webServices/Service.java b/AlgebraicDataflowArchitectureModel/src/models/webServices/Service.java
new file mode 100644
index 0000000..98c87cd
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/webServices/Service.java
@@ -0,0 +1,44 @@
+package models.webServices;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import models.dataConstraintModel.IdentifierTemplate;
+
+public class Service {
+	private String name = null;
+	private ArrayList<IdentifierTemplate> identifireTemplates = null;
+
+	
+	/**
+	* [Constructor]
+	* identifireTemplates are Empty
+	* 
+	* @param name : it's Web services name.
+	*/
+	public Service(final String name) {
+		this.name = name;
+		this.identifireTemplates = new ArrayList<>();
+	}
+
+	/**
+	* [Constructor]
+	* @param name 				 : it's Web services name.
+	* @param identifierTemplates : the list of resources which formal model of DTRAM.
+	*/
+	public Service(final String name, final ArrayList<IdentifierTemplate> identifierTemplates) {
+		this.name = name;
+		this.identifireTemplates = identifierTemplates;
+	}
+	
+	/**
+	* getter
+	*/
+	public String getName() {
+		return this.name;
+	}
+	
+	public List<IdentifierTemplate> getIdentifierTemplates(){
+		return this.identifireTemplates;
+	}
+}
diff --git a/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServices.java b/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServices.java
new file mode 100644
index 0000000..b5f726c
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/webServices/WebServices.java
@@ -0,0 +1,27 @@
+package models.webServices;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import models.dataFlowModel.DataFlowModel;
+
+public class WebServices {
+	
+	private ArrayList<Service> services = null;
+	
+	/**
+	 * [Constructor]
+	 * @param dataFlowModel : get identifireTemplates and initialize each services
+	 */
+	public WebServices(final DataFlowModel dataFlowModel)
+	{
+		this.services = new ArrayList<>();
+	}
+	
+	/**
+	 * [getter]
+	 */
+	public List<Service> getServices(){
+		return this.services;
+	}
+}