diff --git a/pom.xml b/pom.xml
index 3d4f79e..ab70632 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,11 +49,21 @@
 	</dependencyManagement>
 
 	<dependencies>
+		<dependency>
+			<groupId>org.gcube.socialnetworking</groupId>
+			<artifactId>social-data-indexing-common</artifactId>
+			<version>[1.0.0-SNAPSHOT, 2.0.0-SNAPSHOT)</version>
+		</dependency>
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
 			<version>4.8</version>
 		</dependency>
+		<dependency>
+			<groupId>org.elasticsearch</groupId>
+			<artifactId>elasticsearch</artifactId>
+			<version>${elasticSearchVersion}</version>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.common.portal</groupId>
 			<artifactId>portal-manager</artifactId>
@@ -73,6 +83,11 @@
 			<artifactId>aslsocial</artifactId>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.portal</groupId>
+			<artifactId>social-networking-library</artifactId>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.portal</groupId>
 			<artifactId>notifications-common-library</artifactId>
@@ -87,23 +102,24 @@
 			<groupId>org.gcube.dvos</groupId>
 			<artifactId>usermanagement-core</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>com.sun.mail</groupId>
+			<artifactId>javax.mail</artifactId>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.resources.discovery</groupId>
 			<artifactId>ic-client</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>com.netflix.astyanax</groupId>
+			<artifactId>astyanax</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.core</groupId>
 			<artifactId>common-encryption</artifactId>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-log4j12</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-api</artifactId>
-		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/src/main/java/org/gcube/socialnetworking/social_data_indexing_common/utils/IndexFields.java b/src/main/java/org/gcube/socialnetworking/social_data_indexing_common/utils/IndexFields.java
index 5f7799a..f7f2f18 100644
--- a/src/main/java/org/gcube/socialnetworking/social_data_indexing_common/utils/IndexFields.java
+++ b/src/main/java/org/gcube/socialnetworking/social_data_indexing_common/utils/IndexFields.java
@@ -11,28 +11,15 @@ public class IndexFields {
 	// name of the index
 	public static final String INDEX_NAME = "social";
 	
-	// table for comments
-	public static final String COMMENT_TABLE = "comments";
-	
-	// table for feeds
-	public static final String FEED_TABLE = "feeds";
-	
 	// table for enhanced feeds
 	public static final String EF_FEEDS_TABLE = "enhanced_feeds";
 	
-	// comment table's fields
-	public static final String COMMENT_TEXT = "description";
-	public static final String COMMENT_PARENT_ID = "parent_id";
-	
-	// feed table's fields
-	public static final String FEED_TEXT = "description";
-	public static final String FEED_TYPE = "type";
-	public static final String FEED_VRE_ID = "vre_id";
-	
-	// enhanced feeds' fields
+	// enhanced feeds' fields of interest
 	public static final String EF_ATTACHMENT_NAME = "attachments.name";
 	public static final String EF_FEED_TEXT = "feed.description";
 	public static final String EF_COMMENT_TEXT = "comments.text";
 	public static final String EF_PREVIEW_DESCRIPTION = "feed.linkTitle";
+	public static final String EF_FEED_AUTHOR = "feed.fullName";
+	public static final String EF_FEED_VRE_ID = "feed.vreid";
 
 }
diff --git a/src/test/java/org/gcube/socialnetworking/social_data_indexing_common/Tests.java b/src/test/java/org/gcube/socialnetworking/social_data_indexing_common/Tests.java
new file mode 100644
index 0000000..7570fa6
--- /dev/null
+++ b/src/test/java/org/gcube/socialnetworking/social_data_indexing_common/Tests.java
@@ -0,0 +1,37 @@
+package org.gcube.socialnetworking.social_data_indexing_common;
+
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.socialnetworking.social_data_indexing_common.utils.ElasticSearchRunningCluster;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Tests {
+
+	/**
+	 * Logger
+	 */
+	private static Logger _log = LoggerFactory.getLogger(Tests.class);
+
+	@Before
+	public void beforeTest(){
+		// set security token
+		SecurityTokenProvider.instance.set("422d795b-d978-41d5-abac-b1c8be90a632");
+	}
+	
+	@Test
+	public void retrieveElasticSearchInformation() throws Exception{
+		
+		ElasticSearchRunningCluster es = new ElasticSearchRunningCluster("gcube");
+		_log.debug("Result is " + es.getClusterName() + " " + es.getHosts() + " " + es.getPorts());
+		
+	}
+	
+	@After
+	public void after(){
+		
+	}
+
+}