diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/publisher/AriadnePlusPublisherController.java b/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/publisher/AriadnePlusPublisherController.java
index 5d437db..0c17a35 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/publisher/AriadnePlusPublisherController.java
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/publisher/AriadnePlusPublisherController.java
@@ -1,13 +1,11 @@
 package eu.dnetlib.ariadneplus.publisher;
 
-import eu.dnetlib.ariadneplus.reader.utils.GZIPCompression;
+import eu.dnetlib.ariadneplus.publisher.AriadnePlusPublisherHelper.AriadnePlusTargets;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
-import eu.dnetlib.ariadneplus.publisher.AriadnePlusPublisherHelper.AriadnePlusTargets;
-
 import java.io.IOException;
 import java.util.List;
 
diff --git a/dnet-ariadneplus/src/main/java/eu/dnetlib/ariadneplus/workflows/nodes/PublishGraphDBJobNode.java b/dnet-ariadneplus/src/main/java/eu/dnetlib/ariadneplus/workflows/nodes/PublishGraphDBJobNode.java
index c827285..5d43a9a 100644
--- a/dnet-ariadneplus/src/main/java/eu/dnetlib/ariadneplus/workflows/nodes/PublishGraphDBJobNode.java
+++ b/dnet-ariadneplus/src/main/java/eu/dnetlib/ariadneplus/workflows/nodes/PublishGraphDBJobNode.java
@@ -1,33 +1,8 @@
 package eu.dnetlib.ariadneplus.workflows.nodes;
 
-import java.io.IOException;
-import java.net.ConnectException;
-import java.nio.charset.StandardCharsets;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-
-import eu.dnetlib.ariadneplus.utils.GZIPCompression;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.http.NameValuePair;
-import org.apache.http.client.entity.UrlEncodedFormEntity;
-import org.apache.http.client.methods.CloseableHttpResponse;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.entity.ByteArrayEntity;
-import org.apache.http.entity.StringEntity;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
-import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
-import org.apache.http.message.BasicNameValuePair;
-import org.springframework.beans.factory.annotation.Autowired;
-
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.gson.Gson;
-
 import eu.dnetlib.enabling.resultset.client.ResultSetClient;
 import eu.dnetlib.msro.workflows.graph.Arc;
 import eu.dnetlib.msro.workflows.nodes.AsyncJobNode;
@@ -37,6 +12,26 @@ import eu.dnetlib.msro.workflows.util.ResultsetProgressProvider;
 import eu.dnetlib.msro.workflows.util.WorkflowsConstants;
 import eu.dnetlib.rmi.common.ResultSet;
 import eu.dnetlib.rmi.manager.MSROException;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.message.BasicNameValuePair;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.io.IOException;
+import java.net.ConnectException;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 
 
 public class PublishGraphDBJobNode extends AsyncJobNode {