diff --git a/src/main/java/org/gcube/dataanalysis/StandardLocalExternalAlgorithm.java b/src/main/java/org/gcube/dataanalysis/StandardLocalExternalAlgorithm.java
deleted file mode 100644
index d3c3c38..0000000
--- a/src/main/java/org/gcube/dataanalysis/StandardLocalExternalAlgorithm.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package org.gcube.dataanalysis;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
-import org.gcube.dataanalysis.ecoengine.configuration.AlgorithmConfiguration;
-import org.gcube.dataanalysis.ecoengine.configuration.INFRASTRUCTURE;
-import org.gcube.dataanalysis.ecoengine.datatypes.DatabaseType;
-import org.gcube.dataanalysis.ecoengine.datatypes.PrimitiveType;
-import org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType;
-import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.DatabaseParameters;
-import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.PrimitiveTypes;
-import org.gcube.dataanalysis.ecoengine.interfaces.Transducerer;
-import org.gcube.dataanalysis.ecoengine.utils.ResourceFactory;
-
-public abstract class StandardLocalExternalAlgorithm implements Transducerer {
-	protected AlgorithmConfiguration config;
-	protected float status = 0;
-	protected List<StatisticalType> inputs = new ArrayList<StatisticalType>();
-	protected ResourceFactory resourceManager;
-	protected LinkedHashMap<String, String> outputParameters = new LinkedHashMap<String, String>();
-	
-	
-	protected void addEnumerateInput(Object itemsList, String name, String description, String defaultvalue) {
-		inputs.add(new PrimitiveType(Enum.class.getName(), itemsList, PrimitiveTypes.ENUMERATED, name, description, defaultvalue));
-	}
-
-	protected void addRemoteDatabaseInput(String runtimeResourceName, String urlParameterName, String userParameterName, String passwordParameterName, String driverParameterName, String dialectParameterName) {
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASERRNAME,runtimeResourceName,"RR name"));
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASEURL,urlParameterName,""));
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASEUSERNAME,userParameterName,""));
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASEPASSWORD,passwordParameterName,""));
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASEDRIVER,driverParameterName,""));
-		inputs.add(new DatabaseType(DatabaseParameters.REMOTEDATABASEDIALECT,dialectParameterName,""));
-	}
-	
-	protected void addStringInput(String name, String description, String defaultvalue) {
-		inputs.add(new PrimitiveType(String.class.getName(), null, PrimitiveTypes.STRING, name, description, defaultvalue));
-	}
-
-	protected void addOutputString(String name, String value) {
-		outputParameters.put(name, value);
-	}
-	
-	@Override
-	public void compute() throws Exception {
-		AnalysisLogger.setLogger(config.getConfigPath() + AlgorithmConfiguration.defaultLoggerFile);
-		status = 0;
-		process();
-		status = 100;
-	}
-
-	protected void log(Object message){
-		AnalysisLogger.getLogger().trace(message);
-	}
-	
-	@Override
-	public abstract void init() throws Exception;
-
-	@Override
-	public abstract String getDescription();
-
-	@Override
-	public INFRASTRUCTURE getInfrastructure() {
-		return INFRASTRUCTURE.LOCAL;
-	}
-
-	@Override
-	public List<StatisticalType> getInputParameters() {
-		setInputParameters();
-		return inputs;
-	}
-
-	protected String getInputParameter(String paramName) {
-		return config.getParam(paramName);
-	}
-
-	@Override
-	public StatisticalType getOutput() {
-		PrimitiveType p = new PrimitiveType(Map.class.getName(), PrimitiveType.stringMap2StatisticalMap(outputParameters), PrimitiveTypes.MAP, "Species Match","");
-		return p;
-	}
-
-	public String getResourceLoad() {
-		if (resourceManager == null)
-			resourceManager = new ResourceFactory();
-		return resourceManager.getResourceLoad(1);
-	}
-
-	@Override
-	public String getResources() {
-		return ResourceFactory.getResources(100f);
-	}
-
-	@Override
-	public float getStatus() {
-		return status;
-	}
-
-	protected abstract void process() throws Exception;
-
-	@Override
-	public void setConfiguration(AlgorithmConfiguration config) {
-		this.config = config;
-	}
-
-	protected abstract void setInputParameters();
-
-	@Override
-	public abstract void shutdown();
-
-}
diff --git a/src/main/java/org/gcube/dataanalysis/fin/taxamatch/TaxaMatchTransducer.java b/src/main/java/org/gcube/dataanalysis/fin/taxamatch/TaxaMatchTransducer.java
index 559291b..35593ce 100644
--- a/src/main/java/org/gcube/dataanalysis/fin/taxamatch/TaxaMatchTransducer.java
+++ b/src/main/java/org/gcube/dataanalysis/fin/taxamatch/TaxaMatchTransducer.java
@@ -1,7 +1,7 @@
 package org.gcube.dataanalysis.fin.taxamatch;
 
 import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
-import org.gcube.dataanalysis.StandardLocalExternalAlgorithm;
+import org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm;
 import org.gcube.dataanalysis.taxamatch.fin.func_Taxamatch;
 
 public class TaxaMatchTransducer extends StandardLocalExternalAlgorithm {
diff --git a/src/main/java/org/gube/examples/MyAlgorithm.java b/src/main/java/org/gube/examples/MyAlgorithm.java
index 9a7480c..04fd621 100644
--- a/src/main/java/org/gube/examples/MyAlgorithm.java
+++ b/src/main/java/org/gube/examples/MyAlgorithm.java
@@ -5,10 +5,10 @@ import java.io.FileWriter;
 import java.util.LinkedHashMap;
 
 import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
-import org.gcube.dataanalysis.StandardLocalExternalAlgorithm;
 import org.gcube.dataanalysis.ecoengine.datatypes.PrimitiveType;
 import org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType;
 import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.PrimitiveTypes;
+import org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm;
 
 public class MyAlgorithm extends StandardLocalExternalAlgorithm{