diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/QueryHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/QueryHandler.java
index df7ed332e..be3fc6996 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/QueryHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/QueryHandler.java
@@ -378,7 +378,7 @@ public class QueryHandler {
 //							+ "FILTER (<" + queryURI + "> != ?coAuthorPerson ) . "
 							+ "}";
 
-		System.out.println(sparqlQuery);
+//		System.out.println(sparqlQuery);
 		
 		return sparqlQuery;
 	}
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationCodeGenerator.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationCodeGenerator.java
index 7835bcb07..fbc408642 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationCodeGenerator.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationCodeGenerator.java
@@ -555,7 +555,7 @@ public class VisualizationCodeGenerator {
 							 + "=" + URLEncoder.encode(VisualizationFrameworkConstants.DATA_RENDER_MODE_URL_VALUE, 
 					 				 				   VisualizationController.URL_ENCODING_SCHEME).toString();
 		
-		System.out.println(" ----- >>>> " + contextPath + " XX " + individualURIParam + " XX " + downloadURL);
+//		System.out.println(" ----- >>>> " + contextPath + " XX " + individualURIParam + " XX " + downloadURL);
 		
 			return downloadURL;
 		} else {
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationRequestHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationRequestHandler.java
index 8177bbf10..3908067f4 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationRequestHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/VisualizationRequestHandler.java
@@ -5,7 +5,6 @@ package edu.cornell.mannlib.vitro.webapp.visualization.coauthorship;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
@@ -17,8 +16,6 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.apache.commons.logging.Log;
-import org.skife.csv.CSVWriter;
-import org.skife.csv.SimpleWriter;
 
 import com.hp.hpl.jena.query.DataSource;
 
@@ -28,8 +25,6 @@ import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
 import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
 import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
 import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.Node;
-import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.VivoCollegeOrSchool;
-import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.VivoDepartmentOrDivision;
 import edu.cornell.mannlib.vitro.webapp.visualization.visutils.UtilityFunctions;
 
 public class VisualizationRequestHandler {
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/QueryHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/QueryHandler.java
index 2b270569f..c330222aa 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/QueryHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/QueryHandler.java
@@ -6,7 +6,6 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
-import java.util.TreeMap;
 
 import org.apache.commons.logging.Log;
 
@@ -278,7 +277,7 @@ public class QueryHandler {
 							+ "}"
 							+ "}";
 
-		System.out.println(sparqlQuery);
+//		System.out.println(sparqlQuery);
 		
 		return sparqlQuery;
 	}
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/VisualizationRequestHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/VisualizationRequestHandler.java
index 14ad79407..589811743 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/VisualizationRequestHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/collegepubcount/VisualizationRequestHandler.java
@@ -35,7 +35,6 @@ import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
 import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
 import edu.cornell.mannlib.vitro.webapp.visualization.PDFDocument;
 import edu.cornell.mannlib.vitro.webapp.visualization.constants.VOConstants;
-import edu.cornell.mannlib.vitro.webapp.visualization.constants.VisConstants;
 import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
 import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.BiboDocument;
 import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.Individual;
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personlevel/VisualizationRequestHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personlevel/VisualizationRequestHandler.java
index e829fd91b..b8f77ef16 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personlevel/VisualizationRequestHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personlevel/VisualizationRequestHandler.java
@@ -4,8 +4,6 @@ package edu.cornell.mannlib.vitro.webapp.visualization.personlevel;
 
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -25,9 +23,7 @@ import com.hp.hpl.jena.query.DataSource;
 import edu.cornell.mannlib.vitro.webapp.beans.Portal;
 import edu.cornell.mannlib.vitro.webapp.controller.Controllers;
 import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
-import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationController;
 import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
-import edu.cornell.mannlib.vitro.webapp.filestorage.FileServingHelper;
 import edu.cornell.mannlib.vitro.webapp.visualization.coauthorship.CoAuthorshipGraphMLWriter;
 import edu.cornell.mannlib.vitro.webapp.visualization.coauthorship.VisVOContainer;
 import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/QueryHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/QueryHandler.java
index 689936135..555cbf79e 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/QueryHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/QueryHandler.java
@@ -186,7 +186,7 @@ public class QueryHandler {
 							+  SPARQL_QUERY_COMMON_WHERE_CLAUSE
 							+ "}";
 
-		System.out.println("SPARQL query for person pub count -> \n" + sparqlQuery);
+//		System.out.println("SPARQL query for person pub count -> \n" + sparqlQuery);
 
 		return sparqlQuery;
 	}
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/VisualizationCodeGenerator.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/VisualizationCodeGenerator.java
index ab8aa0eb8..872bde8f3 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/VisualizationCodeGenerator.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/personpubcount/VisualizationCodeGenerator.java
@@ -564,7 +564,7 @@ public class VisualizationCodeGenerator {
 							 + "&" + VisualizationFrameworkConstants.RENDER_MODE_URL_HANDLE 
 							 + "=" + URLEncoder.encode(VisualizationFrameworkConstants.DATA_RENDER_MODE_URL_VALUE, 
 					 				 				   VisualizationController.URL_ENCODING_SCHEME).toString();
-		System.out.println(" ----- >>>> " + contextPath + " XX " + individualURIParam + " XX " + downloadURL);
+//		System.out.println(" ----- >>>> " + contextPath + " XX " + individualURIParam + " XX " + downloadURL);
 			return downloadURL;
 		} else {
 			return null;
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/utilities/VisualizationRequestHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/utilities/VisualizationRequestHandler.java
index 6abfb5d48..2d5f20321 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/utilities/VisualizationRequestHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/utilities/VisualizationRequestHandler.java
@@ -2,14 +2,12 @@
 
 package edu.cornell.mannlib.vitro.webapp.visualization.utilities;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 
 import javax.servlet.RequestDispatcher;
 import javax.servlet.ServletException;
@@ -30,7 +28,6 @@ import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
 import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationController;
 import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
 import edu.cornell.mannlib.vitro.webapp.filestorage.FileServingHelper;
-import edu.cornell.mannlib.vitro.webapp.visualization.constants.QueryConstants;
 import edu.cornell.mannlib.vitro.webapp.visualization.constants.QueryFieldLabels;
 import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
 import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.GenericQueryMap;
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/visutils/GenericQueryHandler.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/visutils/GenericQueryHandler.java
index 13a5f4317..5e7fb97ff 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/visutils/GenericQueryHandler.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/visualization/visutils/GenericQueryHandler.java
@@ -14,16 +14,11 @@ import com.hp.hpl.jena.query.Query;
 import com.hp.hpl.jena.query.QueryExecution;
 import com.hp.hpl.jena.query.QueryExecutionFactory;
 import com.hp.hpl.jena.query.QueryFactory;
-import com.hp.hpl.jena.query.QuerySolution;
 import com.hp.hpl.jena.query.ResultSet;
 import com.hp.hpl.jena.query.Syntax;
-import com.hp.hpl.jena.rdf.model.RDFNode;
-import com.hp.hpl.jena.util.tuple.TupleSet;
 
 import edu.cornell.mannlib.vitro.webapp.visualization.constants.QueryConstants;
-import edu.cornell.mannlib.vitro.webapp.visualization.constants.QueryFieldLabels;
 import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
-import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.GenericQueryMap;