1. Fix to resolve this > http://issues.library.cornell.edu/browse/NIHVIVO-1007

2. Basically I forced orders whenever edges & nodes were created using custom comparator & collections.sort

src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/CoAuthorshipGraphMLWriter.java

@@ -107,6 +107,11 @@ public class CoAuthorshipGraphMLWriter {
 
 	private void getEdgeContent(StringBuilder graphMLContent, Edge currentEdge) {
 		
+		/*
+		System.out.print("EDGE_ID:" + currentEdge.getEdgeID() + "|");
+		System.out.print("EDGE_SOURCE:" + currentEdge.getSourceNode().getNodeURL() + "|");
+		System.out.println("EDGE_TARGET:" + currentEdge.getTargetNode().getNodeURL());
+		*/
 		graphMLContent.append("<edge " 
 									+ "id=\"" + currentEdge.getEdgeID() + "\" " 
 									+ "source=\"" + currentEdge.getSourceNode().getNodeID() + "\" "
@@ -223,10 +228,11 @@ public class CoAuthorshipGraphMLWriter {
 		}
 		
 		
-		
+//		System.out.print("NODE_ID:" + node.getNodeID() + "|");
 		graphMLContent.append("<node id=\"" + node.getNodeID() + "\">\n");
 		graphMLContent.append("\t<data key=\"url\">" + node.getNodeURL() + "</data>\n");
 //		graphMLContent.append("\t<data key=\"name\">" + node.getNodeName() + "</data>\n");
+//		System.out.println("NODE_NAME:" + node.getNodeURL());
 		graphMLContent.append("\t<data key=\"label\">" + node.getNodeName() + "</data>\n");
 		
 		if (profileURL != null) {

src/edu/cornell/mannlib/vitro/webapp/visualization/coauthorship/QueryHandler.java

@@ -3,6 +3,7 @@
 package edu.cornell.mannlib.vitro.webapp.visualization.coauthorship;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -104,6 +105,7 @@ public class QueryHandler {
 				}
 			}
 			
+			
 			RDFNode documentNode = solution.get(QueryFieldLabels.DOCUMENT_URL);
 			BiboDocument biboDocument;
 			
@@ -144,7 +146,11 @@ public class QueryHandler {
 					coAuthorNode.setNodeName(coAuthorLabelNode.toString());
 				}
 			}
-			
+			/*
+			System.out.print("PERSON_URL:" + egoAuthorURLNode.toString() + "|");
+			System.out.print("DOCUMENT_URL:" + documentNode.toString() + "|");
+			System.out.println("CO_AUTHOR_URL:" + coAuthorURLNode.toString());
+			*/
 			coAuthorNode.addAuthorDocument(biboDocument);
 			
 			Set<Node> coAuthorsForCurrentBiboDocument;
@@ -193,19 +199,13 @@ public class QueryHandler {
 							edges);
 		
 		
-/*		System.out.println(collegeURLToVO);
-		System.out.println("------------------------------------------------------------");
-		System.out.println(departmentURLToVO);
-		System.out.println("------------------------------------------------------------");
-		System.out.println(employeeURLToVO);
-		System.out.println("------------------------------------------------------------");
-*/		
 		return new VisVOContainer(egoNode, nodes, edges);
 	}
 
 	private void createCoAuthorEdges(
 			Map<String, BiboDocument> biboDocumentURLToVO,
 			Map<String, Set<Node>> biboDocumentURLToCoAuthors, Set<Edge> edges) {
+		
 		for (Map.Entry<String, Set<Node>> currentBiboDocumentEntry : biboDocumentURLToCoAuthors.entrySet()) {
 			/*
 			 * If there was only one co-author (other than ego) then we dont have to create any edges. so 
@@ -214,10 +214,11 @@ public class QueryHandler {
 			if (currentBiboDocumentEntry.getValue().size() > 1) {
 			
 				/*
-				 * In order to leverage the nested "for loop" for making edges between all the co=authors
+				 * In order to leverage the nested "for loop" for making edges between all the co-authors
 				 * we need to create a list out of the set first. 
 				 * */
 				List<Node> coAuthorNodes = new ArrayList<Node>(currentBiboDocumentEntry.getValue());
+				Collections.sort(coAuthorNodes, new NodeComparator());
 				
 				int numOfCoAuthors = coAuthorNodes.size();
 				
@@ -375,10 +376,10 @@ public class QueryHandler {
 							+ "OPTIONAL {  ?document vitro:moniker ?documentMoniker } . " 
 							+ "OPTIONAL {  ?document vitro:blurb ?documentBlurb } . " 
 							+ "OPTIONAL {  ?document vitro:description ?documentDescription } " 
-//							+ "FILTER (<" + queryURI + "> != ?coAuthorPerson ) . "
+							+ "} " 
-							+ "}";
+							+ "ORDER BY ?document ?coAuthorPerson";
 
-//		System.out.println(sparqlQuery);
+		System.out.println("COAUTHORSHIP QUERY - " + sparqlQuery);
 		
 		return sparqlQuery;
 	}

src/edu/cornell/mannlib/vitro/webapp/visualization/personlevel/VisualizationRequestHandler.java

@@ -196,21 +196,6 @@ public class VisualizationRequestHandler {
 		}
 
 	}
-/*
-	private Map<String, Integer> getUniqueCoauthorsCountPerYear(
-			edu.cornell.mannlib.vitro.webapp.visualization.coauthorship.VisVOContainer coAuthorshipVO) {
-		Map<String, Integer> yearToUniqueCoauthorCount = new TreeMap<String, Integer>();
-		
-		Map<String, Set<Node>> yearToUniqueCoauthors = getUniqueCoAuthorsPerYear(coAuthorshipVO);
-			
-		for (Entry<String, Set<Node>> currentEntry : yearToUniqueCoauthors.entrySet()) {
-			
-			yearToUniqueCoauthorCount.put(currentEntry.getKey(), currentEntry.getValue().size());
-			
-		}
-		return yearToUniqueCoauthorCount;
-	}
-	*/
 	
 	private Map<String, Set<Node>> getUniqueCoAuthorsPerYear(edu.cornell.mannlib.vitro.webapp.visualization.coauthorship.VisVOContainer authorNodesAndEdges) {