diff --git a/planetstack/core/xoslib/static/js/xosDeveloper_datatables.js b/planetstack/core/xoslib/static/js/xosDeveloper_datatables.js
index 4be4e0f..7d6ee3c 100644
--- a/planetstack/core/xoslib/static/js/xosDeveloper_datatables.js
+++ b/planetstack/core/xoslib/static/js/xosDeveloper_datatables.js
@@ -12,12 +12,16 @@
         row = data.models[rowkey];
         slicename = row.get("name");
         sliceid = row.get("id");
-        role = row.get("sliceInfo").roles[0];
+        role = row.get("sliceInfo").roles[0] || "";
         slivercount = row.get("sliceInfo").sliverCount;
         sitecount = row.get("sliceInfo").siteCount;
         backendHtml = row.get("backendHtml")
 
-        if (! role) {
+        //if (! role) {
+        //    continue;
+        //}
+
+        if (! row.get("current_user_can_see") ) {
             continue;
         }
 
diff --git a/planetstack/core/xoslib/static/js/xosTenant.js b/planetstack/core/xoslib/static/js/xosTenant.js
index ae6f955..0182f9f 100644
--- a/planetstack/core/xoslib/static/js/xosTenant.js
+++ b/planetstack/core/xoslib/static/js/xosTenant.js
@@ -178,6 +178,9 @@
          sliceChanged: function(id) {
              XOSTenantApp.navToSlice(id);
          },
+         filter: function(slice) {
+             return slice.attributes.current_user_can_see;
+         },
      });
 
      xos.sites.fetch();
diff --git a/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js b/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
index d359f36..1ca1307 100644
--- a/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
+++ b/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
@@ -319,18 +319,12 @@
                     var url = this.urlRoot || ( models && models.length && models[0].urlRoot );
                     url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
 
-                    // Build a url to retrieve a set of models. This assume the last part of each model's idAttribute
-                    // (set to 'resource_uri') contains the model's id.
-                    if ( models && models.length ) {
-                            var ids = _.map( models, function( model ) {
-                                            var parts = _.compact( model.id.split('/') );
-                                            return parts[ parts.length - 1 ];
-                                    });
-                            url += 'set/' + ids.join(';') + '/';
-                    }
-
                     url && ( url += "?no_hyperlinks=1" );
 
+                    if (this.currentUserCanSee) {
+                        url && ( url += "&current_user_can_see=1" );
+                    }
+
                     return url;
             },
 
@@ -364,6 +358,7 @@
     function define_model(lib, attrs) {
         modelName = attrs.modelName;
         modelClassName = modelName;
+        collectionClass = attrs.collectionClass || XOSCollection;
         collectionClassName = modelName + "Collection";
 
         if (!attrs.addFields) {
@@ -411,7 +406,7 @@
 
         collectionAttrs["model"] = lib[modelName];
 
-        lib[collectionClassName] = XOSCollection.extend(collectionAttrs);
+        lib[collectionClassName] = collectionClass.extend(collectionAttrs);
         lib[collectionName] = new lib[collectionClassName]();
 
         lib.allCollectionNames.push(collectionName);
@@ -692,7 +687,10 @@
                             detailFields: [],
                             });
 
-        this.tenant = function() { return this.tenantview.models[0].attributes; }
+        /* by default, have slicePlus only fetch the slices the user can see */
+        this.slicesPlus.currentUserCanSee = true;
+
+        this.tenant = function() { return this.tenantview.models[0].attributes; };
 
         this.listObjects = function() { return this.allCollectionNames; };
 
diff --git a/planetstack/core/xoslib/static/js/xoslib/xosHelper.js b/planetstack/core/xoslib/static/js/xoslib/xosHelper.js
index 76254f6..7392843 100644
--- a/planetstack/core/xoslib/static/js/xoslib/xosHelper.js
+++ b/planetstack/core/xoslib/static/js/xoslib/xosHelper.js
@@ -4,6 +4,21 @@
   },
 });
 
+FilteredCompositeView = Marionette.CompositeView.extend( {
+    showCollection: function() {
+      var ChildView;
+      this.collection.each(function(child, index) {
+        filterFunc = this.options.filter || this.filter;
+        if (filterFunc && !filterFunc(child)) {
+            return;
+        }
+        ChildView = this.getChildView(child);
+        this.addChild(child, ChildView, index);
+      }, this);
+
+    },
+});
+
 SliceSelectorOption = Marionette.ItemView.extend({
     template: "#xos-sliceselector-option",
     tagName: "option",
@@ -16,7 +31,7 @@
     },
 });
 
-SliceSelectorView = Marionette.CompositeView.extend({
+SliceSelectorView = FilteredCompositeView.extend({
     template: "#xos-sliceselector-select",
     childViewContainer: "select",
     childView: SliceSelectorOption,
@@ -39,20 +54,6 @@
     templateHelpers: function() { return {caption: this.options.caption || this.caption }; },
 });
 
-FilteredCompositeView = Marionette.CompositeView.extend( {
-    showCollection: function() {
-      var ChildView;
-      this.collection.each(function(child, index) {
-        if (this.filter && !this.filter(child)) {
-            return;
-        }
-        ChildView = this.getChildView(child);
-        this.addChild(child, ChildView, index);
-      }, this);
-
-    },
-});
-
 XOSRouter = Marionette.AppRouter.extend({
         initialize: function() {
             this.routeStack=[];