diff --git a/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb b/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
index 0c5c1a0..652de5d 100644
--- a/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
+++ b/plugins/virtuoso/controllers/virtuoso_plugin_admin_controller.rb
@@ -34,18 +34,25 @@ class VirtuosoPluginAdminController < AdminController
     render :action => 'triple_management'
   end
 
-  def triple_update
-    graph_uri = params[:graph_uri]
-    triples = params[:triples]
+  def update_triple
+    if request.post?
+      from_triple = VirtuosoPlugin::Triple.new
+      from_triple.graph = params[:from_triple][:graph]
+      from_triple.subject = params[:from_triple][:subject]
+      from_triple.predicate = params[:from_triple][:predicate]
+      from_triple.object = params[:from_triple][:object]
 
-    triples_management = VirtuosoPlugin::TriplesManagement.new(environment)
+      to_triple = VirtuosoPlugin::Triple.new
+      to_triple.graph = params[:to_triple][:graph]
+      to_triple.subject = params[:to_triple][:subject]
+      to_triple.predicate = params[:to_triple][:predicate]
+      to_triple.object = params[:to_triple][:object]
 
-    triples.each { |triple_key, triple_content|
-      triples_management.update_triple(graph_uri, triple_content[:from], triple_content[:to])
-    }
+      triples_management = VirtuosoPlugin::TriplesManagement.new(environment)
+      triples_management.update_triple(from_triple, to_triple)
 
-    session[:notice] = _('Triple(s) succesfully updated.')
-    redirect_to :action => :triple_management
+      render json: { :ok => true, :message => _('Triple succesfully updated.') }
+    end
   end
 
   def add_triple
@@ -65,16 +72,18 @@ class VirtuosoPluginAdminController < AdminController
   end
 
   def remove_triple
-    triple = VirtuosoPlugin::Triple.new
-    triple.graph = params[:triple][:graph]
-    triple.subject = params[:triple][:subject]
-    triple.predicate = params[:triple][:predicate]
-    triple.object = params[:triple][:object]
+    if request.post?
+      triple = VirtuosoPlugin::Triple.new
+      triple.graph = params[:triple][:graph]
+      triple.subject = params[:triple][:subject]
+      triple.predicate = params[:triple][:predicate]
+      triple.object = params[:triple][:object]
 
-    triples_management = VirtuosoPlugin::TriplesManagement.new(environment)
-    triples_management.remove_triple(triple)
+      triples_management = VirtuosoPlugin::TriplesManagement.new(environment)
+      triples_management.remove_triple(triple)
 
-    render json: { :ok => true, :message => _('Triple succesfully removed.') }
+      render json: { :ok => true, :message => _('Triple succesfully removed.') }
+    end
   end
 
 end
diff --git a/plugins/virtuoso/lib/virtuoso_plugin/triples_management.rb b/plugins/virtuoso/lib/virtuoso_plugin/triples_management.rb
index ebb30b6..a8375bb 100644
--- a/plugins/virtuoso/lib/virtuoso_plugin/triples_management.rb
+++ b/plugins/virtuoso/lib/virtuoso_plugin/triples_management.rb
@@ -15,16 +15,8 @@ class VirtuosoPlugin::TriplesManagement
     plugin.virtuoso_client.query(query)
   end
 
-  def update_triple(graph_uri, from_triple, to_triple)
-    from_subject = from_triple[:subject]
-    from_predicate = from_triple[:predicate]
-    from_object = format_triple_term(from_triple[:object])
-
-    to_subject = to_triple[:subject]
-    to_predicate = to_triple[:predicate]
-    to_object = format_triple_term(to_triple[:object])
-
-    query = "WITH <#{graph_uri}> DELETE { <#{from_subject}> <#{from_predicate}> #{from_object} } INSERT { <#{to_subject}> <#{to_predicate}> #{to_object} }"
+  def update_triple(from_triple, to_triple)
+    query = "WITH <#{from_triple.graph}> DELETE { <#{from_triple.subject}> <#{from_triple.predicate}> #{from_triple.object} } INSERT { <#{to_triple.subject}> <#{to_triple.predicate}> #{to_triple.object} }"
 
     plugin.virtuoso_client.query(query)
   end
@@ -39,10 +31,4 @@ class VirtuosoPlugin::TriplesManagement
     plugin.virtuoso_client.query(query)
   end
 
-  protected
-
-  def format_triple_term(term)
-    term =~ /^(http|https):\/\// ? "<#{term}>" : "'#{term}'"
-  end
-
 end
diff --git a/plugins/virtuoso/public/triples_management.js b/plugins/virtuoso/public/triples_management.js
index 9e0c93c..e3c7464 100644
--- a/plugins/virtuoso/public/triples_management.js
+++ b/plugins/virtuoso/public/triples_management.js
@@ -1,3 +1,41 @@
+function update_triple(triple_id) {
+  graph = jQuery("input#graph_uri").val();
+
+  from_subject = jQuery("input#triples_triple" + triple_id + "_from_subject").val();
+  from_predicate = jQuery("input#triples_triple" + triple_id + "_from_predicate").val();
+  from_object = jQuery("input#triples_triple" + triple_id + "_from_object").val();
+
+  to_subject = jQuery("input#triples_triple" + triple_id + "_to_subject").val();
+  to_predicate = jQuery("input#triples_triple" + triple_id + "_to_predicate").val();
+  to_object = jQuery("input#triples_triple" + triple_id + "_to_object").val();
+
+  var formData = {
+    from_triple: { graph: graph, subject: from_subject, predicate: from_predicate, object: from_object },
+    to_triple: { graph: graph, subject: to_subject, predicate: to_predicate, object: to_object }
+  }
+
+  jQuery.ajax({
+    cache: false,
+    type: 'POST',
+    url: '/admin/plugin/virtuoso/update_triple',
+    data: formData,
+    dataType: 'json',
+    success: function(data, status, ajax){
+      if ( !data.ok ) {
+        display_notice(data.error.message);
+      }
+      else {
+        display_notice(data.message);
+        jQuery("input#triples_triple" + triple_id + "_from_object").val(jQuery("input#triples_triple" + triple_id + "_to_object").val());
+      }
+    },
+    error: function(ajax, status, errorThrown) {
+      alert('Send request - HTTP '+status+': '+errorThrown);
+    }
+  });
+
+}
+
 function add_triple() {
   graph = jQuery("input#triple_graph").val();
   subject = jQuery("input#triple_subject").val();
diff --git a/plugins/virtuoso/views/virtuoso_plugin_admin/triple_management.html.erb b/plugins/virtuoso/views/virtuoso_plugin_admin/triple_management.html.erb
index 2096d97..9393ad4 100644
--- a/plugins/virtuoso/views/virtuoso_plugin_admin/triple_management.html.erb
+++ b/plugins/virtuoso/views/virtuoso_plugin_admin/triple_management.html.erb
@@ -36,6 +36,7 @@
             <%= labelled_form_field(_('Object:'), text_field_tag("triples[triple#{triple_counter}[to][object]]", triple[:o].to_s) ) %>
           </li>
           <li class="triple-actions">
+            <%= button :save, _('Update triple'), {}, :href => '#', :onclick => "update_triple(#{triple_counter}); return false;" %>
             <%= button :remove, _('Remove triple'), {}, :href => '#', :onclick => "remove_triple(#{triple_counter}); return false;" %>
           </li>
         </ul>
@@ -47,10 +48,6 @@
 
     </ul>
 
-    <% button_bar do %>
-      <%= submit_button(:save, _('Save')) %>
-    <% end %>
-
   <% end %>
 
   <% end %>
--
libgit2 0.21.2