diff --git a/lib/architect4r/model/node.rb b/lib/architect4r/model/node.rb
index 45858bc..763c9c9 100644
--- a/lib/architect4r/model/node.rb
+++ b/lib/architect4r/model/node.rb
@@ -3,6 +3,10 @@ module Architect4r
   module Model
     
     class Node
+      
+      #
+      # architect4r extensions
+      #
       include Architect4r::Model::Connection
       include Architect4r::Model::Callbacks
       include Architect4r::Model::Persistency
@@ -11,6 +15,8 @@ class Node
       
       def self.inherited(subklass)
         super
+        subklass.send(:include, ActiveModel::Conversion)
+        subklass.extend ActiveModel::Naming
         subklass.send(:include, Architect4r::Model::Properties)
         subklass.send(:include, Architect4r::Model::Validations)
         
diff --git a/lib/architect4r/model/relationship.rb b/lib/architect4r/model/relationship.rb
index fd30614..775c2c9 100644
--- a/lib/architect4r/model/relationship.rb
+++ b/lib/architect4r/model/relationship.rb
@@ -3,7 +3,7 @@ module Model
     class Relationship
       
       #
-      # Extensions
+      # Architect4r extensions
       #
       include Architect4r::Model::Connection
       include Architect4r::Model::Callbacks
@@ -12,6 +12,8 @@ class Relationship
       
       def self.inherited(subklass)
         super
+        subklass.send(:include, ActiveModel::Conversion)
+        subklass.extend ActiveModel::Naming
         subklass.send(:include, Architect4r::Model::Properties)
         subklass.send(:include, Architect4r::Model::Validations)