diff --git a/islandora/include/fields.inc b/islandora/include/fields.inc
index 6e3382dc..61e32a49 100644
--- a/islandora/include/fields.inc
+++ b/islandora/include/fields.inc
@@ -12,10 +12,6 @@
  *   The name of the bundle to give the fields.
  */
 function islandora_add_fields_to_bundle($bundle_name) {
-  // If this gets called from an install hook, we can't guarantee the t's
-  // existance.
-  $t = get_t();
-
   // Big list of field names/labels/descriptions.
   $field_data = array(
     ISLANDORA_TN_FIELD => array(
@@ -42,22 +38,58 @@ function islandora_add_fields_to_bundle($bundle_name) {
     $field_label = $data['label'];
     $field_description = $data['description'];
 
-    if (field_info_field($field_name)) {
-      $field_instance = array(
-        'field_name' => $field_name,
-        'entity_type' => 'node',
-        'bundle' => $bundle_name,
-        'label' => $t("@label", array("@label" => $field_label)),
-        'description' => $t("@description", array("@description" => $field_description)),
-        'required' => FALSE,
-      );
-      field_create_instance($field_instance);
-      $message = $t('Field @name was added to @bundle successfully',
-                    array(
-                      '@name' => $field_name,
-                      '@bundle' => $bundle_name,
-                    ));
-      drupal_set_message($message);
-    }
+    islandora_add_field_to_bundle($bundle_name, $field_name, $field_label, $field_description);
+  }
+}
+
+/**
+ * Adds a field to a bundle.
+ *
+ * @param string $bundle_name
+ *   The machine name of the bundle.
+ * @param string $field_name
+ *   The machine name of the field.
+ * @param string $field_label
+ *   The human-readable label for the field.
+ * @param string $field_description
+ *   The human-readable description for the field.
+ */
+function islandora_add_field_to_bundle($bundle_name, $field_name, $field_label, $field_description) {
+  // If this gets called from an install hook, we can't guarantee the t's
+  // existance.
+  $t = get_t();
+
+  if (field_info_field($field_name)) {
+    $field_instance = array(
+      'field_name' => $field_name,
+      'entity_type' => 'node',
+      'bundle' => $bundle_name,
+      'label' => $t("@label", array("@label" => $field_label)),
+      'description' => $t("@description", array("@description" => $field_description)),
+      'required' => FALSE,
+    );
+    field_create_instance($field_instance);
+    $message = $t('Field @name was added to @bundle successfully',
+                  array(
+                    '@name' => $field_name,
+                    '@bundle' => $bundle_name,
+                  ));
+    drupal_set_message($message);
   }
 }
+
+/**
+ * Creates a field from a field definition.
+ *
+ * @param array $field_definition
+ *   Field definition for the desired field.
+ */
+function islandora_create_field($field_definition) {
+  // If this gets called from an install hook, we can't guarantee the t's
+  // existance.
+  $t = get_t();
+
+  field_create_field($field_definition);
+  drupal_set_message($t("Created field @field",
+                     array("@field" => $field_definition['field_name'])));
+}
diff --git a/islandora/include/rdf_mapping.inc b/islandora/include/rdf_mapping.inc
index ed50d13d..65cdf96a 100644
--- a/islandora/include/rdf_mapping.inc
+++ b/islandora/include/rdf_mapping.inc
@@ -16,16 +16,16 @@
  * @return array
  *   The default RDF mapping for Islandora content types.
  */
-function islandora_get_default_rdf_mapping($bundle, $rdf_type) {
+function islandora_get_default_rdf_mapping($bundle, $rdf_types) {
   return array(
     array(
       'type' => 'node',
       'bundle' => $bundle,
       'mapping' => array(
-        'rdftype' => array($rdf_type),
+        'rdftype' => $rdf_types,
         'uuid' => array(
-          'predicates' => array('dc11:identifier'),
-          'datatype' => 'xsd:ID',
+          'predicates' => array('fedora:uuid'),
+          'datatype' => 'xsd:string',
         ),
         ISLANDORA_FEDORA_HAS_PARENT_FIELD => array(
           'predicates' => array('fedora:hasParent'),
@@ -35,66 +35,6 @@ function islandora_get_default_rdf_mapping($bundle, $rdf_type) {
           'predicates' => array('pcdm:hasMember'),
           'datatype' => 'xsd:string',
         ),
-        ISLANDORA_DC_CONTRIBUTOR_FIELD => array(
-          'predicates' => array('dc11:contributor'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_COVERAGE_FIELD => array(
-          'predicates' => array('dc11:coverage'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_CREATOR_FIELD => array(
-          'predicates' => array('dc11:creator'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_DATE_FIELD => array(
-          'predicates' => array('dc11:date'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_DESCRIPTION_FIELD => array(
-          'predicates' => array('dc11:description'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_FORMAT_FIELD => array(
-          'predicates' => array('dc11:format'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_IDENTIFIER_FIELD => array(
-          'predicates' => array('dc11:identifier'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_LANGUAGE_FIELD => array(
-          'predicates' => array('dc11:language'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_PUBLISHER_FIELD => array(
-          'predicates' => array('dc11:publisher'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_RELATION_FIELD => array(
-          'predicates' => array('dc11:relation'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_RIGHTS_FIELD => array(
-          'predicates' => array('dc11:rights'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_SOURCE_FIELD => array(
-          'predicates' => array('dc11:source'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_SUBJECT_FIELD => array(
-          'predicates' => array('dc11:subject'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_TITLE_FIELD => array(
-          'predicates' => array('dc11:title'),
-          'datatype' => 'xsd:string',
-        ),
-        ISLANDORA_DC_TYPE_FIELD => array(
-          'predicates' => array('dc11:type'),
-          'datatype' => 'xsd:string',
-        ),
       ),
     ),
   );
diff --git a/islandora/islandora.install b/islandora/islandora.install
index 5d560636..6ee21f11 100644
--- a/islandora/islandora.install
+++ b/islandora/islandora.install
@@ -11,37 +11,28 @@
  * Defines common fields for various bundles.
  */
 function islandora_install() {
-  $t = get_t();
+  module_load_include('inc', 'islandora', 'include/fields');
 
-  $tn_field = array(
-    'field_name' => ISLANDORA_TN_FIELD,
-    'type' => 'image',
+  $fields = array(
+    array(
+      'field_name' => ISLANDORA_TN_FIELD,
+      'type' => 'image',
+    ),
+    array(
+      'field_name' => ISLANDORA_FEDORA_PATH_FIELD,
+      'type' => 'text',
+    ),
+    array(
+      'field_name' => ISLANDORA_FEDORA_HAS_PARENT_FIELD,
+      'type' => 'text',
+    ),
+    array(
+      'field_name' => ISLANDORA_PCDM_HAS_MEMBER_FIELD,
+      'type' => 'text',
+    ),
   );
-  field_create_field($tn_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_TN_FIELD)));
 
-  $fedora_path_field = array(
-    'field_name' => ISLANDORA_FEDORA_PATH_FIELD,
-    'type' => 'text',
-  );
-  field_create_field($fedora_path_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_FEDORA_PATH_FIELD)));
-
-  $fedora_has_parent_field = array(
-    'field_name' => ISLANDORA_FEDORA_HAS_PARENT_FIELD,
-    'type' => 'text',
-  );
-  field_create_field($fedora_has_parent_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_FEDORA_HAS_PARENT_FIELD)));
-
-  $pcdm_has_member_field = array(
-    'field_name' => ISLANDORA_PCDM_HAS_MEMBER_FIELD,
-    'type' => 'text',
-  );
-  field_create_field($pcdm_has_member_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_PCDM_HAS_MEMBER_FIELD)));
+  foreach ($fields as $field) {
+    islandora_create_field($field);
+  }
 }
diff --git a/islandora/islandora.module b/islandora/islandora.module
index 7a10c315..7dabf9c1 100644
--- a/islandora/islandora.module
+++ b/islandora/islandora.module
@@ -6,8 +6,13 @@
  */
 
 define('ISLANDORA_NAMESPACE', 'http://islandora.ca/ontology/v2/');
+define('ISLANDORA_NAMESPACE_PREFIX', 'islandora');
 define('ISLANDORA_FEDORA_NAMESPACE', 'http://fedora.info/definitions/v4/repository#');
+define('ISLANDORA_FEDORA_NAMESPACE_PREFIX', 'fedora');
 define('ISLANDORA_PCDM_NAMESPACE', 'http://pcdm.org/models#');
+define('ISLANDORA_PCDM_NAMESPACE_PREFIX', 'pcdm');
+define('ISLANDORA_NFO_NAMESPACE', 'http://www.semanticdesktop.org/ontologies/2007/03/22/nfo/v1.2/');
+define('ISLANDORA_NFO_NAMESPACE_PREFIX', 'nfo');
 define('ISLANDORA_TN_FIELD', 'field_tn');
 define('ISLANDORA_FEDORA_PATH_FIELD', 'field_fedora_path');
 define('ISLANDORA_FEDORA_HAS_PARENT_FIELD', 'field_fedora_has_parent');
@@ -29,9 +34,10 @@ function islandora_ctools_plugin_api($owner, $api) {
  */
 function islandora_rdf_namespaces() {
   return array(
-    'islandora' => ISLANDORA_NAMESPACE,
-    'fedora' => ISLANDORA_FEDORA_NAMESPACE,
-    'pcdm' => ISLANDORA_PCDM_NAMESPACE,
+    ISLANDORA_NAMESPACE_PREFIX => ISLANDORA_NAMESPACE,
+    ISLANDORA_FEDORA_NAMESPACE_PREFIX => ISLANDORA_FEDORA_NAMESPACE,
+    ISLANDORA_PCDM_NAMESPACE_PREFIX => ISLANDORA_PCDM_NAMESPACE,
+    ISLANDORA_NFO_NAMESPACE_PREFIX => ISLANDORA_NFO_NAMESPACE,
   );
 }
 
diff --git a/islandora_basic_image/islandora_basic_image.install b/islandora_basic_image/islandora_basic_image.install
index c87589f9..2e716268 100644
--- a/islandora_basic_image/islandora_basic_image.install
+++ b/islandora_basic_image/islandora_basic_image.install
@@ -14,34 +14,14 @@ function islandora_basic_image_install() {
   // Ensure the basic image node type is available.
   node_types_rebuild();
 
-  $t = get_t();
-
-  // Create medium size field.
-  $medium_size_field = array(
-    'field_name' => ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD,
-    'type' => 'image',
-  );
-  field_create_field($medium_size_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD)));
+  // Add default islandora fields.
+  islandora_add_fields_to_bundle(ISLANDORA_BASIC_IMAGE_CONTENT_TYPE);
 
-  // Add fields instances to bundle.
-  if (field_info_field(ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD)) {
-    $medium_size_field_instance = array(
-      'field_name' => ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD,
-      'entity_type' => 'node',
-      'bundle' => ISLANDORA_BASIC_IMAGE_CONTENT_TYPE,
-      'label' => $t("Medium Size"),
-      'description' => $t("A display copy of the image."),
-      'required' => FALSE,
-    );
-    field_create_instance($medium_size_field_instance);
-    drupal_set_message($t('Field @name was successfully added to @bundle',
-                          array(
-                            '@name' => ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD,
-                            '@bundle' => ISLANDORA_BASIC_IMAGE_CONTENT_TYPE,
-                          )));
-  }
+  // Create medium size field and add to bundle.
+  islandora_create_field(array(
+                          'field_name' => ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD,
+                          'type' => 'image',
+                         ));
+  islandora_add_field_to_bundle(ISLANDORA_BASIC_IMAGE_CONTENT_TYPE, ISLANDORA_BASIC_IMAGE_MEDIUM_SIZE_FIELD, "Medium Size", "A display copy of the image");
 
-  islandora_add_fields_to_bundle(ISLANDORA_BASIC_IMAGE_CONTENT_TYPE);
 }
diff --git a/islandora_collection/islandora_collection.info b/islandora_collection/islandora_collection.info
index b689010d..a2a6503a 100644
--- a/islandora_collection/islandora_collection.info
+++ b/islandora_collection/islandora_collection.info
@@ -4,3 +4,4 @@ package = Islandora
 version = 7.x-dev
 core = 7.x
 dependencies[] = islandora
+dependencies[] = hook_post_action
diff --git a/islandora_collection/islandora_collection.install b/islandora_collection/islandora_collection.install
index 995b1437..7f5791ca 100644
--- a/islandora_collection/islandora_collection.install
+++ b/islandora_collection/islandora_collection.install
@@ -17,7 +17,4 @@ function islandora_collection_install() {
 
   // Add default Islandora fields.
   islandora_add_fields_to_bundle(ISLANDORA_COLLECTION_CONTENT_TYPE);
-
-  // Create the pcdm:hasMember relation.
-  islandora_collection_define_relations();
 }
diff --git a/islandora_collection/islandora_collection.module b/islandora_collection/islandora_collection.module
index 8106e633..33153cef 100644
--- a/islandora_collection/islandora_collection.module
+++ b/islandora_collection/islandora_collection.module
@@ -47,15 +47,35 @@ function islandora_collection_rdf_mapping() {
 }
 
 /**
- * Implements hook_insert().
+ * Implements hook_node_postinsert().
  */
-function islandora_collection_insert($node) {
+function islandora_collection_node_postinsert($node) {
+  // Exit early if it's not a collection.
+  if (strcmp($node->type, ISLANDORA_COLLECTION_CONTENT_TYPE) != 0) {
+    return;
+  }
 
+  $nodes = entity_uuid_load('node', array($node->uuid));
+
+  // Exit early if the node never was successfully inserted in the database.
+  if (empty($nodes)) {
+    return;
+  }
+
+  $node = array_pop($nodes);
+  $response = drupal_http_request("http://localhost:8080/islandora-services/rest/collection",
+                                  array(
+                                    'method' => 'POST',
+                                    'data' => json_encode($node),
+                                  ));
+
+  dd("RESPONSE");
+  dd($response->data);
 }
 
 /**
  * Implements hook_update().
  */
-function islandora_collection_update($node) {
-
+function islandora_collection_node_postupdate($node) {
+  dd("FROM POST UPDATE HOOK");
 }
diff --git a/islandora_dc/include/fields.inc b/islandora_dc/include/fields.inc
index 13c970e5..8e7e6d74 100644
--- a/islandora_dc/include/fields.inc
+++ b/islandora_dc/include/fields.inc
@@ -12,10 +12,7 @@
  *   The name of the bundle to give the fields.
  */
 function islandora_dc_add_fields_to_bundle($bundle_name) {
-
-  // If this gets called from an install hook, we can't guarantee the t's
-  // existance.
-  $t = get_t();
+  module_load_include('inc', 'islandora', 'include/fields');
 
   // Big list of field names/labels/descriptions.
   $field_data = array(
@@ -86,22 +83,6 @@ function islandora_dc_add_fields_to_bundle($bundle_name) {
     $field_label = $data['label'];
     $field_description = $data['description'];
 
-    if (field_info_field($field_name)) {
-      $field_instance = array(
-        'field_name' => $field_name,
-        'entity_type' => 'node',
-        'bundle' => $bundle_name,
-        'label' => $t("@label", array("@description" => $field_label)),
-        'description' => $t("@description", array("@description" => $field_description)),
-        'required' => FALSE,
-      );
-      field_create_instance($field_instance);
-      $message = $t('Field @name was successfully added to @bundle',
-                    array(
-                      '@name' => $field_name,
-                      '@bundle' => $bundle_name,
-                    ));
-      drupal_set_message($message);
-    }
+    islandora_add_field_to_bundle($bundle_name, $field_name, $field_label, $field_description);
   }
 }
diff --git a/islandora_dc/islandora_dc.install b/islandora_dc/islandora_dc.install
index b751821c..e286f2de 100644
--- a/islandora_dc/islandora_dc.install
+++ b/islandora_dc/islandora_dc.install
@@ -11,7 +11,7 @@
  * Creates shared fields for content types using DC metadata.
  */
 function islandora_dc_install() {
-  $t = get_t();
+  module_load_include('inc', 'islandora', 'include/fields');
 
   $field_names = array(
     ISLANDORA_DC_CONTRIBUTOR_FIELD,
@@ -32,13 +32,11 @@ function islandora_dc_install() {
   );
 
   foreach ($field_names as $field_name) {
-    $field = array(
-      'field_name' => $field_name,
-      'type' => 'text_long',
-      'cardinality' => FIELD_CARDINALITY_UNLIMITED,
-    );
-    field_create_field($field);
-    drupal_set_message($t("Created field @field",
-                       array("@field" => $field_name)));
+    islandora_create_field(array(
+                             'field_name' => $field_name,
+                             'type' => 'text_long',
+                             'cardinality' => FIELD_CARDINALITY_UNLIMITED,
+                           ));
   }
+
 }
diff --git a/islandora_mods/include/fields.inc b/islandora_mods/include/fields.inc
index eb63f11c..0aa45496 100644
--- a/islandora_mods/include/fields.inc
+++ b/islandora_mods/include/fields.inc
@@ -12,25 +12,6 @@
  *   The name of the bundle to give the fields.
  */
 function islandora_mods_add_fields_to_bundle($bundle_name) {
-  // If this gets called from an install hook, we can't guarantee the t's
-  // existance.
-  $t = get_t();
-
-  if (field_info_field(ISLANDORA_MODS_FIELD)) {
-    $mods_field_instance = array(
-      'field_name' => ISLANDORA_MODS_FIELD,
-      'entity_type' => 'node',
-      'bundle' => $bundle_name,
-      'label' => $t("MODS XML"),
-      'description' => $t("A MODS record for the Fedora resource"),
-      'required' => FALSE,
-    );
-    field_create_instance($mods_field_instance);
-    $message = $t('Field @name was successfully added to @bundle',
-                  array(
-                    '@name' => ISLANDORA_MODS_FIELD,
-                    '@bundle' => $bundle_name,
-                  ));
-    drupal_set_message($message);
-  }
+  module_load_include('inc', 'islandora', 'include/fields');
+  islandora_add_field_to_bundle($bundle_name, ISLANDORA_MODS_FIELD, "MODS XML", "A MODS record for the Fedora resource");
 }
diff --git a/islandora_mods/islandora_mods.install b/islandora_mods/islandora_mods.install
index 0419f373..ca5f6a86 100644
--- a/islandora_mods/islandora_mods.install
+++ b/islandora_mods/islandora_mods.install
@@ -11,13 +11,10 @@
  * Creates shared fields for content types using MODS metadata.
  */
 function islandora_mods_install() {
-  $t = get_t();
+  module_load_include('inc', 'islandora', 'include/fields');
 
-  $mods_field = array(
-    'field_name' => ISLANDORA_MODS_FIELD,
-    'type' => 'xml_field_xml',
-  );
-  field_create_field($mods_field);
-  drupal_set_message($t("Created field @field",
-                     array("@field" => ISLANDORA_MODS_FIELD)));
+  islandora_create_field(array(
+                           'field_name' => ISLANDORA_MODS_FIELD,
+                           'type' => 'xml_field_xml',
+                         ));
 }