diff --git a/modules/rdf/rdf.module b/modules/rdf/rdf.module
index 34f7dac2db7..857d44f63f3 100644
--- a/modules/rdf/rdf.module
+++ b/modules/rdf/rdf.module
@@ -495,12 +495,33 @@ function rdf_preprocess_field(&$variables) {
 function rdf_preprocess_user_profile(&$variables) {
   // Adds RDFa markup to the user profile page. Fields displayed in this page
   // will automatically describe the user.
-  // @todo move to user.module
   $account = $variables['elements']['#account'];
   if (!empty($account->rdf_mapping['rdftype'])) {
     $variables['attributes_array']['typeof'] = $account->rdf_mapping['rdftype'];
     $variables['attributes_array']['about'] = url('user/' . $account->uid);
   }
+  // Adds the relationship between the sioc:User and the foaf:Person who holds
+  // the account.
+  $account_holder_meta = array(
+    '#tag' => 'meta',
+    '#attributes' => array(
+      'about' => url('user/' . $account->uid, array('fragment' => 'me')),
+      'typeof' => array('foaf:Person'),
+      'rel' => array('foaf:account'),
+      'resource' => url('user/' . $account->uid),
+    ),
+  );
+  // Adds the markup for username.
+  $username_meta = array(
+    '#tag' => 'meta',
+    '#attributes' => array(
+      'about' => url('user/' . $account->uid),
+      'property' => $account->rdf_mapping['name']['predicates'],
+      'content' => $account->name,
+    )
+  );
+  drupal_add_html_head($account_holder_meta, 'rdf_user_account_holder');
+  drupal_add_html_head($username_meta, 'rdf_user_username');
 }
 
 /**
diff --git a/modules/rdf/rdf.test b/modules/rdf/rdf.test
index fa0c8c58ff2..5c487403aae 100644
--- a/modules/rdf/rdf.test
+++ b/modules/rdf/rdf.test
@@ -307,14 +307,20 @@ class RdfMappingDefinitionTestCase extends DrupalWebTestCase {
     // Create two users, one with access to user profiles.
     $user1 = $this->drupalCreateUser(array('access user profiles'));
     $user2 = $this->drupalCreateUser();
+    $username = $user2->name;
     $this->drupalLogin($user1);
     // Browse to the user profile page.
     $this->drupalGet('user/' . $user2->uid);
     // Ensure the default bundle mapping for user is used on the user profile
     // page. These attributes come from the user default bundle definition.
-    $profile_url = url('user/' . $user2->uid);
-    $user2_profile_about = $this->xpath("//div[@class='profile' and @typeof='sioc:User' and @about='$profile_url']");
+    $account_uri = url('user/' . $user2->uid);
+    $person_uri = url('user/' . $user2->uid, array('fragment' => 'me'));
+    $user2_profile_about = $this->xpath("//div[@class='profile' and @typeof='sioc:User' and @about='$account_uri']");
     $this->assertTrue(!empty($user2_profile_about), t('RDFa markup found on user profile page'));
+    $user_account_holder = $this->xpath("//meta[contains(@typeof, 'foaf:Person') and @about='$person_uri' and @resource='$account_uri' and contains(@rel, 'foaf:account')]");
+    $this->assertTrue(!empty($user_account_holder), t('URI created for account holder and username set on sioc:User.'));
+    $user_username = $this->xpath("//meta[@about='$account_uri' and contains(@property, 'foaf:name') and @content='$username']");
+    $this->assertTrue(!empty($user_username), t('foaf:name set on username.'));
 
     // User 2 creates node.
     $this->drupalLogin($user2);
@@ -323,7 +329,7 @@ class RdfMappingDefinitionTestCase extends DrupalWebTestCase {
     $this->drupalGet('node/' . $node->nid);
     // Ensures the default bundle mapping for user is used on the Authored By
     // information on the node.
-    $author_about = $this->xpath("//a[@typeof='sioc:User' and @about='$profile_url' and @property='foaf:name' and contains(@xml:lang, '')]");
+    $author_about = $this->xpath("//a[@typeof='sioc:User' and @about='$account_uri' and @property='foaf:name' and contains(@xml:lang, '')]");
     $this->assertTrue(!empty($author_about), t('RDFa markup found on author information on post. xml:lang on username is set to empty string.'));
   }
 }