diff --git a/swh/indexer/codemeta.py b/swh/indexer/codemeta.py
--- a/swh/indexer/codemeta.py
+++ b/swh/indexer/codemeta.py
@@ -22,12 +22,16 @@
 
 CODEMETA_CONTEXT_URL = 'https://doi.org/10.5063/schema/codemeta-2.0'
 CODEMETA_URI = 'https://codemeta.github.io/terms/'
+SCHEMA_URI = 'http://schema.org/'
 
 
-# CodeMeta properties that we cannot properly represent.
 PROPERTY_BLACKLIST = {
-    'https://codemeta.github.io/terms/softwareRequirements',
-    'https://codemeta.github.io/terms/softwareSuggestions',
+    # CodeMeta properties that we cannot properly represent.
+    CODEMETA_URI + 'softwareRequirements',
+    CODEMETA_URI + 'softwareSuggestions',
+
+    # Duplicate of 'author'
+    CODEMETA_URI + 'creator',
     }
 
 
diff --git a/swh/indexer/metadata_dictionary.py b/swh/indexer/metadata_dictionary.py
--- a/swh/indexer/metadata_dictionary.py
+++ b/swh/indexer/metadata_dictionary.py
@@ -3,11 +3,12 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
+import re
 import abc
 import json
 import logging
 
-from swh.indexer.codemeta import CROSSWALK_TABLE, compact
+from swh.indexer.codemeta import CROSSWALK_TABLE, CODEMETA_URI, compact
 
 
 MAPPINGS = {}
@@ -145,12 +146,64 @@
     mapping = CROSSWALK_TABLE['NodeJS']
     filename = b'package.json'
 
+    _schema_shortcuts = {
+            'github': 'https://github.com/',
+            'gist': 'https://gist.github.com/',
+            'bitbucket': 'https://bitbucket.org/',
+            'gitlab': 'https://gitlab.com/',
+            }
+
     def normalize_repository(self, d):
-        return '{type}+{url}'.format(**d)
+        """https://docs.npmjs.com/files/package.json#repository"""
+        if isinstance(d, dict):
+            return '{type}+{url}'.format(**d)
+        elif isinstance(d, str):
+            if '://' in d:
+                return d
+            elif ':' in d:
+                (schema, rest) = d.split(':', 1)
+                if schema in self._schema_shortcuts:
+                    return self._schema_shortcuts[schema] + rest
+                else:
+                    return None
+            else:
+                return self._schema_shortcuts['github'] + d
+
+        else:
+            return None
 
     def normalize_bugs(self, d):
         return '{url}'.format(**d)
 
+    _parse_author = re.compile(r'^ *'
+                               r'(?P<name>.*?)'
+                               r'( +<(?P<email>.*)>)?'
+                               r'( +\((?P<url>.*)\))?'
+                               r' *$')
+
+    def normalize_author(self, d):
+        'https://docs.npmjs.com/files/package.json' \
+                '#people-fields-author-contributors'
+        author = {'@type': CODEMETA_URI+'Person'}
+        if isinstance(d, dict):
+            name = d.get('name', None)
+            email = d.get('email', None)
+            url = d.get('url', None)
+        elif isinstance(d, str):
+            match = self._parse_author.match(d)
+            name = match.group('name')
+            email = match.group('email')
+            url = match.group('url')
+        else:
+            return None
+        if name:
+            author[CODEMETA_URI+'name'] = name
+        if email:
+            author[CODEMETA_URI+'email'] = email
+        if url:
+            author[CODEMETA_URI+'url'] = url
+        return author
+
 
 @register_mapping
 class CodemetaMapping(JsonMapping):
diff --git a/swh/indexer/tests/test_metadata.py b/swh/indexer/tests/test_metadata.py
--- a/swh/indexer/tests/test_metadata.py
+++ b/swh/indexer/tests/test_metadata.py
@@ -89,7 +89,7 @@
             'cpu': 'https://codemeta.github.io/terms/processorRequirements',
             'engines':
                 'https://codemeta.github.io/terms/processorRequirements',
-            'author': 'https://codemeta.github.io/terms/creator',
+            'author': 'https://codemeta.github.io/terms/author',
             'author.email': 'https://codemeta.github.io/terms/email',
             'author.name': 'https://codemeta.github.io/terms/name',
             'contributor': 'https://codemeta.github.io/terms/contributor',
@@ -130,6 +130,10 @@
                   "repository": {
                     "type": "git",
                     "url": "https://github.com/moranegg/metadata_test"
+                },
+                "author": {
+                    "email": "moranegg@example.com",
+                    "name": "Morane G"
                 }
             }
         """
@@ -140,6 +144,11 @@
             'codemeta:description': 'Simple package.json test for indexer',
             'codemeta:codeRepository':
                 'git+https://github.com/moranegg/metadata_test',
+            'codemeta:author': {
+                'type': 'codemeta:Person',
+                'codemeta:name': 'Morane G',
+                'codemeta:email': 'moranegg@example.com',
+            },
         }
 
         # when
@@ -224,8 +233,12 @@
                 '@context': 'https://doi.org/10.5063/schema/codemeta-2.0',
                 'codemeta:issueTracker':
                     'https://github.com/npm/npm/issues',
-                'codemeta:creator':
-                    'Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)',
+                'codemeta:author': {
+                    'type': 'codemeta:Person',
+                    'codemeta:name': 'Isaac Z. Schlueter',
+                    'codemeta:email': 'i@izs.me',
+                    'codemeta:url': 'http://blog.izs.me',
+                },
                 'codemeta:codeRepository':
                     'git+https://github.com/npm/npm',
                 'codemeta:description': 'a package manager for JavaScript',