diff --git a/depicts/human.py b/depicts/human.py
index 9409fca..d7c71af 100644
--- a/depicts/human.py
+++ b/depicts/human.py
@@ -1,5 +1,5 @@
 from .model import HumanItem
-from . import mediawiki
+from . import mediawiki, utils
 import re
 
 re_four_digits = re.compile(r'\b\d{4}\b')
@@ -41,19 +41,20 @@ def from_name(name):
     qids = list(lookup.keys())
 
     found = []
-    for entity in mediawiki.get_entities_with_cache(qids, props='labels|descriptions'):
-        qid = entity['id']
-        item = lookup[qid]
-        i = {
-            'qid': entity['id'],
-            'year_of_birth': item.year_of_birth,
-            'year_of_death': item.year_of_death,
-        }
-        label = mediawiki.get_entity_label(entity)
-        if label:
-            i['label'] = label
-        if 'en' in entity['descriptions']:
-            i['description'] = entity['descriptions']['en']['value']
-        found.append(i)
+    for cur in utils.chunk(qids, 50):
+        for entity in mediawiki.get_entities_with_cache(cur, props='labels|descriptions'):
+            qid = entity['id']
+            item = lookup[qid]
+            i = {
+                'qid': entity['id'],
+                'year_of_birth': item.year_of_birth,
+                'year_of_death': item.year_of_death,
+            }
+            label = mediawiki.get_entity_label(entity)
+            if label:
+                i['label'] = label
+            if 'en' in entity['descriptions']:
+                i['description'] = entity['descriptions']['en']['value']
+            found.append(i)
     found.sort(key=lambda i: i['label'])
     return found
diff --git a/depicts/mediawiki.py b/depicts/mediawiki.py
index 2bd96f7..9a05c63 100644
--- a/depicts/mediawiki.py
+++ b/depicts/mediawiki.py
@@ -1,6 +1,7 @@
 import requests
 import os
 import json
+import hashlib
 from .category import Category
 
 wikidata_url = 'https://www.wikidata.org/w/api.php'
@@ -64,7 +65,9 @@ def get_entity_with_cache(qid, refresh=False):
     return entity
 
 def get_entities_with_cache(ids, **params):
-    filename = f'cache/entities_{"_".join(ids)}.json'
+    md5 = hashlib.md5(' '.join(ids).encode('utf-8')).hexdigest()
+
+    filename = f'cache/entities_{md5}.json'
     if os.path.exists(filename):
         entity = json.load(open(filename))
     else: