diff --git a/.github/workflows/aggregate.yaml b/.github/workflows/aggregate.yaml
index c4ad516..cfb5fcf 100644
--- a/.github/workflows/aggregate.yaml
+++ b/.github/workflows/aggregate.yaml
@@ -1,13 +1,9 @@
 name: Aggregate
 
 on: 
-    # schedule:
-    # - cron: '0 0 * * *'
-    [push]
-        
-        
+    schedule:
+    - cron: '12 5 * * *'
     
-
 jobs:
     aggregate:
         runs-on: ubuntu-latest
diff --git a/workflowhub_graph/absolutize.py b/workflowhub_graph/absolutize.py
index 0319d86..280ffdd 100644
--- a/workflowhub_graph/absolutize.py
+++ b/workflowhub_graph/absolutize.py
@@ -6,6 +6,13 @@
 import rdflib
 
 
+# TODO: following https://github.com/workflowhub-eu/workflowhub-graph/issues/12
+#       builing upon is_all_absolute 
+#       add extended RO-Crate profile validation
+#       get information like schema.org domain and check if the graph is compliant with the schema
+#       normative schema.org dev docs: https://schema.org/docs/developers.html
+#       make a note for validation of the graph
+
 def is_all_absolute(G: rdflib.Graph) -> bool:
     for triple in G:
         for item in triple:
@@ -23,10 +30,6 @@ def is_all_absolute(G: rdflib.Graph) -> bool:
     return True
 
 
-# TODO: RO-Crate profile validation
-# get information like schema.org domain and check if the graph is compliant with the schema
-# normative schema.org dev docs: https://schema.org/docs/developers.html
-# TODO: make a note for validation of the graph
 
 
 def make_paths_absolute(