diff --git a/ifbcat_api/serializers.py b/ifbcat_api/serializers.py
index 4210e31..80e3d30 100644
--- a/ifbcat_api/serializers.py
+++ b/ifbcat_api/serializers.py
@@ -150,6 +150,7 @@ class Meta:
 
     rdf_mapping = dict(
         _type='Person',
+        _conformsTo='https://bioschemas.org/profiles/Person/0.2-DRAFT-2019_07_19',
         firstname='givenName',
         lastname='familyName',
         expertise='expertise',
@@ -401,11 +402,13 @@ def get_rdf_mapping(self, instance_id=None):
         if self.Meta.model.objects.filter(id=instance_id, type='Training course').exists():
             return dict(
                 _type='CourseInstance',
+                _conformsTo='https://bioschemas.org/profiles/CourseInstance/0.8-DRAFT-2020_10_06',
                 **self.AbstractEvent_rdf_mapping,
                 **self.Event_rdf_mapping,
             )
         return dict(
             _type='Event',
+            _conformsTo='https://bioschemas.org/profiles/Event/0.2-DRAFT-2019_06_14',
             **self.AbstractEvent_rdf_mapping,
             **self.Event_rdf_mapping,
         )
@@ -458,6 +461,7 @@ class TrainingSerializer(EventSerializer):
 
     rdf_mapping = dict(
         _type='Course',
+        _conformsTo='https://bioschemas.org/profiles/Course/0.9-DRAFT-2020_12_08',
         event_set='hasCourseInstance',
         **EventSerializer.AbstractEvent_rdf_mapping,
     )
@@ -772,6 +776,7 @@ class Meta:
 
     rdf_mapping = dict(
         _type='LearningResource',
+        _conformsTo='https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE',
         # Minimum
         name='name',
         fileName='alternateName',
@@ -900,6 +905,7 @@ class Meta:
 
     rdf_mapping = dict(
         _type='Organization',
+        _conformsTo='https://bioschemas.org/profiles/Organization/0.2-DRAFT-2019_07_19',
         _slug_name='name',
         name='name',
         description='description',