diff --git a/linkml_model/model/schema/datasets.yaml b/linkml_model/model/schema/datasets.yaml
index 2edc3a57..e0d92dc1 100644
--- a/linkml_model/model/schema/datasets.yaml
+++ b/linkml_model/model/schema/datasets.yaml
@@ -23,6 +23,7 @@ prefixes:
   mediatypes: https://www.iana.org/assignments/media-types/
   oslc: http://open-services.net/ns/core#
   bibo: http://purl.org/ontology/bibo/
+  dcterms: http://purl.org/dc/terms/
 
 default_prefix: datasets
 default_range: string
diff --git a/linkml_model/model/schema/meta.yaml b/linkml_model/model/schema/meta.yaml
index 25681592..6978aa84 100644
--- a/linkml_model/model/schema/meta.yaml
+++ b/linkml_model/model/schema/meta.yaml
@@ -49,6 +49,9 @@ prefixes:
   qudt: http://qudt.org/schema/qudt/
   cdisc: http://rdf.cdisc.org/mms#
   SIO: http://semanticscience.org/resource/SIO_
+  dcterms: http://purl.org/dc/terms/
+  rdfs: http://www.w3.org/2000/01/rdf-schema#
+  rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
 
 default_prefix: linkml
 default_range: string
diff --git a/linkml_model/model/schema/units.yaml b/linkml_model/model/schema/units.yaml
index fc05247f..15e20135 100644
--- a/linkml_model/model/schema/units.yaml
+++ b/linkml_model/model/schema/units.yaml
@@ -6,6 +6,7 @@ license: https://creativecommons.org/publicdomain/zero/1.0/
 prefixes:
   linkml: https://w3id.org/linkml/
   qudt: http://qudt.org/schema/qudt/
+  rdfs: http://www.w3.org/2000/01/rdf-schema#
 
 default_prefix: linkml
 default_range: string