diff --git a/models/resources/resource.go b/models/resources/resource.go
index 958e7d5..253aa18 100644
--- a/models/resources/resource.go
+++ b/models/resources/resource.go
@@ -28,9 +28,9 @@ type ResourceSet struct {
 }
 
 type ItemResource struct {
-	Data       data.DataResource             `bson:"data,omitempty" json:"data,omitempty"`
-	Processing processing.ProcessingResource `bson:"processing,omitempty" json:"processing,omitempty"`
-	Storage    storage.StorageResource       `bson:"storage,omitempty" json:"storage,omitempty"`
-	Datacenter datacenter.DatacenterResource `bson:"datacenter,omitempty" json:"datacenter,omitempty"`
-	Workflow   w.WorkflowResource            `bson:"workflow,omitempty" json:"workflow,omitempty"`
+	Data       *data.DataResource             `bson:"data,omitempty" json:"data,omitempty"`
+	Processing *processing.ProcessingResource `bson:"processing,omitempty" json:"processing,omitempty"`
+	Storage    *storage.StorageResource       `bson:"storage,omitempty" json:"storage,omitempty"`
+	Datacenter *datacenter.DatacenterResource `bson:"datacenter,omitempty" json:"datacenter,omitempty"`
+	Workflow   *w.WorkflowResource            `bson:"workflow,omitempty" json:"workflow,omitempty"`
 }