diff --git a/models/resources/workflow/workflow.go b/models/resources/workflow/workflow.go
index 87baffe..b1e6222 100644
--- a/models/resources/workflow/workflow.go
+++ b/models/resources/workflow/workflow.go
@@ -2,33 +2,27 @@ package oclib
 
 import (
 	"encoding/json"
+	"slices"
 
 	"cloud.o-forge.io/core/oc-lib/models/resources"
-	"cloud.o-forge.io/core/oc-lib/models/resources/data"
-	"cloud.o-forge.io/core/oc-lib/models/resources/datacenter"
-	"cloud.o-forge.io/core/oc-lib/models/resources/processing"
-	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
 	"cloud.o-forge.io/core/oc-lib/models/resources/workflow/graph"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 )
 
 type AbstractWorkflow struct {
-	Graph              *graph.Graph                             `bson:"graph,omitempty" json:"graph,omitempty"`
-	Datas              map[string]data.DataResource             `bson:"datas,omitempty" json:"datas,omitempty"`
-	Storages           map[string]storage.StorageResource       `bson:"storages,omitempty" json:"storages,omitempty"`
-	ProcessingResource map[string]processing.ProcessingResource `bson:"processing,omitempty" json:"processing,omitempty"`
-	Datacenters        map[string]datacenter.DatacenterResource `bson:"datacenters,omitempty" json:"datacenters,omitempty"`
-	Workflows          map[string]WorkflowResource              `bson:"workflows,omitempty" json:"workflows,omitempty"`
-	Schedule           *WorkflowSchedule                        `bson:"schedule,omitempty" json:"schedule,omitempty"`
+	Graph              *graph.Graph      `bson:"graph,omitempty" json:"graph,omitempty"`
+	Datas              []string          `bson:"datas,omitempty" json:"datas,omitempty"`
+	Storages           []string          `bson:"storages,omitempty" json:"storages,omitempty"`
+	ProcessingResource []string          `bson:"processing,omitempty" json:"processing,omitempty"`
+	Datacenters        []string          `bson:"datacenters,omitempty" json:"datacenters,omitempty"`
+	Workflows          []string          `bson:"workflows,omitempty" json:"workflows,omitempty"`
+	Schedule           *WorkflowSchedule `bson:"schedule,omitempty" json:"schedule,omitempty"`
 }
 
 func (w *AbstractWorkflow) isDCLink(link graph.GraphLink) bool {
-	if _, exists := w.Datacenters[link.Destination.ID]; exists {
-		return true
-	} else if _, exists := w.Datacenters[link.Source.ID]; exists {
+	if slices.Contains(w.Datacenters, link.Destination.ID) || slices.Contains(w.Datacenters, link.Source.ID) {
 		return true
 	}
-
 	return false
 }