diff --git a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/VocabularyFields.java b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/VocabularyFields.java
deleted file mode 100644
index 4fb92e99..00000000
--- a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/VocabularyFields.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package eu.europeana.entitymanagement.definitions;
-
-// Collection field names
-public class VocabularyFields {
-
-  private VocabularyFields() {
-    // private constructor to prevent instantiation
-  }
-
-  public static final String URI = "uri";
-
-}
\ No newline at end of file
diff --git a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Organization.java b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Organization.java
index da32e1a8..c636b30a 100644
--- a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Organization.java
+++ b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Organization.java
@@ -274,7 +274,7 @@ public List<Vocabulary> getEuropeanaRole() {
       europeanaRole=new ArrayList<>();
       for(String roleId : europeanaRoleIds) {
         Vocabulary vocab = new Vocabulary();
-        vocab.setUri(roleId);
+        vocab.setId(roleId);
         europeanaRole.add(vocab);
       }
     }
diff --git a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Vocabulary.java b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Vocabulary.java
index 63de0161..73e61fff 100644
--- a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Vocabulary.java
+++ b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/definitions/model/Vocabulary.java
@@ -15,6 +15,7 @@
 import dev.morphia.annotations.Id;
 import dev.morphia.annotations.IndexOptions;
 import dev.morphia.annotations.Indexed;
+import dev.morphia.annotations.Transient;
 import eu.europeana.entitymanagement.utils.VocabularyWatcher;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
@@ -26,12 +27,13 @@
  */
 public class Vocabulary {
 
-  private String type = "Vocabulary";
+  @Transient
+  private String type = "Concept";
   
   @Id @JsonIgnore private ObjectId dbId;
 
   @Indexed(options = @IndexOptions(unique = true))
-  private String uri;
+  private String id;
   
   protected List<String> inScheme;
   
@@ -75,17 +77,17 @@ public Date getModified() {
 
   @Override
   public String toString() {
-    return String.format("Vocabulary.uri: %s", getUri());
+    return String.format("Vocabulary.id: %s", getId());
   }
 
   @JsonGetter
-  public String getUri() {
-    return uri;
+  public String getId() {
+    return id;
   }
 
   @JsonSetter
-  public void setUri(String vocabularyUri) {
-    this.uri = vocabularyUri;
+  public void setId(String id) {
+    this.id = id;
   }
 
   @JsonGetter(IN_SCHEME)
diff --git a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/web/xml/model/XmlOrganizationImpl.java b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/web/xml/model/XmlOrganizationImpl.java
index 7cbdc221..fd7114c8 100644
--- a/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/web/xml/model/XmlOrganizationImpl.java
+++ b/entity-management-definitions/src/main/java/eu/europeana/entitymanagement/web/xml/model/XmlOrganizationImpl.java
@@ -113,7 +113,7 @@ public XmlOrganizationImpl(Organization organization) {
       List<XmlConceptImpl> orgXmlRole= new ArrayList<>();
       for(Vocabulary vocab : orgRole) {
         XmlConceptImpl xmlConcept = new XmlConceptImpl();
-        xmlConcept.setAbout(vocab.getUri());
+        xmlConcept.setAbout(vocab.getId());
         xmlConcept.setPrefLabel(RdfXmlUtils.convertMapToXmlMultilingualString(vocab.getPrefLabel()));
         xmlConcept.setInScheme(RdfXmlUtils.convertToRdfResource(vocab.getInScheme()));
         orgXmlRole.add(xmlConcept);
diff --git a/entity-management-mongo/src/main/java/eu/europeana/entitymanagement/mongo/repository/VocabularyRepository.java b/entity-management-mongo/src/main/java/eu/europeana/entitymanagement/mongo/repository/VocabularyRepository.java
index a49537a3..1467277c 100644
--- a/entity-management-mongo/src/main/java/eu/europeana/entitymanagement/mongo/repository/VocabularyRepository.java
+++ b/entity-management-mongo/src/main/java/eu/europeana/entitymanagement/mongo/repository/VocabularyRepository.java
@@ -1,7 +1,6 @@
 package eu.europeana.entitymanagement.mongo.repository;
 
 import static dev.morphia.query.experimental.filters.Filters.in;
-import static eu.europeana.entitymanagement.definitions.VocabularyFields.URI;
 import java.util.ArrayList;
 import java.util.List;
 import javax.annotation.Resource;
@@ -17,15 +16,17 @@ public class VocabularyRepository  {
   
   @Resource(name = AppConfigConstants.BEAN_EM_DATA_STORE)
   Datastore datastore;
+  
+  private static final String ID = "id";
 
   /**
-   * retrieve records by their URI/id
-   * @param vocabularyUris
+   * retrieve records by their id
+   * @param vocabularyIds
    * @return
    */
-  public List<Vocabulary> findByUri(List<String> vocabularyUris) {
+  public List<Vocabulary> findByUri(List<String> vocabularyIds) {
     List<Filter> filters = new ArrayList<>();
-    filters.add(in(URI, vocabularyUris));
+    filters.add(in(ID, vocabularyIds));
     return datastore.find(Vocabulary.class)
         .filter(filters.toArray(Filter[]::new))
         .iterator()
diff --git a/entity-management-web/src/main/java/eu/europeana/entitymanagement/config/AppAutoconfig.java b/entity-management-web/src/main/java/eu/europeana/entitymanagement/config/AppAutoconfig.java
index 7e063926..77b5bbbd 100644
--- a/entity-management-web/src/main/java/eu/europeana/entitymanagement/config/AppAutoconfig.java
+++ b/entity-management-web/src/main/java/eu/europeana/entitymanagement/config/AppAutoconfig.java
@@ -80,7 +80,7 @@ public void ensureDatabaseInitialization() throws ApplicationInitializationExcep
         for(XmlBaseEntityImpl<?> xmlEntity : xmlEntities) {
           XmlConceptImpl xmlConcept = (XmlConceptImpl) xmlEntity;
           Vocabulary vocab = new Vocabulary();
-          vocab.setUri(xmlConcept.getAbout());
+          vocab.setId(xmlConcept.getAbout());
           vocab.setInScheme(RdfXmlUtils.toStringList(xmlConcept.getInScheme()));
           vocab.setPrefLabel(RdfXmlUtils.toLanguageMap(xmlConcept.getPrefLabel()));
           roles.add(vocab);
diff --git a/entity-management-web/src/test/java/eu/europeana/entitymanagement/web/UtilityTests.java b/entity-management-web/src/test/java/eu/europeana/entitymanagement/web/UtilityTests.java
index 1744a725..6b4038c7 100644
--- a/entity-management-web/src/test/java/eu/europeana/entitymanagement/web/UtilityTests.java
+++ b/entity-management-web/src/test/java/eu/europeana/entitymanagement/web/UtilityTests.java
@@ -64,7 +64,7 @@ public void saveVocabulariesToMongo() throws Exception {
       XmlConceptImpl xmlConcept = (XmlConceptImpl) xmlEntity;
       Concept concept = xmlConcept.toEntityModel();
       Vocabulary vocab = new Vocabulary();
-      vocab.setUri(concept.getEntityId());
+      vocab.setId(concept.getEntityId());
       vocab.setInScheme(concept.getInScheme());
       vocab.setPrefLabel(concept.getPrefLabel());
       vocabularyRepo.save(vocab);