diff --git a/src/main/java/org/gcube/informationsystem/model/relation/P9_consists_of.java b/src/main/java/org/gcube/informationsystem/model/relation/P9_consists_of.java
deleted file mode 100644
index 396c8d5..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/P9_consists_of.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface P9_consists_of {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP11_curates_volatile_digital_object.java b/src/main/java/org/gcube/informationsystem/model/relation/PP11_curates_volatile_digital_object.java
index 35075ec..a28b129 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP11_curates_volatile_digital_object.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/PP11_curates_volatile_digital_object.java
@@ -1,6 +1,12 @@
 package org.gcube.informationsystem.model.relation;
 
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE10_Digital_Curating_Service;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE20_Volatile_Digital_Object;
+import org.gcube.informationsystem.model.relation.isrelatedto.parthenos.PP32_curates;
 
-public interface PP11_curates_volatile_digital_object extends PP32_curates {
+
+public interface PP11_curates_volatile_digital_object
+	<Out extends PE10_Digital_Curating_Service, In extends PE20_Volatile_Digital_Object> 
+		extends PP32_curates<Out,In> {
 
 }
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP11i_was_volatile_digital_object_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/PP11i_was_volatile_digital_object_curated_by.java
index cdf6526..8b45208 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP11i_was_volatile_digital_object_curated_by.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/PP11i_was_volatile_digital_object_curated_by.java
@@ -1,5 +1,8 @@
 package org.gcube.informationsystem.model.relation;
 
+import org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse.PP32i_is_curated_by;
+
+
 
 /**
  * @author Luca Frosini (ISTI - CNR)
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP12_curates_volatile_software.java b/src/main/java/org/gcube/informationsystem/model/relation/PP12_curates_volatile_software.java
deleted file mode 100644
index 3df5972..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP12_curates_volatile_software.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP12_curates_volatile_software extends PP11_curates_volatile_digital_object {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP12i_was_volatile_software_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/PP12i_was_volatile_software_curated_by.java
deleted file mode 100644
index 6194f91..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP12i_was_volatile_software_curated_by.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP12i_was_volatile_software_curated_by extends
-		PP11i_was_volatile_digital_object_curated_by {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP13_curates_volatile_dataset.java b/src/main/java/org/gcube/informationsystem/model/relation/PP13_curates_volatile_dataset.java
deleted file mode 100644
index 40aae2c..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP13_curates_volatile_dataset.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP13_curates_volatile_dataset extends
-		PP11_curates_volatile_digital_object {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP13i_was_volatile_dataset_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/PP13i_was_volatile_dataset_curated_by.java
deleted file mode 100644
index 1886847..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP13i_was_volatile_dataset_curated_by.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP13i_was_volatile_dataset_curated_by extends
-		PP11i_was_volatile_digital_object_curated_by {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP1_currently_offers.java b/src/main/java/org/gcube/informationsystem/model/relation/PP1_currently_offers.java
deleted file mode 100644
index c0c0ac2..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP1_currently_offers.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP1_currently_offers extends P9_consists_of {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP1i_is_currently_offered_by.java b/src/main/java/org/gcube/informationsystem/model/relation/PP1i_is_currently_offered_by.java
deleted file mode 100644
index 38d4d16..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP1i_is_currently_offered_by.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP1i_is_currently_offered_by extends P9i_forms_part_of {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP32_curates.java b/src/main/java/org/gcube/informationsystem/model/relation/PP32_curates.java
deleted file mode 100644
index d454928..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP32_curates.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP32_curates {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP40_created_successor_of.java b/src/main/java/org/gcube/informationsystem/model/relation/PP40_created_successor_of.java
deleted file mode 100644
index 6bd7b90..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP40_created_successor_of.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.P16_used_specific_object;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP40_created_successor_of extends P16_used_specific_object {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP8_hosts_dataset.java b/src/main/java/org/gcube/informationsystem/model/relation/PP8_hosts_dataset.java
deleted file mode 100644
index c00fa7a..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP8_hosts_dataset.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-import org.gcube.informationsystem.model.relation.isrelatedto.parthenos.PP6_hosts_digital_object;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP8_hosts_dataset extends PP6_hosts_digital_object {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP8i_is_dataset_hosted_by.java b/src/main/java/org/gcube/informationsystem/model/relation/PP8i_is_dataset_hosted_by.java
deleted file mode 100644
index 22e12e4..0000000
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP8i_is_dataset_hosted_by.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package org.gcube.informationsystem.model.relation;
-
-import org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse.PP6i_is_digital_object_hosted_by;
-
-
-/**
- * @author Luca Frosini (ISTI - CNR)
- */
-public interface PP8i_is_dataset_hosted_by extends
-		PP6i_is_digital_object_hosted_by {
-
-}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/P9_consists_of.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/P9_consists_of.java
new file mode 100644
index 0000000..87de142
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/P9_consists_of.java
@@ -0,0 +1,34 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.cidoc;
+
+import org.gcube.informationsystem.model.entity.Resource;
+import org.gcube.informationsystem.model.relation.IsRelatedTo;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ * Domain: E4 Period
+ * Range: E4 Period
+ * Subproperty of: E92 Spacetime Volume. P132 spatiotemporally overlaps 
+ * with.:E92 Spacetime Volume
+ * Quantification: one to many, (0,n:0,1)
+ * 
+ * Scope note: This property associates an instance of E4 Period with another 
+ * instance of E4 Period that is defined by a subset of the phenomena that 
+ * define the former. Therefore the spacetime volume of the latter must fall
+ * within the spacetime volume of the former.
+ * 
+ * This property is transitive.
+ * 
+ * Examples:
+ *    Cretan Bronze Age (E4) consists of Middle Minoan (E4)
+ * 
+ * In First Order Logic:
+ * P9(x,y) ⊃ E4(x)
+ * P9(x,y) ⊃ E4(y)
+ * P9(x,y) ⊃ P10(y,x)
+ * 
+ */
+public interface P9_consists_of
+	<Out extends Resource, In extends Resource>
+		extends IsRelatedTo<Out, In>  {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/P9i_forms_part_of.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/inverse/P9i_forms_part_of.java
similarity index 52%
rename from src/main/java/org/gcube/informationsystem/model/relation/P9i_forms_part_of.java
rename to src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/inverse/P9i_forms_part_of.java
index 8b20445..0b0c478 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/P9i_forms_part_of.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/cidoc/inverse/P9i_forms_part_of.java
@@ -1,4 +1,4 @@
-package org.gcube.informationsystem.model.relation;
+package org.gcube.informationsystem.model.relation.isrelatedto.cidoc.inverse;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP12_curates_volatile_software.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP12_curates_volatile_software.java
new file mode 100644
index 0000000..c757541
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP12_curates_volatile_software.java
@@ -0,0 +1,15 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE11_Software_Curating_Service;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE23_Volatile_Software;
+import org.gcube.informationsystem.model.relation.PP11_curates_volatile_digital_object;
+
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP12_curates_volatile_software
+	<Out extends PE11_Software_Curating_Service, In extends PE23_Volatile_Software> 
+		extends PP11_curates_volatile_digital_object<Out,In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP13_curates_volatile_dataset.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP13_curates_volatile_dataset.java
new file mode 100644
index 0000000..933d3f0
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP13_curates_volatile_dataset.java
@@ -0,0 +1,14 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE12_Data_Curating_Service;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE24_Volatile_Dataset;
+import org.gcube.informationsystem.model.relation.PP11_curates_volatile_digital_object;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP13_curates_volatile_dataset
+	<Out extends PE12_Data_Curating_Service, In extends PE24_Volatile_Dataset> 
+		extends PP11_curates_volatile_digital_object<Out,In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP14_runs_on_request.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP14_runs_on_request.java
similarity index 86%
rename from src/main/java/org/gcube/informationsystem/model/relation/PP14_runs_on_request.java
rename to src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP14_runs_on_request.java
index ae7d380..bad76fd 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP14_runs_on_request.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP14_runs_on_request.java
@@ -1,11 +1,9 @@
-package org.gcube.informationsystem.model.relation;
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
 
 import org.gcube.informationsystem.model.entity.resource.cidoc.D14_Software;
 import org.gcube.informationsystem.model.entity.resource.parthenos.PE13_Software_Computing_E_Service;
 import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.P16_used_specific_object;
 
-
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP1_currently_offers.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP1_currently_offers.java
new file mode 100644
index 0000000..3d03168
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP1_currently_offers.java
@@ -0,0 +1,14 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE1_Service;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE26_RI_Project;
+import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.P9_consists_of;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP1_currently_offers
+	<Out extends PE26_RI_Project, In extends PE1_Service>
+		extends P9_consists_of<Out,In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP32_curates.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP32_curates.java
new file mode 100644
index 0000000..10be609
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP32_curates.java
@@ -0,0 +1,14 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE32_Curated_Thing;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE3_Curating_Service;
+import org.gcube.informationsystem.model.relation.IsRelatedTo;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP32_curates
+	<Out extends PE3_Curating_Service, In extends PE32_Curated_Thing>
+		extends IsRelatedTo<Out, In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP40_created_successor_of.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP40_created_successor_of.java
new file mode 100644
index 0000000..62bebf8
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP40_created_successor_of.java
@@ -0,0 +1,14 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.cidoc.E65_Creation;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE22_Persistent_Dataset;
+import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.P16_used_specific_object;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP40_created_successor_of
+	<Out extends E65_Creation, In extends PE22_Persistent_Dataset> 
+		extends P16_used_specific_object<Out,In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP8_hosts_dataset.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP8_hosts_dataset.java
new file mode 100644
index 0000000..b97d4eb
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/PP8_hosts_dataset.java
@@ -0,0 +1,14 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos;
+
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE18_Dataset;
+import org.gcube.informationsystem.model.entity.resource.parthenos.PE7_Data_Hosting_Service;
+import org.gcube.informationsystem.model.relation.isrelatedto.Manages;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP8_hosts_dataset
+	<Out extends PE7_Data_Hosting_Service, In extends PE18_Dataset> 
+		extends PP6_hosts_digital_object<Out,In>, Manages<Out, In> {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP12i_was_volatile_software_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP12i_was_volatile_software_curated_by.java
new file mode 100644
index 0000000..4afdb30
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP12i_was_volatile_software_curated_by.java
@@ -0,0 +1,13 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
+
+import org.gcube.informationsystem.model.relation.PP11i_was_volatile_digital_object_curated_by;
+
+
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP12i_was_volatile_software_curated_by extends
+		PP11i_was_volatile_digital_object_curated_by {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP13i_was_volatile_dataset_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP13i_was_volatile_dataset_curated_by.java
new file mode 100644
index 0000000..6d9af7f
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP13i_was_volatile_dataset_curated_by.java
@@ -0,0 +1,13 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
+
+import org.gcube.informationsystem.model.relation.PP11i_was_volatile_digital_object_curated_by;
+
+
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP13i_was_volatile_dataset_curated_by extends
+		PP11i_was_volatile_digital_object_curated_by {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP14i_is_run_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP14i_is_run_by.java
similarity index 71%
rename from src/main/java/org/gcube/informationsystem/model/relation/PP14i_is_run_by.java
rename to src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP14i_is_run_by.java
index 4dc5055..7d087c4 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP14i_is_run_by.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP14i_is_run_by.java
@@ -1,8 +1,7 @@
-package org.gcube.informationsystem.model.relation;
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
 
 import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.inverse.P16i_was_used_for;
 
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP1i_is_currently_offered_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP1i_is_currently_offered_by.java
new file mode 100644
index 0000000..c5a87f2
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP1i_is_currently_offered_by.java
@@ -0,0 +1,11 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
+
+import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.inverse.P9i_forms_part_of;
+
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP1i_is_currently_offered_by extends P9i_forms_part_of {
+
+}
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP32i_is_curated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP32i_is_curated_by.java
similarity index 51%
rename from src/main/java/org/gcube/informationsystem/model/relation/PP32i_is_curated_by.java
rename to src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP32i_is_curated_by.java
index 66bfb60..3041a3c 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP32i_is_curated_by.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP32i_is_curated_by.java
@@ -1,4 +1,4 @@
-package org.gcube.informationsystem.model.relation;
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/PP40i_was_deprecated_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP40i_was_deprecated_by.java
similarity index 72%
rename from src/main/java/org/gcube/informationsystem/model/relation/PP40i_was_deprecated_by.java
rename to src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP40i_was_deprecated_by.java
index b1ec5cc..4e2958a 100644
--- a/src/main/java/org/gcube/informationsystem/model/relation/PP40i_was_deprecated_by.java
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP40i_was_deprecated_by.java
@@ -1,4 +1,4 @@
-package org.gcube.informationsystem.model.relation;
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
 
 import org.gcube.informationsystem.model.relation.isrelatedto.cidoc.inverse.P16i_was_used_for;
 
diff --git a/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP8i_is_dataset_hosted_by.java b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP8i_is_dataset_hosted_by.java
new file mode 100644
index 0000000..2d74a06
--- /dev/null
+++ b/src/main/java/org/gcube/informationsystem/model/relation/isrelatedto/parthenos/inverse/PP8i_is_dataset_hosted_by.java
@@ -0,0 +1,11 @@
+package org.gcube.informationsystem.model.relation.isrelatedto.parthenos.inverse;
+
+
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public interface PP8i_is_dataset_hosted_by extends
+		PP6i_is_digital_object_hosted_by {
+
+}