diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
index 9df7d5a..8e24f48 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql
@@ -64,7 +64,7 @@ CONSTRUCT {
 ?temporal aoprop:periodOName ?temporalPeriodName .
 ?temporal aoprop:from ?temporalFrom .
 ?temporal aoprop:until ?temporalUntil .
-?temporal aoprop:uri ?temporal .
+?temporal aoprop:uri ?periodOURI .
 %record aoprop:temporalNative ?temporalNative .
 ?temporalNative aoprop:nativePeriodName ?temporalNativePeriodName .
 ?temporalNative aoprop:nativeFrom ?temporalNativeFrom .
@@ -153,14 +153,14 @@ where {
 
     optional {
         graph <https://ariadne-infrastructure.eu/api_________::ariadne_plus::%datasource::%collectionId> {
-            select distinct ?temporal ?temporalPeriodName ?temporalFrom ?temporalUntil
+            select distinct ?temporal ?temporalPeriodName ?temporalFrom ?temporalUntil ?periodOURI
             where {
                 %record aocat:has_temporal_coverage ?temporal .
                 graph <https://ariadne-infrastructure.eu/ariadneplus::%datasource::periodoplus> {
-                    ?temporal aocat:has_period ?label .
+                    ?temporal aocat:has_period ?periodOURI .
                     graph <https://ariadne-infrastructure.eu/ariadneplus::%datasource::periodo> {
 
-                        ?label skos:prefLabel ?origTemporalPeriodName .
+                        ?periodOURI skos:prefLabel ?origTemporalPeriodName .
                     }
                     optional {
                         ?temporal aocat:from ?temporalFrom .
diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_record_data_template.sparql b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_record_data_template.sparql
index bd611ac..f0fbbb3 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_record_data_template.sparql
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/resources/eu/dnetlib/ariadneplus/sparql/read_record_data_template.sparql
@@ -66,7 +66,7 @@ CONSTRUCT {
 ?temporal aoprop:periodOName ?temporalPeriodName .
 ?temporal aoprop:from ?temporalFrom .
 ?temporal aoprop:until ?temporalUntil .
-?temporal aoprop:uri ?temporal .
+?temporal aoprop:uri ?periodOURI .
 %record aoprop:temporalNative ?temporalNative .
 ?temporalNative aoprop:nativePeriodName ?temporalNativePeriodName .
 ?temporalNative aoprop:nativeFrom ?temporalNativeFrom .
@@ -167,14 +167,14 @@ where {
 
     optional {
         graph <https://ariadne-infrastructure.eu/api_________::ariadne_plus::%datasource::%collectionId> {
-            select distinct ?temporal ?temporalPeriodName ?temporalFrom ?temporalUntil
+            select distinct ?temporal ?temporalPeriodName ?temporalFrom ?temporalUntil ?periodOURI
             where {
                 %record aocat:has_temporal_coverage ?temporal .
                 graph <https://ariadne-infrastructure.eu/ariadneplus::%datasource::periodoplus> {
-                    ?temporal aocat:has_period ?label .
+                    ?temporal aocat:has_period ?periodOURI .
                     graph <https://ariadne-infrastructure.eu/ariadneplus::%datasource::periodo> {
 
-                        ?label skos:prefLabel ?origTemporalPeriodName .
+                        ?periodOURI skos:prefLabel ?origTemporalPeriodName .
                     }
                     optional {
                         ?temporal aocat:from ?temporalFrom .