diff --git a/atomistic.ttl b/atomistic.ttl
index 85e97ef..75354fe 100644
--- a/atomistic.ttl
+++ b/atomistic.ttl
@@ -1,4 +1,4 @@
-@prefix : <http://emmo.info/domain-atomistic#> .
+@prefix : <https://w3id.org/emmo/domain/atomistic#> .
 @prefix core: <http://www.w3.org/2004/02/skos/core#> .
 @prefix emmo: <http://emmo.info/emmo#> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
@@ -8,7 +8,7 @@
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<http://emmo.info/domain-atomistic> a owl:Ontology ;
+<https://w3id.org/emmo/domain/atomistic> a owl:Ontology ;
     emmo:EMMO_5525a055_dda5_4556_8b91_f0d22fa676cc "https://creativecommons.org/licenses/by/4.0/legalcode"@en ;
     term:abstract "An EMMO-based domain ontology for atomistic and electronic modelling.Atomistic is released under the Creative Commons Attribution 4.0 International license (CC BY 4.0)."@en ;
     term:contributor "SINTEF"@en ;
@@ -30,7 +30,7 @@ email: francesca.l.bleken@sintef.no"""@en,
     owl:versionIRI <http://emmo.info/0.0.1/domain-atomistic> ;
     owl:versionInfo "0.0.1"@en .
 
-<http://emmo.info/domain-atomistic#21c6ff70-4800-555e-b642-74ba2aaeb039> a owl:Class ;
+<https://w3id.org/emmo/domain/atomistic#21c6ff70-4800-555e-b642-74ba2aaeb039> a owl:Class ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Physical dimensionality of charge density."@en ;
     rdfs:subClassOf emmo:EMMO_9895a1b4_f0a5_4167_ac5e_97db40b8bfcc ;
     owl:equivalentClass [ a owl:Restriction ;
@@ -38,7 +38,7 @@ email: francesca.l.bleken@sintef.no"""@en,
             owl:onProperty emmo:EMMO_23b579e1_8088_45b5_9975_064014026c42 ] ;
     core:prefLabel "ChargeDensityDimension"@en .
 
-<http://emmo.info/domain-atomistic#83a69cf2-00c1-58b8-915b-76cb3549890a> a owl:Class ;
+<https://w3id.org/emmo/domain/atomistic#83a69cf2-00c1-58b8-915b-76cb3549890a> a owl:Class ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """An efficient computional method for solving the many-electron
 (time-independent) Schrödinger equation."""@en ;
     rdfs:subClassOf emmo:EMMO_6eca09be_17e9_445e_abc9_000aa61b7a11 ;
@@ -51,7 +51,7 @@ density as the real interacting system."""@en ;
     rdfs:comment "This is the equation that is solved with density functional theory."^^xsd:string ;
     rdfs:subClassOf [ a owl:Restriction ;
             owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
-            owl:someValuesFrom <http://emmo.info/domain-atomistic#513b1e52-5e37-5ba0-b4cc-89369f9b41c5> ],
+            owl:someValuesFrom <https://w3id.org/emmo/domain/atomistic#513b1e52-5e37-5ba0-b4cc-89369f9b41c5> ],
         :acaafcb6-b65f-5996-93ed-2f486f5f2b30 ;
     core:prefLabel "KohnShamEquation"@en .
 
@@ -61,28 +61,28 @@ density as the real interacting system."""@en ;
     rdfs:subClassOf :c4dd4450-cc80-5de4-a8d6-db0651115a2c ;
     core:prefLabel "TimeDependentSchrodingerEquation"@en .
 
-<http://emmo.info/domain-atomistic#08fd7117-66ac-5b6d-b65e-34a826675877> a owl:Class ;
+<https://w3id.org/emmo/domain/atomistic#08fd7117-66ac-5b6d-b65e-34a826675877> a owl:Class ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "A mathematical operator with a physical interpretation."@en ;
     rdfs:subClassOf emmo:EMMO_f6d0c26a_98b6_4cf8_8632_aa259131faaa ;
     core:prefLabel "PhysicalOperator"@en .
 
-<http://emmo.info/domain-atomistic#42244404-98d1-582a-8fc0-3cdd2a9b3df6> a owl:Class ;
+<https://w3id.org/emmo/domain/atomistic#42244404-98d1-582a-8fc0-3cdd2a9b3df6> a owl:Class ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 """An operator corresponding to the sum of the kinetic energies plus
 the potential energies for all the particles in the system."""@en ;
     rdfs:subClassOf [ a owl:Restriction ;
-            owl:onProperty <http://emmo.info/domain-atomistic#42812fef-145a-56e9-9c18-72bd32214455> ;
+            owl:onProperty <https://w3id.org/emmo/domain/atomistic#42812fef-145a-56e9-9c18-72bd32214455> ;
             owl:someValuesFrom emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ],
-        <http://emmo.info/domain-atomistic#08fd7117-66ac-5b6d-b65e-34a826675877>,
+        <https://w3id.org/emmo/domain/atomistic#08fd7117-66ac-5b6d-b65e-34a826675877>,
         emmo:EMMO_6f5af708_f825_4feb_a0d1_a8d813d3022b ;
     core:prefLabel "Hamiltonian"@en .
 
-<http://emmo.info/domain-atomistic#42812fef-145a-56e9-9c18-72bd32214455> a owl:ObjectProperty ;
+<https://w3id.org/emmo/domain/atomistic#42812fef-145a-56e9-9c18-72bd32214455> a owl:ObjectProperty ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Relates a mathematical (or physical) operator to its eigenvalue."@en ;
     rdfs:domain emmo:EMMO_f6d0c26a_98b6_4cf8_8632_aa259131faaa ;
     rdfs:subPropertyOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ;
     core:prefLabel "hasEigenvalue"@en .
 
-<http://emmo.info/domain-atomistic#513b1e52-5e37-5ba0-b4cc-89369f9b41c5> a owl:Class ;
+<https://w3id.org/emmo/domain/atomistic#513b1e52-5e37-5ba0-b4cc-89369f9b41c5> a owl:Class ;
     emmo:EMMO_50c298c2_55a2_4068_b3ac_4e948c33181f "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=121-11-07"^^rdf:PlainLiteral ;
     emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Electric charge per volume."@en ;
     emmo:EMMO_c84c6752_6d64_48cc_9500_e54a3c34898d "https://en.wikipedia.org/wiki/Charge_density"^^xsd:string ;
@@ -127,7 +127,6 @@ time-dependent Schrödinger equation."""@en ;
             owl:someValuesFrom emmo:EMMO_31ec09ba_1713_42cb_83c7_b38bf6f9ced2 ],
         [ a owl:Restriction ;
             owl:onProperty emmo:EMMO_b2282816_b7a3_44c6_b2cb_3feff1ceb7fe ;
-            owl:someValuesFrom <http://emmo.info/domain-atomistic#42244404-98d1-582a-8fc0-3cdd2a9b3df6> ],
+            owl:someValuesFrom <https://w3id.org/emmo/domain/atomistic#42244404-98d1-582a-8fc0-3cdd2a9b3df6> ],
         emmo:EMMO_27c5d8c6_8af7_4d63_beb1_ec37cd8b3fa3 ;
     core:prefLabel "SchrodingerEquation"@en .
-