diff --git a/disciplines/units/siacceptedunits.ttl b/disciplines/units/siacceptedunits.ttl
index 4a6e082a..f307ddda 100644
--- a/disciplines/units/siacceptedunits.ttl
+++ b/disciplines/units/siacceptedunits.ttl
@@ -34,34 +34,34 @@ We kindly acknowledge NIST for reusing their content, including the selection of
 #################################################################
 
 ###  http://emmo.info/emmo#AmpereHourPerLitre
-emmo:AmpereHourPerLitre rdf:type owl:Class ;
-                                               rdfs:subClassOf emmo:EMMO_8f36559a_a494_4b00_abc5_60bbc1475009 ,
-                                                               emmo:ac19c801_bead_4730_8b8c_50020eec45ec ,
+:AmpereHourPerLitre rdf:type owl:Class ;
+                                               rdfs:subClassOf :EMMO_8f36559a_a494_4b00_abc5_60bbc1475009 ,
+                                                               :ac19c801_bead_4730_8b8c_50020eec45ec ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
+                                                                 owl:onProperty :EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
                                                                  owl:hasValue "3600000.0"^^xsd:double
                                                                ] ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
+                                                                 owl:onProperty :EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
                                                                  owl:hasValue "0.0"^^xsd:double
                                                                ] ;
-                                               emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "a unit of electric charge per volume"@en ;
+                                               :EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "a unit of electric charge per volume"@en ;
                                                skos:prefLabel "AmpereHourPerLitre"@en .
 
 
 ###  http://emmo.info/emmo#AmpereHourPerKilogram
-emmo:AmpereHourPerKilogram rdf:type owl:Class ;
-                                               rdfs:subClassOf emmo:EMMO_4dbe2b16_3e84_4049_898d_eb89bcc925a2 ,
-                                                               emmo:ac19c801_bead_4730_8b8c_50020eec45ec ,
+:AmpereHourPerKilogram rdf:type owl:Class ;
+                                               rdfs:subClassOf :EMMO_4dbe2b16_3e84_4049_898d_eb89bcc925a2 ,
+                                                               :ac19c801_bead_4730_8b8c_50020eec45ec ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
+                                                                 owl:onProperty :EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
                                                                  owl:hasValue "3600.0"^^xsd:double
                                                                ] ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
+                                                                 owl:onProperty :EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
                                                                  owl:hasValue "0.0"^^xsd:double
                                                                ] ;
-                                               emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "unit of electric charge relative to mass"@en ;
+                                               :EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "unit of electric charge relative to mass"@en ;
                                                skos:prefLabel "AmpereHourPerKilogram"@en .
 
 
@@ -99,18 +99,18 @@ emmo:AmpereHourPerKilogram rdf:type owl:Class ;
 
 
 ###  http://emmo.info/emmo#WattPerLitre
-emmo:WattPerLitre rdf:type owl:Class ;
-                                               rdfs:subClassOf emmo:EMMO_60b78cc3_6011_4134_95ab_956f56d4bdc1 ,
-                                                               emmo:EMMO_fced2382_9c23_47a1_8246_a5dcd45ad99c ,
+:WattPerLitre rdf:type owl:Class ;
+                                               rdfs:subClassOf :EMMO_60b78cc3_6011_4134_95ab_956f56d4bdc1 ,
+                                                               :EMMO_fced2382_9c23_47a1_8246_a5dcd45ad99c ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
+                                                                 owl:onProperty :EMMO_8189b42e_0995_423a_a26c_51168b27c3cf ;
                                                                  owl:hasValue "1000.0"^^xsd:double
                                                                ] ,
                                                                [ rdf:type owl:Restriction ;
-                                                                 owl:onProperty emmo:EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
+                                                                 owl:onProperty :EMMO_d088a3cb_d3e3_4eb2_9897_00aef0cb00cd ;
                                                                  owl:hasValue "0.0"^^xsd:double
                                                                ] ;
-                                               emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "a unit for power per volume quantities"@en ;
+                                               :EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "a unit for power per volume quantities"@en ;
                                                skos:prefLabel "WattPerLitre"@en .