diff --git a/profiledesc/profiledesc_dcat_alignment.ttl b/profiledesc/profiledesc_dcat_alignment.ttl
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+++ b/profiledesc/profiledesc_dcat_alignment.ttl
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+@prefix : <http://promsns.org/def/prof#> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix prof: <http://promsns.org/def/prof#> .
+@prefix prov: <http://www.w3.org/ns/prov#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@base <http://promsns.org/def/prof> .
+
+<http://promsns.org/def/prof_dcat> rdf:type owl:Ontology ;
+                               owl:versionIRI <http://promsns.org/def/prof/1.0> ;
+                               dcterms:contributor <http://orcid.org/0000-0002-8742-7730> ;
+                               dc:description "This ontology defines an alignment with DCAT through subclassing relevant DCAT types and properties, without limiting the scope of the main profileDesc ontology to DCAT."@en ;
+                             rdfs:label "Profile Description alignment to DCAT concepts"@en ;
+                               owl:versionInfo "1.0"^^xsd:string ;
+                              dc:creator "Rob Atkinson"^^xsd:string ;
+.
+
+#################################################################
+###  http://promsns.org/def/prof#hasProfile
+prof:hasProfile rdf:type owl:ObjectProperty ;
+                rdfs:comment "May be aligned as a subproperty of a (possible new) property for relationships between DCAT resources"@en ;
+.
+
+###  http://promsns.org/def/prof#profileOf
+prof:profileOf rdf:type owl:ObjectProperty ;
+               rdfs:domain prof:Profile ;
+                 rdfs:comment "May be aligned as a subproperty of a (possible new) property for relationships between DCAT resources"@en ;
+				 .
+
+###  http://promsns.org/def/prof#resource
+prof:resource rdf:type owl:ObjectProperty ;
+              rdfs:subPropertyOf dcat:distribution .
+
+
+###  http://promsns.org/def/prof#resourceRole
+prof:resourceRole rdf:type owl:ObjectProperty ;
+                  rdfs:comment "May be aligned as in future with DCAT distribution role qualification mechanisms"@en ; .
+				  
+
+###  http://purl.org/dc/terms/conformsTo
+dcterms:conformsTo rdf:type owl:ObjectProperty ;
+			rdfs:comment "Alignment presumes that DCAT will also use this property to qualify profile conformance for distributions."@en ; 
+                   rdfs:range dcterms:Standard .
+
+
+###  http://purl.org/dc/terms/format
+dcterms:format rdf:type owl:ObjectProperty ;
+	rdfs:comment "Alignment presumes that DCAT will also use this property to qualify profile conformance for distributions."@en ;
+.
+
+
+#################################################################
+#    Classes
+#################################################################
+
+
+###  http://promsns.org/def/prof#ImplResourceDesc
+prof:ImplResourceDesc rdf:type owl:Class ;                      
+                      rdfs:comment "A resource that defines implementing rules for a profile. Must indicate the purpose (dct:type) and the formalism (dct:format) used to allow machine mediation of such rules."@en ;
+                      rdfs:label "Implementation Resource Descriptor"@en .
+
+
+###  http://promsns.org/def/prof#ImplResourceRole
+prof:ImplResourceRole rdf:type owl:Class ;
+                      rdfs:subClassOf dcat:Distribution ;
+                      rdfs:comment "Or a superclass od Distribution if Distribution domain remains dcat:Dataset"@en ;
+.
+
+
+###  http://promsns.org/def/prof#Profile
+prof:Profile rdf:type owl:Class ;
+             rdfs:subClassOf dcat:Resource .
+
+