<rdfs:comment>HELM URIs of a mathematical resource. Subclass of dcq:URI
which is an instance of the IdentifierScheme class</rdfs:comment>
<rdfs:subClassOf rdf:resource="&dcqns;URI"/>
<rdfs:isDefinedBy rdf:resource = "&hthns;" />
<rdfs:comment>HELM URIs of a mathematical resource. Subclass of dcq:URI
which is an instance of the IdentifierScheme class</rdfs:comment>
<rdfs:subClassOf rdf:resource="&dcqns;URI"/>
<rdfs:isDefinedBy rdf:resource = "&hthns;" />