sub:assertion {
  sub:assertion dct:description """<p>Such a nanopublication defines a new class. Classes represent sets of concrete or abstract things, and are by convention named with singular nouns (or noun phrases) like 'human', 'cardiovascular disease', or 'approach'.</p>

<p>If the term you want to define does not refer to a set of things but a single instance, such as the planet Mars or Marie Curie, define them with the template for individuals instead.</p>""" ;
    a nt:AssertionTemplate ;
    rdfs:label "Defining a new class in the namespace of the journal Data Science" ;
    nt:hasNanopubLabelPattern "Class: ${name}" ;
    nt:hasStatement sub:st0 , sub:st1 , sub:st2 , sub:st3 , sub:st4 , sub:st5 ;
    nt:hasTag "Terms" ;
    nt:hasTargetNamespace <https://w3id.org/kpxl/ios/ds/np/> .
  sub:class a nt:IntroducedResource , nt:UriPlaceholder ;
    rdfs:label "short name, used as URI suffix" ;
    nt:hasPrefix "https://w3id.org/kpxl/ios/ds/terms/" ;
    nt:hasPrefixLabel "/ios/ds/terms/" .
  sub:definition a nt:LongLiteralPlaceholder ;
    rdfs:label "definition of the class" .
  sub:name a nt:LiteralPlaceholder ;
    rdfs:label "the name of the class" .
  sub:relatedentity a nt:GuidedChoicePlaceholder ;
    rdfs:label "URI of a related class or other entity" ;
    nt:possibleValuesFromApi "http://purl.org/nanopub/api/find_signed_things?type=http%3A%2F%2Fwww.w3.org%2F2002%2F07%2Fowl%23Class&searchterm=" , "https://www.wikidata.org/w/api.php?action=wbsearchentities&language=en&format=json&limit=5&search=" .
  sub:sameentity a nt:ExternalUriPlaceholder ;
    rdfs:label "URI of a class that should be treated as fully synonymous" .
  sub:st0 rdf:object <http://www.w3.org/2002/07/owl#Class> ;
    rdf:predicate rdf:type ;
    rdf:subject sub:class ;
    a rdf:Statement .
  sub:st1 rdf:object sub:name ;
    rdf:predicate rdfs:label ;
    rdf:subject sub:class ;
    a rdf:Statement .
  sub:st2 rdf:object sub:definition ;
    rdf:predicate <http://www.w3.org/2004/02/skos/core#definition> ;
    rdf:subject sub:class ;
    a rdf:Statement .
  sub:st3 rdf:object sub:superclass ;
    rdf:predicate rdfs:subClassOf ;
    rdf:subject sub:class ;
    a nt:OptionalStatement .
  sub:st4 rdf:object sub:relatedentity ;
    rdf:predicate <http://www.w3.org/2004/02/skos/core#relatedMatch> ;
    rdf:subject sub:class ;
    a nt:OptionalStatement , nt:RepeatableStatement .
  sub:st5 rdf:object sub:sameentity ;
    rdf:predicate <http://www.w3.org/2002/07/owl#sameAs> ;
    rdf:subject sub:class ;
    a nt:OptionalStatement , nt:RepeatableStatement .
  sub:superclass a nt:GuidedChoicePlaceholder ;
    rdfs:label "the URI of the superclass" ;
    nt:possibleValuesFromApi "http://purl.org/nanopub/api/find_signed_things?type=http%3A%2F%2Fwww.w3.org%2F2002%2F07%2Fowl%23Class&searchterm=" , "https://www.wikidata.org/w/api.php?action=wbsearchentities&language=en&format=json&limit=5&search=" .
  rdf:type rdfs:label "is a - asserts that the thing on the left belongs to the class on the right" .
  rdfs:label rdfs:label "is called - connects a formal identifier (left) to an informal human-readable name (right)" .
  rdfs:subClassOf rdfs:label "is a subclass of - states that all instances of the class to the left are also instances of the class to the right" .
  <http://www.w3.org/2002/07/owl#Class> rdfs:label "class - a class represents a set of concrete or abstract things" .
  <http://www.w3.org/2002/07/owl#sameAs> rdfs:label "is exactly the same as" .
  <http://www.w3.org/2004/02/skos/core#definition> rdfs:label "is defined as follows: - connects an identifier (left) to a human-readable definition (right)" .
  <http://www.w3.org/2004/02/skos/core#relatedMatch> rdfs:label "is related to - connects two classes that are somehow related" .
}