PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX schema: <http://schema.org/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
# Every wikidata item has zero or more label, description and alias combinations.
start = @<wikidata-header>
<wikidata-header> {
(
(
# A wikidata item has a label, description, set of zero or more aliases
rdfs:label rdf:langLabel ;
skos:prefLabel rdf:langLabel ;
schema:name rdf:langLabel ;
schema:description rdf:langLabel ;
skos:altLabel rdf:langLabel* ;
)
| # or
# A wikidata item has a label, but no description and a set of zero or more aliases
(
rdfs:label rdf:langLabel ;
skos:prefLabel rdf:langLabel ;
schema:name rdf:langLabel ;
schema:description rdf:langLabel ? ;
skos:altLabel rdf:langLabel* ;
)
| # or
# A wikidata item has no label, but a description and a set of zero or more aliases
(
(
rdfs:label rdf:langLabel ;
skos:prefLabel rdf:langLabel ;
schema:name rdf:langLabel ;
)? ;
schema:description rdf:langLabel ;
skos:altLabel rdf:langLabel* ;
) ;
)*;
} # A wikidata item can have zero or more sets of labels, descriptions and aliases
