PREFIX schema: <http://schema.org/>
PREFIX : <#>
WITH <urn:schemaorg:data:abox>
INSERT {
`iri(?::ID)` a schema:Article ; # the ?::ID is a named parameter,
# binds input argument of gql:type `gql:ID` to Subject via `gql:iriPattern`
schema:name ?::name ; # the input parameter `name` binding with named parameter
schema:datePublished ?::datePublished . # ditto
}