A 'slot' in a List is a container for a list item. It is seen infrequently, because most list queries and updates use a shorthand in which the list item appears naked and the slot is implicit. Slots appear:
Specifies a graph edge, that is, a mapping from the
@id of this subject
to a set of one or more values.
Constructor of subjects from subjects: used similarly to e.g.
A JSON-LD Context
for the query. In an API, this will frequently be implicit. For example,
using json-rql as the body of a
http://example.com/my-api/v1/person/query might have the implicit context
of a Person (possibly found at
The identity of the slot
The index of the item in the list
The contained item of the slot
The type of the subject, as an IRI or set of IRIs. (
@type is actually
shorthand for the RDF property