Specifies a graph edge, that is, a mapping from the @id of this subject
to a set of one or more values.
A subject with one property: "fred's name is Fred"
{
"@id": "fred",
"name": "Fred"
}
A subject with a Reference property: "fred's wife is wilma"
{
"@id": "fred",
"wife": { "@id": "wilma" }
}
A subject with another nested subject: "fred's wife is wilma, and her name is Wilma"
{
"@id": "fred",
"wife": {
"@id": "wilma",
"name": "Wilma"
}
}
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 POST to
http://example.com/my-api/v1/person/query might have the implicit context
of a Person (possibly found at http://example.com/my-api/v1/person).
The unique identity of the subject in the domain.
🚧 Subjects strictly need not be identified with an
@id, but the data of such Subjects cannot be retrieved with a simple Describe query.
The type of the subject, as an IRI or set of IRIs. (@type is actually
shorthand for the RDF property
rdf:type.)
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A resource, represented as a JSON object, that is part of the domain data.
Examples:
A subject with one property: "fred's name is Fred"
{ "@id": "fred", "name": "Fred" }A subject with a Reference property: "fred's wife is wilma"
{ "@id": "fred", "wife": { "@id": "wilma" } }A subject with another nested subject: "fred's wife is wilma, and her name is Wilma"
{ "@id": "fred", "wife": { "@id": "wilma", "name": "Wilma" } }json-rql subject