[jira] [Created] (JENA-2016) JSON-LD expand problem with `"@type": "@id"`

["Pierre-Antoine Champin (Jira)" <ji...@apache.org>]

Pierre-Antoine Champin created JENA-2016:
--------------------------------------------

             Summary: JSON-LD expand problem with `"@type": "@id"`
                 Key: JENA-2016
                 URL: https://issues.apache.org/jira/browse/JENA-2016
             Project: Apache Jena
          Issue Type: Bug
          Components: RIOT
    Affects Versions: Jena 3.17.0, Jena 3.16.0
         Environment:  

The following JSON-LD

 
{code:java}
{
 "@context": {
     "tag:p": { "@type": "@id" }
 },
 "tag:p": [ "foo", 42, false ]
}{code}
 

generates the following triples

 
{code:java}
_:b0 <tag:p> <file:///tmp/foo> .
_:b0 <tag:p> <file:///tmp/42> .
_:b0 <tag:p> <file:///tmp/false> . 
{code}
while it should generate

 
{code:java}
_:b0 <tag:p> <file:///tmp/foo> .
_:b0 <tag:p> "42"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b0 <tag:p> "false"^^<http://www.w3.org/2001/XMLSchema#boolean> .
{code}
Indeed, step 1 for the [value expansion algorithm|https://w3c.github.io/json-ld-api/#algorithm-5] states that the type mapping to `@id` is only considered if the value is a string.

See for example in the JSON-LD playground: https://json-ld.org/playground/#startTab=tab-nquads&json-ld=%7B%22%40context%22%3A%7B%22tag%3Ap%22%3A%7B%22%40type%22%3A%22%40id%22%7D%7D%2C%22tag%3Ap%22%3A%5B%22foo%22%2C42%2Cfalse%5D%7D
            Reporter: Pierre-Antoine Champin






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