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https://issues.apache.org/jira/browse/JENA-1577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16550834#comment-16550834
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Andy Seaborne commented on JENA-1577:
-------------------------------------
The parsing for Jena is done by jsonld-java. The input is passed unchanged to
that system. Jena's involvement is only in converting the output of parsing to
Jena's internal objects, and not with @base processing.
JSON-LD 1.1 (evolving) may add the form with @base not in @context. The JSON-LD
playground-dev is often with many of the suggested features.
{{stix.jsonld}} also contains the same @base.
> RIOT skips part of jsonld file (regression) and ignores @base
> -------------------------------------------------------------
>
> Key: JENA-1577
> URL: https://issues.apache.org/jira/browse/JENA-1577
> Project: Apache Jena
> Issue Type: Bug
> Components: RIOT
> Reporter: Vladimir Alexiev
> Priority: Critical
>
> 1. RIOT ignores "base":
> {noformat}
> curl -s
> https://gist.githubusercontent.com/VladimirAlexiev/7b26962f9000a22fc25e8d180c716067/raw/7923f25be672294433dc95b48523573429781ecb/eg.jsonld|riot
> -syntax jsonld -formatted ttl
> ...
> <http://base/attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6>
> a stix:attack-pattern ;
> ...
> {noformat}
> However, that jsonld includes base:
> {noformat}
> "@base": "http://attack.mitre.org/enterprise/";,
> {noformat}
> and the jsonld playground http://tinyurl.com/yd25vasq does take it into
> account: in n3 output see URLs like
> {noformat}
> <http://attack.mitre.org/enterprise/attack-pattern--00d0b012-8a03-410e-95de-5826bf542de6>
> {noformat}
> 2. Inexplicably, if I take the same jsonld content from a file, I get only
> triples rooted at blank nodes!
> This is a regression, it was not present in an older RIOT (I from a year ago,
> something like 3.1)
> {noformat}
> curl -s
> https://gist.githubusercontent.com/VladimirAlexiev/7b26962f9000a22fc25e8d180c716067/raw/7923f25be672294433dc95b48523573429781ecb/eg.jsonld>eg.jsonld
> riot -syntax jsonld -formatted ttl eg.jsonld
> ...
> [ stix:external_id "T1066" ;
> stix:source_name "mitre-attack" ;
> stix:url <https://attack.mitre.org/wiki/Technique/T1066>
> ] .
> {noformat}
> If I just add an input redirection to the command line (<), I see a lot more
> triples.
> {noformat}
> riot -syntax jsonld -formatted ttl < eg.jsonld
> {noformat}
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