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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2020/03/31 07:22:00 UTC
[jira] [Resolved] (JENA-1864) Inconsistent Turtle serializers
[ https://issues.apache.org/jira/browse/JENA-1864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andy Seaborne resolved JENA-1864.
---------------------------------
Fix Version/s: Jena 3.15.0
Assignee: Andy Seaborne
Resolution: Fixed
Thank you!
> Inconsistent Turtle serializers
> -------------------------------
>
> Key: JENA-1864
> URL: https://issues.apache.org/jira/browse/JENA-1864
> Project: Apache Jena
> Issue Type: Bug
> Affects Versions: Jena 3.14.0
> Environment: My Configuration:
> OS: Ubuntu 18.04
> java version "1.8.0_111"
> javac 1.8.0_242
> Jena Version: 3.14.0
> Reporter: Viresh Gupta
> Assignee: Andy Seaborne
> Priority: Major
> Fix For: Jena 3.15.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The turtle serializers provided for default model in Jena don't work as expected. Moreover, the docs lack on which methods to use in which case.
> I found the following methods that seem to work:
> # model.write() (A.ttl)
> # RDFWriter (B.ttl)
> # RDFDataMgr (C.ttl)
> I'm providing a minimum working example along with the outputs using a sample turtle file from Turtle specifications (ggoblin.ttl – Example 1 from [https://www.w3.org/TR/turtle/|https://www.w3.org/TR/turtle/#sec-examples]) in a gist: [https://gist.github.com/virresh/5a28dc3adb1f40bf9070e2cb4ecfa90d]
>
> The issue:
> # "@base" directive is not printed when writing with the TURTLE_BLOCK and TURTLE_FLAT format in RDFWriter
> # There is no way to provide "@base" inside the RDFDataMgr. Expected output was something like <#spiderman>
> # RDFDataMgr doesn't respect the prefix supplied, e.g I manually added prefix "@base", however, the output (C.ttl) still converts the relative entities into their absolute form, whereas I expected it to do something like base:#spiderman at the very least
>
> I'll be happy to help with the issue if it doesn't fall into the "wont-fix" category.
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