Which RDF module to use why?

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CPAN lists a lot of modules that provide some abstraction for RDF so I
wondered if there is any experience as to which module offers which
advantages or drawback? Are there any pages that compare the features of
these modules?

I have found these modules to be probably relevant:
* RDF::Core see
* RDF::Redland
* RDF::Trine
* RDF::Simple
* RDF::Helper
Are there others (except those were development seems to have stalled
several years ago)?

Is there a better place to discuss this?

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