The Perl RDF project provides:
A new foundational framework is underway, see Attean, where we aim to take advantage of new role-based programming techniques. The ideas are also described in this paper (slides) presented at the ISWC Semdev workshop.
We have wiki for collaborately exploring new ideas.
Please subscribe to the perlrdf mailing-list and get in touch! There is also an IRC channel.
|...and many more of differing relevance and maturity.|
There is also the slides of a 15-minute introduction.