DPLA Hydra Contributions
Hydra Metadata & PCDM
We were active throughout the initial development of PCDM, both at meetings in Portland and on mailing lists. Tom Johnson is a current PCDM committer.
Mark Matienzo is active in Hydra Metadata Working Groups.
Fedora
We are participating in discussions surrounding specification of a Fedora API.
Recent
Fedora Versioning API spec draft: http://fedora.info/spec/2016/05/20/resource-versioning
ActiveTriples
Tom Johnson is the primary maintainer of the ActiveTriples project, which provides RDF modeling interfaces for Hydra.
Recent
Released 0.10.0, 0.10.1, 0.10.2
Backported performance improvements from 0.11.0 work.
Related contributions to ldp, hydra-pcdm, & ActiveFedora
Participating in Hydra Triplestore Interest Group
Upcoming
0.11.0 progress. Expecting to release this and 1.0 by mid-September.
RDF.rb
Tom Johnson is a member of the core team for RDF.rb
Recent
Added `Transaction#
2.1.0 released
Dropped support for Ruby 2.1
Upcoming
Benchmarking
Improving external repository support
Faster parsers and main memory data storage
Early experiments at https://github.com/no-reply/rust-rdf