D5.2: Final Roadmap and recommendations for the missing layer of the e-Infrastructure ConsortiumODIN Dallmeier-TiessenSünje HerterichPatricia LavasaArtemis BrownJosh 2015 <p>During the ODIN project several steps have been taken to study the missing pieces for an interoperable PID infrastructure. Tthis report presents a final roadmap consisting of a gap analysis including a progress report on how well this gaps are addressed already and recommendations to build the missing thin layer to enable an interoperable PID infrastructure.</p>