In this paper we present DERMI, a decentralized wide-area event-based object middleware built on top of a peer-to-peer substrate. Its main building block is the underlying publish/subscribe event notification system provided by the peer-to-peer layer. By using this methodology, innovative benefits like object mobility and discovery, object replication and caching, distributed interception, high...

BACKGROUND The UK general practitioner (GP) appraisal system is deemed to be an inadequate source of performance evidence to inform a future medical revalidation process. A long-running voluntary model of external peer review in the west of Scotland provides feedback by trained peers on the standard of GP colleagues' core appraisal activities and may 'add value' in strengthening the robustness ...