Metrics Service (OPERAS-PLUS Deliverable 5.2)

The OPERAS Metrics Service enables the gathering of open access book metrics into a central OPERAS database, and then the display of those metrics on a customer's site via a centrally-managed OPERAS widget. This document describes how the different parts of the metrics service interact, the work that was carried out during the OPERAS-PLUS project to add scalability by updating the underlying code and architecture, and provides information on the running costs along with suggestions on how these could be covered.