“…It was decided that a new, open system would be developed, not only meeting the functional and performance requirements of the high traffic journal provisioning platform but also capable of supporting in house developed bibliographic databases and repositories, open access content, books and other media, and integrating them in a single unified point of access for the end users. (Zamłyńska et al, 2008) Contrary to many other digital library management systems, the YADDA suite models a much broader environment beyond the simple content items, and YADDA objects equally include object hierarchies, compound objects, actors, roles, licenses or institutions, and relations between them. The basic YADDA environment employs the web services framework acting as a collection of APIs to services that can be accessed remotely.…”