Collection Service. (CNR) This Task will produce the internal architecture, the detailed specification and the implementation of the system component which supports the collection service. This service is responsible for providing mechanisms for the dynamic aggregation into meaningful collections of access to sets of digital objects and services. By collection we mean a set of digital objects, a set of services that operates on these objects (such as search and browse), and a set of policies. The CS will support the creation and removal of virtual collections and will provide information about existing collections and their descriptive metadata. A collection is specified by a collection characterization criterion; this will be used to build a complete description of the collection (collection metadata). This description will contain both a specification of the collection as it is perceived by the CYCLADES users (abstract view) and a specification of the mapping between the abstract view and its actual implementation on the existing architecture. This Task will develop an innovative service and most of the activities carried out under this Task are research oriented activities. Task T3.4
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