Common use of Reference Architecture Clause in Contracts

Reference Architecture. Annotation management is the sole responsibility of the Annotation Back-End (ABE) service. Precisely, the ABE service manages the entire lifecycle of annotation relationships between Information Objects (cf. Section 6.6.1.1) from their creation and collation to their retrieval, update, and deletion – independently from application-specific models of annotation content (cf. Section 6.1.3.2). Architecturally, the service is placed at the top of a stack of Information Organisation services, as shown in Figure 27. The stack is built out of Storage Management services (cf. Section 6.3), Content Management services (cf. Section 6.4), and Metadata Management services (cf. Section 6.4.4). Its main role is one of mediation between the users of Information Presentation services and Metadata Management services one step down the stack. In this role, the value it offers to its clients is one of specialisation and, most noticeably, transparent aggregation of functionality available more generically for