panta rhei integrates narrative structures into arbitrary materials while at the same time facilitating readers to challenge, discuss, and assess the presented information on-the-fly. By managing the users' annotation in a threaded structure, users can then commonly discuss and answer questions. Furthermore, the system offers an assessment view on the content which allows users to e.g. assess the relevance or helpfulness of other users'entries. Based on semantic web technologies, i.e.

Current document management systems (DMS) are designed to coordinate the collaborative creation and maintenance process of documents through the provision of a centralized repository. The focus is primarily on managing documents themselves. Relations between and within documents and effects of changes are largely neglected, although information reuse and distribution could seriously benefit from such a relation management. Therefore human reviewers are needed for management of change (MoC), i.e., to maintain consistency after modifications.