4th International Conference on Open RepositoriesThis presentation was part of the session : Conference PresentationsDate: 2009-05-19 03:00 PM – 04:30 PMThis presentation is an introduction to Topaz, an Open Source content modeling and storage framework that uses the Fedora Service Framework and Mulgara semantic technology as the core engine, and Ambra, a publishing application built on the Topaz framework. We will discuss the architecture of Topaz and some of the semantic technologies created to provide more flexibility with data than relational models. We will review the Ambra publishing platform, the "Web 2.0" features built to foster collaboration and participation, and its new methods for disseminating and sharing scientific information.Moore Foundatio