1. Creating reusable presentations on the web http://chameleon.uwc.ac.za Web 2.0 interface Ontologies Rebuild process The Web 2.0 (yellow) team

2. Overview Malu Roldan San Jose State University

5. AJAX-driven Web Interface for rebuilding presentations Universidade Salvador (UNIFACS) and State University of Campinas (UNICAMP) Reusability

14. One process, happens in web browser .ppt .pdf .odp Interface Slide file (PPT, ODP , PDF ) Upload File system Tagging Observer Conversion MySQL database Ingest and process components Observer Conversion service oOo Internet Internet

15. Red : AVOIR nodes Blue : Collaborating partners Yellow : Supporting partners

19. Object Engine View Controller Model Database Engine: The only file ever loaded directly The module being executed by the engine

20. Object Engine View Controller Model Module View Controller Model Module View Controller Model Module View Controller Model Helper modules e.g. htmlelements utilities API blocks strings sysconfig security modulecatalogue lucene

21. Online : http://avoir.uwc.ac.za Email : [email_address] We are grateful to the IDRC, USAID, the Department of Science and Technology, UNESCO and Sun Microsystems for financial and other support to the AVOIR project. We are also grateful to those organizations who had enough confidence to contract us to develop applications even though we were unproven .