1. DSpace-Dev @ University of Minho Development of tools and add-ons for the DSpace platform Miguel Ferreira mferreira@dsi.uminho.pt Ana Alice Baptista analice@dsi.uminho.pt 2nd DSpace Federation User Group Meeting 7-8 July 2005

2. Papadocs The students repository –http://papadocs.dsi.uminho.pthttp://papadocs.dsi.uminho.pt Contains reports, assignments, learning materials, etc. Also served as a test bed for the developed add-ons

3. Commentary Add-on Threaded forum associated with any DSpace resource –Web-page, community, collection, item or e-person Based on a graph instead of the most commonly seen tree-like fora –Users are allowed to comment one or more resources with a single post Supports anonymous comments with or without revision Includes a custom-tag that summarises the most relevant comments in a subsection of DSpace

4. Commentary Add-on

5. Controlled Vocabulary Add-on Taxonomy based controlled vocabulary Used to describe self-deposited items (keywords) Simplifies and enhances searching –Increased precision and recall Enables the generalisation of concepts Support for multiple taxonomies Easy to integrate new taxonomies –Taxonomies described by independent XML files Can be enhanced to support more complex structures such as thesauri

6. Controlled Vocabulary Add-on

7. Recommendation Add-on Gives suggestions of related resources –items, e-persons e comments requires extra information –who downloaded what –new table on the database Three distinct recommendation algorithms –Item-based Top-N Filter –Social Information Filter (Word-of-Mouth) –Web of Communication Filter

8. Recommendation Add-on

9. Web of Communication Add-on Exposes invisible relationships between resources in a 3D network Possibility of switching between the text mode and the 3D interface Requires a VRML plug-in to be installed on the client’s browser

10. Teia de comunicação

11. A look into the Future Integration of add-ons with the official DSpace source code (in progress) Improve the Controlled Vocabulary Add-on to support thesauri Automatic metadata extraction –Recommendation of description keywords

12. Project information at http://dspace-dev.dsi.uminho.pt Add-ons with source-code Portuguese version of DSpace Questions? Miguel Ferreira mferreira@dsi.uminho.pt Ana Alice Baptista analice@dsi.uminho.pt