1.  Copyright 2007 Digital Enterprise Research Institute. All rights reserved. www.deri.org Digital Enterprise Research Institute (DERI) Galway www.deri.ie The Social Semantic Desktop (The NEPOMUK Project) ‏ Dr. Siegfried Handschuh Galway, Ireland

2. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Overview Motivation - Why do we want the Social Semantic Desktop? The Semantics... The “Social“ bit... Implementation: Nepomuk KDE Bootstrapping the Semantic Desktop Manual Tagging Applications Conclusion

3. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Motivation – How do you…? How do you manage and structure your personal information? How do you share and exchange data with your colleagues? How do you find an expert in your organization?

4. Digital Enterprise Research Institute (DERI) Galway www.deri.ie The Semantics... Personal Information Management folders  email  bookmarks Projects, Meetings People, Topics, etc. representing “mental models” explicitly Claudia Email Person Topic Project Document Image Event Person PIMo Personal Information Model

5. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Example: PIMo about conference http://www.p2p2007.org P2P Conference, Galway http://ds.informatik.rwth-aachen.de/ members/klaus http://lsirpeople.epfl.ch/ aberer http://www.manfredhauswirth.org Calendar http://www.deri.ie/outlook/ contact/0019E1773D6A56 http://www.sap.com/Keith http://www.sap.com/Karen http://www.sap.com/Claudia http://www.nuig.ie has-speaker has-location has-speaker is-hosted-by has-date has-address has-speaker

6. Digital Enterprise Research Institute (DERI) Galway www.deri.ie The “Social”... A Network of Semantic Desktops Desktop: Help individuals in managing information on the Web/their PC Semantic: Make content available to automated processing Social: Enable exchange across individual boundaries acquaintance Social semantic peers peers Personal Semantic Web:a semantically enlarged intimate supplement to memory Social protocols and distributed search Email Person Topic Project Document Image Event Person Claudia friend Marie PIMo colleague Keith PIMo

7. Digital Enterprise Research Institute (DERI) Galway www.deri.ie KDE Desktop structure and classification of information

8. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Bootstrapping the Semantic Desktop Claudia's files and emails Desktop Database PIMo analyse text lift structures describe in RDF

9. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Manual Tagging manual tagging of files, folders, emails, etc. Representation of tags within PIMO PIMo Java

10. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Application: Contextual Info

11. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Karen Application: Expert Finding Keith Martin Dirk Task: Claudia needs to find an expert for Information retrieval Community of practice

12. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Solutions – How do you … How do you manage and structure your personal information?   ”mental model”, PIMo   free data from their silos How do you share and exchange data with your colleagues?   P2P network, Content-based routing   ”Link Routing” based on social connections How do you find an expert in your organization?   using the PIMo topics to detect and classify experts and communities

13. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Conclusion The Social Semantic Desktop is a universal platform for  Personal Information Management  Distributed Information Management  Social Network and Community Services Impact - dramatic time savings:  discovering vital information,  filtering out marginal information,  build and participate in communities of practice

14. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Backup

15. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Screenshots Konduit (KDE)‏ Shift (OS X)‏ Kante (KDE)‏ Shift (KDE)‏

16. Digital Enterprise Research Institute (DERI) Galway www.deri.ie SSD Ontology Levels PersonRoleDocumentOrganizationTime Manager Project Contract CompanyOffer SystemItemsThing Message Claudia P2P Nortel Representational Level Upper Level Mid Level Personal Level Domain independent Adopted to Organization (i.e. NORTEL, DERI)‏ Personal concepts and Data, e.g. from Claudia Conference P2P, Galway

17. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Document Analysis wrt. time Example of document data distribution on Claudia's Desktop for Topic: “Information Retrieval” Information Extraction

18. Digital Enterprise Research Institute (DERI) Galway www.deri.ie Application: Distributed Search Dirk Keith Task:Claudia has to write a work package deliverable, Claudia Karen Martin Query expansion and refinement Contextual Information