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Semantic Desktop

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Laura Dragan, profile picture
Laura Dragan

The document discusses the problems of information overload and data silos on personal computers. It proposes using semantic web technologies to create a semantic desktop that represents all files, emails, and other resources as linked data. This would allow for centralized storage, data sharing between applications, and easier discovery and filtering of information. The benefits would include time savings for users and increased data interoperability.

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Digital Enterprise Research Institute www.deri.ie The Semantic Desktop © Copyright 2007 Digital Enterprise Research Institute. All rights reserved.
The Problem (1) Digital Enterprise Research Institute www.deri.ie  Information overload  Thousands of files in my home folder  Thousands of emails in my inbox  Hard to manage
The Problem (2) Digital Enterprise Research Institute www.deri.ie  Data encapsulation  Proprietary formats  Proprietary storage  Data duplication  Same data in several applications  Islands of information  Data not linked  Lacks context, provenance  Relevant information overlooked
Objectives Digital Enterprise Research Institute www.deri.ie  Data interoperability  Structured and linked data based on Semantic Web technologies  Make the desktop manageable
Semantic Web technologies Digital Enterprise Research Institute www.deri.ie  Enabling standards and technologies (the SW Layer Cake)
Key Ingredients Digital Enterprise Research Institute www.deri.ie  RDF – Resource Description Framework  W3C Standard  Ontologies  Means to define vocabularies of terms
Statements Digital Enterprise Research Institute www.deri.ie  Basic unit of information  <subject> <predicate> <object>  Examples  <John> <age> “40”  <John> <likes> <Mary>
Nepomuk Ontologies Digital Enterprise Research Institute www.deri.ie Representational Layer RDF RDFS NRL Upper-Level Layer NAO NIE PIMO Foundational Lower-Level Layer Group-level Personal-Level All Concepts a User of the Semantic Desktop deals with All Concepts an Application Programmer of the Semantic Desktop deals with
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
Standardized View of Resources Digital Enterprise Research Institute www.deri.ie Person Email Event Topic Person Website Document Image
Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic Person Website Document Image
Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic Person Website Document colleague Image 12 / 200
Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic acquaintance Person Website Document colleague Image 12 / 200
User Benefits Digital Enterprise Research Institute www.deri.ie  Important time savings  Easy data filtering  Faceted browsing  Information discovery 17 / 200
Conclusion Digital Enterprise Research Institute www.deri.ie  Solves the information overload problem  Solves the data silos problem  SW technologies and standards on the desktop  Increased data interoperability 18 / 200

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Semantic Desktop

  • 1. Digital Enterprise Research Institute www.deri.ie The Semantic Desktop © Copyright 2007 Digital Enterprise Research Institute. All rights reserved.
  • 2. The Problem (1) Digital Enterprise Research Institute www.deri.ie  Information overload  Thousands of files in my home folder  Thousands of emails in my inbox  Hard to manage
  • 3. The Problem (2) Digital Enterprise Research Institute www.deri.ie  Data encapsulation  Proprietary formats  Proprietary storage  Data duplication  Same data in several applications  Islands of information  Data not linked  Lacks context, provenance  Relevant information overlooked
  • 4. Objectives Digital Enterprise Research Institute www.deri.ie  Data interoperability  Structured and linked data based on Semantic Web technologies  Make the desktop manageable
  • 5. Semantic Web technologies Digital Enterprise Research Institute www.deri.ie  Enabling standards and technologies (the SW Layer Cake)
  • 6. Key Ingredients Digital Enterprise Research Institute www.deri.ie  RDF – Resource Description Framework  W3C Standard  Ontologies  Means to define vocabularies of terms
  • 7. Statements Digital Enterprise Research Institute www.deri.ie  Basic unit of information  <subject> <predicate> <object>  Examples  <John> <age> “40”  <John> <likes> <Mary>
  • 8. Nepomuk Ontologies Digital Enterprise Research Institute www.deri.ie Representational Layer RDF RDFS NRL Upper-Level Layer NAO NIE PIMO Foundational Lower-Level Layer Group-level Personal-Level All Concepts a User of the Semantic Desktop deals with All Concepts an Application Programmer of the Semantic Desktop deals with
  • 9. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 10. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 11. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 12. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 13. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 14. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 15. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 16. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 17. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 18. Approach (1) Digital Enterprise Research Institute www.deri.ie  Everything is a resource  Files, Emails, People, Tags  Projects, Hobbies  Linked via relations  Extracted automatically (eg. provenance)  Created manually
  • 19. Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
  • 20. Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
  • 21. Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
  • 22. Approach (2) Digital Enterprise Research Institute www.deri.ie  Central storage  Accessible to all the applications  Standard format  Enables portability  Data is application independent  Data is shareable
  • 23. Standardized View of Resources Digital Enterprise Research Institute www.deri.ie Person Email Event Topic Person Website Document Image
  • 24. Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic Person Website Document Image
  • 25. Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic Person Website Document colleague Image 12 / 200
  • 26. Standardized View of Resources Digital Enterprise Research Institute www.deri.ie  Outcomes  Data can be shared, connected Person Email Event friend Topic acquaintance Person Website Document colleague Image 12 / 200
  • 27. User Benefits Digital Enterprise Research Institute www.deri.ie  Important time savings  Easy data filtering  Faceted browsing  Information discovery 17 / 200
  • 28. Conclusion Digital Enterprise Research Institute www.deri.ie  Solves the information overload problem  Solves the data silos problem  SW technologies and standards on the desktop  Increased data interoperability 18 / 200