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Social Semantic Desktop Reference Architecture Evaluation

Date. Social Semantic Desktop Reference Architecture Evaluation. People. Evaluation purpose (generic). To involve various stakeholders of the Social Semantic Desktop community in the critical assessment of the Social Semantic Desktop Blueprint

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Social Semantic Desktop Reference Architecture Evaluation

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  1. Date Social Semantic DesktopReference Architecture Evaluation People

  2. Evaluation purpose (generic) • To involve various stakeholders of the Social Semantic Desktop community in the critical assessment of the Social Semantic Desktop Blueprint • Refine the scope functional boundaries of the Social Semantic Desktop Blueprint • To involve the stakeholders in the architectural design by bringing their experience and expertise

  3. Evaluation process • Preparation • Stakeholders profile – Questionnaire A (10 min.) • Introduction (5 min.) • Motivation and Overview (2 min.) • The Social Semantic Desktop Blueprint (40 min.) • Analysis • Scenarios for the Social Semantic Desktop Blueprint (5 min.) • Interactive scenarios revision (20 min.) • Synthesis • Assessment – Questionnaire B(10 min.) • Final assessment – processing the evaluation data to formulate the evaluation results

  4. Please fill-in Questionnaire A … http://www.surveymonkey.com/s.aspx?sm=Y7dGTHTbWa_2biudS_2fM8924g_3d_3d

  5. The Social Semantic Desktop • Extension of the personal desktop … • … into a collaboration environment • Goals: • Improve personal information management • Improve cross-media and cross-application linking • Improve sharing and exchange across social and organizational relations.

  6. Social Semantic Desktop Layers • Personal Information Management • Distributed Information Management • Social Networks and Community Services.

  7. SSD evolution

  8. SSD evolution (cont.)

  9. SSD evolution (cont.)

  10. SSD evolution (cont.)

  11. SSD evolution (cont.)

  12. SSD evolution – current status

  13. The NEPOMUK IP Project • FP6 Project IST • 17 Partners: • 8 research centres • 4 big industry players • 3 SMEs • Open source

  14. The NEPOMUK IP Project (cont.) • Goals • Definition of the Social Semantic Desktop Blueprint • Standardization of ontologies and APIs • Development • Prototypes • The reference Social Semantic Desktop implementation

  15. Evaluation purpose (technical aspect)

  16. Evaluation purpose (technical aspect) • Social Semantic Desktop Blueprint • Personal information management -> Personal knowledge creation and organization • Data interoperability -> Cross-media and cross-application linking • (Distributed) Social collaboration -> Sharing, exchange and alignment of the personal knowledge in a distributed manner • Evaluation = Proof that the SSD Blueprint is able to handle all the possible scenarios arising in the space of these three dimensions

  17. The Social Semantic Desktop Blueprint

  18. Overview • Social Semantic Desktop – Scenario • Social Semantic Desktop – Engineering cycle • Social Semantic Desktop Models • The Social Semantic Desktop Blueprint

  19. Scenario

  20. Engineering cycle

  21. Engineering cycle (I)

  22. Usage – Scenarios – Functionalities

  23. Engineering cycle (II)

  24. Technical requirements (I) • Knowledge Articulation and Visualization • Semantic data editing and presentation • Standard Desktop Classification Structures • Standard set of vocabularies and ontologies (e.g. calendar, task management) • Mapping and Aligning Algorithms • Alignment of information from similar domains expressed with different schemas • Wrapping of Legacy Information • Standardized semantic representation of structured and unstructured data

  25. Technical requirements (II) • Metadata Storage and Querying • Central place for storing and querying the information and the associated metadata • Linking of Data Items and Relational Metadata • Link of arbitrary information across different media types, file formats and applications • Social Aspects • Social relation building and knowledge sharing within social communities • Open Architecture • Clearly defined and published interfaces • Open for integration with external adopters

  26. Engineering cycle (III)

  27. Models

  28. Models • Personal Information Model (PIM) • Vocabulary allowing individual persons to express their own mental models in a structured way • Different mental models can be integrated based on matching algorithms or on domain ontologies • Information Element Model (IEM) • Vocabulary for describing information elements which are commonly present on the semantic desktop  • Annotation Model (AM) • Vocabulary, commonly required to annotate resources on the semantic desktop

  29. NEPOMUK Models – PIMO

  30. NEPOMUK Models – PIMO

  31. NEPOMUK Models – PIMO • Requirements • a representation of abstract concepts: Love, Rome, Acme Inc. • a representation of concrete, addressable resources: "w3c homepage at www.w3.org" • a representation of documents: "the document at http://www.w3.org/" • multiple names for a thing: "Love", "Liebe“; "W3", "WWW" • same name for two different things: "Apache - helicopter", "Apache - software". • class-subclass relations: a subclass has all properties of the superclass + its own • class-instance relations • part-of relations: the city of Rome is part of Italy • related information: Spaghetti is related to Italy • data properties to describe details: Rome has a population of 2.8 mio • document-has-topic: the document "http://www.w3.org/2001/sw" is about the "Semantic Web" • a representation of time: the document was created in 2005. The project started on 1.1.2006

  32. NEPOMUK Models • The NEPOMUK Information Element (NIE) • Set of ontologies • Vocabulary for describing information elements commonly present on the semantic desktop

  33. NEPOMUK Models – NIE • NIE Core – NEPOMUK Information Element Core Ontology • NFO – NEPOMUK File Ontology • NCO – NEPOMUK Contact Ontology • NMO – NEPOMUK Message Ontology • NCAL – NEPOMUK Calendar Ontology • NEXIF – NEPOMUK EXIF Ontology • NID3 – NEPOMUK ID3 Ontology

  34. NEPOMUK Models – NIE

  35. NEPOMUK Models – NIE Core

  36. NEPOMUK Models – NFO

  37. NEPOMUK Models – NMO

  38. NEPOMUK Models – NCAL

  39. NEPOMUK Models – NCO

  40. NEPOMUK Models • The NEPOMUK Annotation Ontology (NAO) • Vocabulary that enables users to attach custom descriptions, identifiers, tags and ratings to resources on their desktop • Via other properties, the user is also able to make generic relationships between related resources explicit. • Relationships between resources that are too general to be included at the domain ontology level are also defined in the annotation ontology • Given the high-level status of this ontology, these properties can be used to link any related resources on the user's desktop, as well as provide custom human-readable textual annotations

  41. NEPOMUK Models – NAO Basic Conventional tagging Specific

  42. Blueprint

  43. Blueprint

  44. Blueprint

  45. Blueprint

  46. Blueprint (design rationale)

  47. Blueprint (design rationale)

  48. Blueprint – Social Services

  49. Social Services • Foundational layer for achieving social collaboration • Main functionality • Distributed information management • Communication • Security

  50. Messaging service • Enables cross-desktop communication • Handles both service-to-service and human-to-human communication • Acts as message-carrier for the Notification service

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