The Social Semantic Desktop The NEPOMUK Project

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The Social Semantic Desktop(The NEPOMUK Project)?

• Dr. Siegfried Handschuh

Galway, Ireland
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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

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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?

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The Semantics...Personal Information Management

• folders ? email ??bookmarks
• Projects, Meetings People, Topics, etc.
• representing mental models explicitly

• Claudia

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Example PIMo about conference
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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

• Claudia

• PIMo

Person
Email
Event
Topic
Person
Document
Project
Image
Personal Semantic Web
a semantically enlarged
Social protocols
Social semantic peers
intimate supplement to memory
and distributed search
peers
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KDE Desktop

• structure and classification of information

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Bootstrapping the Semantic Desktop

• Claudia's files and emails

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Manual Tagging

• PIMo

Java

• manual tagging of files, folders, emails, etc.
• Representation of tags within PIMO

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Application Contextual Info
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Application Expert Finding
Task Claudia needs to find an expertfor
Information retrieval

• Dirk

• Martin

• Keith

• Karen

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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

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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

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Backup
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Screenshots
Kante (KDE)?
Konduit (KDE)?
Shift (OS X)?
Shift (KDE)?
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SSD Ontology Levels

• Representational Level

SystemItems
Thing
Upper Level
Person
Role
Document
Organization
Time
Domain independent
Conference
Contract
Mid Level
Manager
Project
Company
Offer
Message
Adopted to Organization (i.e. NORTEL, DERI)?
P2P
Personal Level
Claudia
Nortel
P2P, Galway
Personal concepts and Data, e.g. from Claudia
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Document Analysis wrt. time
Information Extraction

• Example of document data distribution on
  Claudia's Desktopfor Topic Information
  Retrieval

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Application Distributed Search
TaskClaudia has to write a work package
deliverable,

• Dirk

• Query expansion and refinement
• Contextual Information

• Keith