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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
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
Digital Enterprise Research Institute (DERI) Galway
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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?
Digital Enterprise Research Institute (DERI) Galway
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The Semantics...Personal Information Management
folders email bookmarks
Projects, Meetings People, Topics, etc.
representing
“mental models” explicitly
Claudia
Person
Topic
Project Document
Image
Event
Person
PIMoPersonal Information Model
Digital Enterprise Research Institute (DERI) Galway
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Example: PIMo about conference
Zur Anzeige wird der QuickTime ﾪDekompressor ��
ben tigt.ﾚ
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-spea
ker
has-
location
has
-sp
eak
eris-hosted-by
is-hosted-by
is-hosted-by
has-date
has-
add
ress
has-speaker
Digital Enterprise Research Institute (DERI) Galway
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The “Social”...
A Network of Semantic Desktops
Desktop: Help individuals in managing information on the Web/their PCSemantic: Make content available to automated processing Social: Enable exchange across individual boundaries
acquaintance
Social semantic peerspeers
Personal Semantic Web: a semantically enlarged intimate supplement to memory
Social protocolsand distributed search
Person
Topic
Project Document
Image
Event
Person
Claudia
friend
Marie
PIMo
PIMo
colleague
Keith
PIMo
Digital Enterprise Research Institute (DERI) Galway
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KDE Desktop
structure and classification of information
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Bootstrapping the Semantic Desktop
Claudia's files and emails
Desktop Database
PIMo
analysetext
liftstructures
describein
RDF
Digital Enterprise Research Institute (DERI) Galway
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Manual Tagging
manual tagging of files, folders, emails, etc.
Representation of tags within PIMO
PIMo
Java
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Application: Contextual Info
Digital Enterprise Research Institute (DERI) Galway
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Karen
Application: Expert Finding
Keith
Martin
DirkTask: Claudia needs to find an expert
for Information retrieval
Community of practice
Digital Enterprise Research Institute (DERI) Galway
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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
Digital Enterprise Research Institute (DERI) Galway
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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
Digital Enterprise Research Institute (DERI) Galway
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Backup
Digital Enterprise Research Institute (DERI) Galway
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Screenshots
Konduit (KDE)
Shift (OS X)
Kante (KDE)
Shift (KDE)
Digital Enterprise Research Institute (DERI) Galway
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SSD Ontology Levels
Person Role Document OrganizationTime
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
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Document Analysis wrt. time
Example of document data distribution on Claudia's Desktopfor Topic: “Information Retrieval”
InformationExtraction
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Application: Distributed Search
Dirk
Keith
Task:Claudia has to write a work package deliverable,
Claudia
Karen
Martin
Query expansion and refinement Contextual Information
