artefact-actor-networks as tie between social networks and artefact networks
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Slides from my talk at CollaborateCom 2009 in Washington, D.C.TRANSCRIPT
Artefact ActorNetworks
as tie between social networks and artefact networks
Wolfgang Reinhardt - Matthias Moi - Tobias VarlemannUniversity of Paderborn, Germany
5th International Conference on Collaborative Computing 2009, Washington D.C.
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What areArtefact actor networks ?
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pbArtefact-Actor-Networks are an
approach to connect social networks and artefact networks, with the goal to
create more meaningful semantic connections between artefacts and actors.
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Social networks
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Artefact networksW
iki
Blog
Mic
rob
log
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Artefact networksW
iki
Blog
Mic
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log
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Types of semantic Relations ?
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Projectspace A Projectspace B Projectspace C
isReferencedBy
referencing
isUsed
uses
isSupervisorOf
isSupervisedBy
isAuthormodfier
owner
Organization
Team A Team B
isColleagueOf
Board of directors
isSupervisedBy
isSuperviserOf
isColleagueOf
Actor ~ Actor
• describe possible relations between actors in communities
• FOAF project can be extended by special semantic relations (e.g. isSupervisedBy or isColleagueOf)
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Artefact ~ Artefact
Projectspace A Projectspace B Projectspace C
isReferencedBy
referencing
isUsed
uses
isSupervisorOf
isSupervisedBy
Organization
isReferencedBy
isVersionOf linksTo
Artefact storage A Artefact storage B Artefact storage C
• describe possible relations between artefacts
• Dublin Core and SIOC provide a good base for relations
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Organization
Projectspace A Projectspace B Projectspace C
isReferencedBy
referencing
isUsed
uses
isSupervisorOf
isSupervisedBy
isAuthormodfier
owner
Artefact ~ Actor
• combine the first two relation types
• additionally describing the kind of interaction with an artefact (owner, modifier ...)
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What‘s The USE of it ?
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Increase of artefact and user awareness.
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Visualizing how networks evolved over time.
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Identifying similar artefacts and experts for specific topics and
domains.
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Analyzing different levels of communication and cooperation.
+ =
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SemantiC Similarity ?
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• Storage of all artefacts with subsequent semantic analysis• Storage of additional metadata• each metadata has a certain relevance for the artefact • two artefacts are similar if their metadata is similar
Twittercompany
SMStechnology
United Statescountry
APIkeyword
Tagskeyword
Twittertype:wiki
http://en.wikipedia.org/wiki/Twitter
relevance = 0.70
relevance = 0.25
relevance = 0.85 relevance = 1.0
relevance = 0.9
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Implementation?
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• Crawlers, Analyzers• Open Calais• AlchemyAPI
• RDF• Jena Framework
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Use case scenarios ?
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Co-Authorship
Co-Citation-Analysis
Blogosphere
Learning Networks
Communities of Practice
Communities of Interest
Social Software Engineering
SocialLearning
Information Quality Maps
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What‘s Next?
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pb• finalize implementation
• real life tests at conferences and research communities• Blogs, Twitter, Papers, Delicious ...
• enhanced visualizations
Want to know more? http://twitter.com/wollepbhttp://isitjustme.dehttp://artefact-actor-networks.net
Thank you
Wolfgang ReinhardtUniversity of Paderborn
Institute of Computer ScienceWorking Group Didactics of Informatics
http://ddi.upb.de