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.
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
What areArtefact actor networks ?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
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.
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Social networks
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Artefact networksW
iki
Blog
Mic
rob
log
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Artefact networksW
iki
Blog
Mic
rob
log
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Types of semantic Relations ?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
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)
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
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
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
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 ...)
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
What‘s The USE of it ?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Increase of artefact and user awareness.
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Visualizing how networks evolved over time.
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Identifying similar artefacts and experts for specific topics and
domains.
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Analyzing different levels of communication and cooperation.
+ =
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
SemantiC Similarity ?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
• 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
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Implementation?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
• Crawlers, Analyzers• Open Calais• AlchemyAPI
• RDF• Jena Framework
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Use case scenarios ?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
Co-Authorship
Co-Citation-Analysis
Blogosphere
Learning Networks
Communities of Practice
Communities of Interest
Social Software Engineering
SocialLearning
Information Quality Maps
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
pb
What‘s Next?
© W
olfg
ang
Rein
hard
t, Un
ivers
ity o
f Pa
derb
orn
, @w
olle
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