1. Capturing Social Interactions by Augmenting
Calendar Data
Claudia Wagner. Milan Stankovic. Nela Kolundzija. Grégoire Burel

4. Isolated Islands
?

5. Isolated Islands
?
Who asked me the first question on my last talk?
Is there anyone at the summer school who attended
Enrico’s talk at ISWC 2007?
Where have I met this person?

6. What did we do?
• Analyzed existing ontologies
• Extended SWC ontology
• Published Activity ontology and integrated it with
SWC ontology
http://www.clauwa.info/ontologies/sssw09.owl
• Described and published SSSW09 schedule
modeled according to our ontology
http://milstan.net/events/ultra.rdf
• Designed an end-user system

7. Event Ontologies
• RDF iCal (W3C) http://www.w3.org/TR/rdfcal/
• hCalendar MicroFormat
http://microformats.org/wiki/hcalendar
• Nepomuk Calendar Vocabulary
http://www.semanticdesktop.org/ontologies/ncal/
• Event Ontology
http://motools.sourceforge.net/event/event.html
• SWC ontology
http://data.semanticweb.org/ns/swc/swc_2009-05-09.html

8. Activities Ontologies
• Situation Ontology Content Pattern
http://ontologydesignpatterns.org/wiki/Submissions
• Atom Activity Base Schema
http://martin.atkins.me.uk/specs/activitystreams/ac
• No model to expose activities performed
within events

9. Semantic Web Conference Ontology
RDF iCal (W3C)
An Ontology of Activities
missing to complement event
semantics

10. High Level Ontology Snap
happensWithinEvent
Event Activity
isParticipantIn
hasActivity
hasParticipant
Agent
Role hasRole

11. Architecture

12. What happened during Stefan’s Talk?
Twetted: what an interesting talk 
bookmarked a link: www.sioc-project.org
asked a question >>see the video
sent a link http://byt.ly/fsdf to
using Twitter

13. Were did I meet this person?
ISWC 2008 ESWC 2009 SSSW 2009
Lunch
Social Activities
Coffee Alcohol
Talks
October 2008 June 2009 July 2009

14. Is Fabio a dedicated Tutor?
is lost in the forest

15. Your Social Circle According to Events
Ontology Patterns
SSSW 2007
SSSW 2008
SSSW 2009
Semantic Web
ISWC 2008
Social Web