Linking Events with Media. Talk given at the 6th International Conference on Semantic Systems (I-SEMANTICS), Triplification Challenge, September 2010, Graz, Austria

1. Linking Events with Media
Raphaël Troncy <raphael.troncy@eurecom.fr>
Bartosz Malocha <bartosz.malocha@eurecom.fr>
André Fialho <andre.fialho@cwi.nl>

2. We have directory of events...
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -2

3. We have directory of events...
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -3

4. 02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -4

5. Do I want to go?
 Who is going ?
 How much
does it cost ?
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -5

6. Would it be good? Fun?
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -6

7. What was the atmosphere?
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -7

8. Events and Media
Events are observable occurrences grouping
People Places Time
Experiences documented by Media
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -8

9. Goals
1. Discover PAST, PRESENT and FUTURE events
2. Live, relive and predict experiences through shared media
3. Identify meaningful and/or interesting relationships
between events/media/people
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria -9

10. Exploratory Study
Online Survey (n=28), 2 group discussions (n=35)
Past Experiences
(Memorable Events) Existing Technologies
• Discovery • Opinions Scenarios
• Decision making • Interests Requirements
• Registering & sharing • Suggestions 1st Design Concept
• Meaningful relationships • Benefits/drawbacks
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 10

11. Services
 Existing services to explore, share and
discover event
 Aggregate these heterogeneous data sources
 Enrich with media and social data
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 11

12. 02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 12

13. Semantization of Data
SEARCH
1,725,796 results
Machine tags
“lastfm:events”
Lastfm + flickr APIs
...Events[ event_id, ...medias[photo_id, user_id, url_t, url_o, title, description]]
LastFM events 2 LODE Upcoming + Flickr (392,273)
Eventful, Dailymotion, Youtube
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 13

14. 02/09/2010 -
16/09/2009 Event-based Annotation and ExplorationChallenge, I-SEMANTICS 2010, Graz, Austria
Linking Events with Media -Triplification of Media - PetaMedia SYTIM, Lausanne (CH) - 14

15. Some mappings in LODE
ABC CIDOC DUL EO LODE
atTime P4.has_time_span isObservableAt time atTime
P7.took_place_at place inSpace
inPlace hasLocation atPlace
involves P12.occurred_in_the_ hasParticipant factor involved
presence_of
hasPresence P11.had_participant involvesAgent agent involvedAgent
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 15

16. Representing Events with LODE
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 16

17. Representing Media with Media Ontology
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 17

18. Interlinking
 Linking Agents with
 Freebase, Dbpedia, MusicBrainz
 Linking Venues with
 Geonames, Dbpedia, Foursquare (via Uberblic)
 Linking Events with
 Last.fm, Upcoming, Eventful
 Linking Categories with
 Facebook, Eventful, Upcoming, Zevents, LinkedIn,Eventbrite,
TicketMaster
 Linking Users with
 Social Graph API
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 18

19. Publishing: SW Best Practices
 Minting our own URIs:
 http://data.linkedevents.org/event/
 http://data.linkedevents.org/agent/
 http://data.linkedevents.org/location/
 http://data.linkedevents.org/media/
 http://data.linkedevents.org/user/
 http://data.linkedevents.org/category/
 All URIs are derefencable
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 19

20. 02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 20

21. Where is the data?
 RDF dump:
http://www.eurecom.fr/~troncy/ldtc2010/
(warning: you are about to download 2 GB)
 SPARQL endpoint:
http://data.linkedevents.org/sparql
 Based on Sesame2
 RESTful API
 Serialization in N3 and JSON
 Around 20 millions triples (… and counting)
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 21

22. How much data is there?
Event Agent Location Photos User
Last.fm 57,258 50,150 16,471 1,425,318 18,542
Upcoming 13,114 0 7,330 347,959 4,518
Eventful 37,647 6,543 14,576 0 0
Total 108,019 56,693 38,377 1,773,277 23,060
Event Title Venue City Date Photos Video
Primavera Sound 2010 Parc del Forum Barcelona 2010-05-28/30 2458 1730
Coachella Valley Music Empire Polo Indio 2008-04-25/27 2311 434
and Arts Festival Grounds
Lollapalooza Festival Grant Park Chicago 2009-08-07/09 2220 1100
SXSW Music 2008 Convention Center Austin 2008-03-12/16 2153 1890
Sziget Festival Obudai-Sziget Budapest 2008-08-12/18 2072 4620
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 22

23. User Interface
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 23

24. User Interface
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 24

25. http://www.slideshare.net/troncy
02/09/2010 - Linking Events with Media -Triplification Challenge, I-SEMANTICS 2010, Graz, Austria - 25