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Experiencing Events through *User-Generated Media

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Information about Experiencing Events through *User-Generated Media
Technology

Published on January 16, 2011

Author: troncy

Source: slideshare.net

Description

Experiencing Events through User-Generated Media. Talk given at the 1st International Workshop on Consuming Linked Data (COLD), November 2010, Shanghai , China
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Experiencing Events through User-Generated MediaRaphaël Troncy <raphael.troncy@eurecom.fr>André Fialho <andre.fialho@cwi.nl>Lynda Hardman <lynda.hardman@cwi.nl>Carsten Saathoff <saathoff@uni-koblenz.de>

What are Events? Events are observable occurrences grouping People Places Time Experiences documented by Media 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -2

http://www.flickr.com/photos/crsan/3697785107

Goals1. Discover PAST, PRESENT and FUTURE events2. Live, relive and predict experiences through shared media3. Identify meaningful and/or interesting relationships between events/media/people 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -4

Searching for an event 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -5

Searching for an event 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -6

There’s a lot of information out there… 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -7

http://www.flickr.com/photos/mwparenteau/432039783

Organize the mess Event Media Identify behavioral patterns (requirements) Make an abstraction Link the information Design the application Interface Let it “evolve” Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/ 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China -9

1st Collect some opinions… 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 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 10

2nd Look into “real” behaviors… Scenario based study (2 sessions, n=15) Opinions Scenarios Reenact 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 11

Behavioral Patterns Discovery  Invitations and recommendations  Rely on traditional media  Social networks (facebook - students)  Previously attended events or venues Decision Making  Who’s Joining?  Where, When, How Much? (constraints)  What? (e.g. type, performer, topic)  Subjective factors (fun, atmosphere) 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 12

Behavioral Patterns Registering and Sharing  Communicating their experience  Pictures and short videos (for sharing)  Media directories and social networks Meaningful Relationships  Similar categories, attributes and content  User attendance (similar interests, behaviors)  Repeated events (e.g. annual festivals) 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 13

08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China 14

Behavioral PatternsEVENT EVENT EVENT 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 15

Existing Services Single source with overview (?) Allows opportunistic/serendipitous discovery Limited exploration/browsing features Information overload (cluttered, difficult) Information incompleteness (coverage, decision) 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 16

Ontology: Making an abstraction What? Where? When? Who?08/11/2010 - http://www.flickr.com/photos/benheine/4732941129 Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 17

08/11/2010 -16/09/2009 Event-based Annotation and Exploration of Media - PetaMedia2010, Shanghai, China Experiencing Events through User-Generated Media - COLD SYTIM, Lausanne (CH) - 18

Representing Events with LODE 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 19

Some mappings in LODE ABC CIDOC DUL EO LODEatTime P4.has_time_span isObservableAt time atTime P7.took_place_at place inSpaceinPlace hasLocation atPlaceinvolves P12.occurred_in_the_ hasParticipant factor involved presence_ofhasPresence P11.had_participant involvesAgent agent involvedAgent 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 20

Representing Media with Media Ontology 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 21

08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 22

Extracting and linking data 1.7 million images over Machine tags APIs 108.000 events “lastfm:events” Random sampling filtered by the tag “music + 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 23

Reasoning & Annotation Time, Location and Attendance 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 24

Collaborative Filtering Disambiguate and propagate information about attendance Identify Interests and provide Recommendations 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 25

How much data is there? Event Agent Location Photos UserLast.fm 57,258 50,150 16,471 1,425,318 18,542Upcoming 13,114 0 7,330 347,959 4,518Eventful 37,647 6,543 14,576 0 0Total 108,019 56,693 38,377 1,773,277 23,060 Event Title Venue City Date Photos VideoPrimavera Sound 2010 Parc del Forum Barcelona 2010-05-28/30 2458 1730Coachella Valley Music Empire Polo Indio 2008-04-25/27 2311 434and Arts Festival GroundsLollapalooza Festival Grant Park Chicago 2009-08-07/09 2220 1100SXSW Music 2008 Convention Center Austin 2008-03-12/16 2153 1890Sziget Festival Obudai-Sziget Budapest 2008-08-12/18 2072 4620 1,248,021 geo-tagged photos by propagating information from events! 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 26

Linking the Data 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 27

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 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 28

The Back-end RDF Repository on a web server with:  Sesame2 SPARQL endpoint with a distributed query engine.  A RESTful API that provides different methods and JSON representations of resources available in the dataset. RDF JSON 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 29

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) 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 30

Translating the Ontology 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 31

Interface elements Facets Search Timeline Events Media Attendance ME Content and Background Location (Map) Actions Sorting08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 32

Interfaces Perspectives What: Event/Media Centric Who: Social Network Visualization When: Time centric Where: Location Centric 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 33

http://www.flickr.com/photos/cocoarmani/1315402174

User Interface 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 35

User Interface 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 36

Conclusions Event-based approach for users to explore, annotate and share media User studies in order to:  Find out which data are useful for which task  Understand typical behavioral pattern UX can help semantics, semantics can help UX Outstanding challenges in:  Interlinking and curating the data  Scalability (efficient caching) 08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 37

http://www.slideshare.net/troncy08/11/2010 - Experiencing Events through User-Generated Media - COLD 2010, Shanghai, China - 38

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